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Journal articles on the topic 'Nutrient harvest indices'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Silva, Frederico Dellano Souza, Natalia Oliveira Silva, Thaísa Fernanda Oliveira, Marcelo Rodrigues dos Reis, and Leonardo Angelo de Aquino. "Foliar indices for carrot crop using the compositional nutrient diagnosis method1." Pesquisa Agropecuária Tropical 47, no. 4 (2017): 399–407. http://dx.doi.org/10.1590/1983-40632017v4747584.

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ABSTRACT Carrot has a high yield potential, which requires an adequate and adaptable nutritional management, according to the needs and demands of each crop. Foliar diagnosis is a tool for adjustment and constant improvement of crop fertilization programs. This study aimed to determine leaf indices and reference values using the compositional nutrient diagnosis (CND) method, at three phenological stages of carrot crops [40 and 70 days after sowing (DAS) and at harvest]. In order to calculate the CND method, a database was created with leaf contents of the nutrients N, P, K, Ca, Mg, S, B, Cu, M

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2

DUARTE, LUIZ OTÁVIO, JUNIA MARIA CLEMENTE, ILÍDIO AUGUSTO BORGES CAIXETA, MARCELO DE PAULA SENOSKI, and LEONARDO ANGELO DE AQUINO. "DRY MATTER AND NUTRIENT ACCUMULATION CURVE IN CABBAGE CROP." Revista Caatinga 32, no. 3 (2019): 679–89. http://dx.doi.org/10.1590/1983-21252019v32n312rc.

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Abstract Cabbage cultivars currently cultivated present high yield potential and may present differences regarding absorption and use of nutrients. Thus, studies quantifying plant growth and nutrient accumulation are the basis to improve fertilization efficiency and optimize yield. This study aimed to determine the dry matter and nutrient (N, P, K, Ca, Mg, S, Cu, Fe, Mn, and Zn) accumulation curve of cabbage cultivars during two growing seasons. Cultivars Astrus Plus and Green Valley were cultivated during summer-autumn crop season, while Astrus Plus and Fênix during the autumn-winter crop sea

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Rowland, D. L., R. B. Sorensen, C. L. Butts, W. H. Faircloth, and D. G. Sullivan. "Canopy Characteristics and their Ability to Predict Peanut Maturity." Peanut Science 35, no. 1 (2008): 43–54. http://dx.doi.org/10.3146/ps06-052.1.

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Abstract To ensure maximum economic return, a peanut producer must accurately predict harvest time, delaying as long as possible to reach optimal crop maturity without risking losses through mechanical damage due to deteriorating peg attachments. Currently utilized methods for predicting peanut maturity are based on hull color determination and are labor-intensive and subject to the observer's ability to finely discriminate color classes. This study sought to test and evaluate canopy traits that may be correlated with crop maturity. Specifically, the objective of this study was to determine if

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4

M., P. Neupane, P. Singh S., Sai Sravan U., and Singh Abhishek. "Effect of Soil and Foliar Nitrogen Application on Growth, Yield and Quality of Baby Corn Cultivars." Journal of Experimental Agriculture International 16, no. 3 (2017): 1–11. https://doi.org/10.9734/JEAI/2017/32574.

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An imperative nitrogen management schedule attempted for the first time using soil application fb (followed by) foliar application at harvest stage to improve productivity and quality of baby corn. A two year study carried out in winter season with three cultivars and six schedules of recommended dose of nitrogen (RDN) application. Nitrogen scheduling in two, three and four splits compared on composite and hybrid cultivars. Crop growth, productivity traits, picking wise cob and corn yields, quality, plant nutrient ratios and nutrient harvest indices were determined. Cultivars followed the orde

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Schreiner, R. Paul, and Jungmin Lee. "Effects of Post-véraison Water Deficit on ‘Pinot noir’ Yield and Nutrient Status in Leaves, Clusters, and Musts." HortScience 49, no. 10 (2014): 1335–40. http://dx.doi.org/10.21273/hortsci.49.10.1335.

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‘Pinot noir’ grapevines were grown in a pot-in-pot system using a red-hill-soil where volumetric soil water content (θv) was carefully controlled. Four-year-old vines were supplied with one of two irrigation regimes (wet or dry) between véraison and fruit maturity and the experiment was repeated over 2 years. From véraison to harvest, vines in the wet treatment received irrigation whenever θv approached ≈15% maintaining leaf water potential (Ψleaf) above –1.0 MPa. Vines in the dry treatment received irrigation when θv approached 11% to 12% and experienced significant water stress (Ψleaf ≈–1.4

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6

Rezende, Jefrejan S., Fernando J. Freire, Suellen R. V. da Silva, et al. "Nutritional diagnosis of mango plants post-harvest in anticipation of pre-flowering avoids nutritional stress." Revista Brasileira de Engenharia Agrícola e Ambiental 27, no. 5 (2023): 359–66. http://dx.doi.org/10.1590/1807-1929/agriambi.v27n5p359-366.

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ABSTRACT The São Francisco Valley region of Brazil is a leading exporter of mango fruits. Previous nutritional diagnosis can identify stresses, provide adjustments for nutritional limitations, and promote more efficient fertilization and nutrient management. This study aimed to compare the nutritional diagnosis of mango trees in the post-harvest and pre-flowering phases and to correlate them with productivity. Norms and indices of the Integrated System of Diagnosis and Recommendation (DRIS), as well as the Nutritional Balance Index and the Potential of Response to Fertilization were generated

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Vinay, G., K. P. Vani, B. Padmaja, G. Jayasree, and S. Triveni. "Growth Indices of Bt and Non Bt High Density Planted Cotton as Influenced by Integrated Nutrient Management Practices." International Journal of Environment and Climate Change 13, no. 9 (2023): 101–11. http://dx.doi.org/10.9734/ijecc/2023/v13i92210.

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A field experiment was conducted at College Farm, Agricultural College, Rajendranagar, Hyderabad, during kharif 2019-20 and 2020-21 to study the effect of genotypes and integrated nutrient management practices on growth of HDPS cotton. Experiment was laid out in Split plot design, with two genotypes as main plots (M) and nine Integrated Nutrient Management practices as sub-plots (S). Among genotypes, Leaf Area Index (LAI), Absolute Growth Rate (AGR), Relative Growth Rate (RGR), Net Assimilation Rate (NAR) were recorded with Bt (KCH-14 K59 BG II) compared to Non-Bt (ADB-542) during kharif 2019-

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8

Naveen, Parangi, K. Akhil, Y. Siva Lakshmi, and M. S. Reddy. "Effect of Tillage, Crop Residue Management and Nutrient Levels on Energetics, Microbial Growth, Dehydrogenase Activity, Weed Parameters, Quality Parameters and Soil Physico-Chemical Properties of Maize (Zea mays L.)." International Journal of Environment and Climate Change 13, no. 12 (2023): 114–26. http://dx.doi.org/10.9734/ijecc/2023/v13i123666.

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The field experiment on “Effect of tillage, crop residue management and nutrient levels on energetics, microbial growth, dehydrogenase activity, weed parameters, quality parameters and soil physico-chemical properties of maize (Zea mays L.)” was conducted during rabi season of 2022-23 at Maize Research Centre, Professor Jayashankar Telangana State Agriculture University, Agricultural Research Institute, Rajendranagar, Hyderabad, Telangana. The experiment comprised of 12 treatment combinations laid out in a split–plot design with three replications. The main–plot treatments included four differ

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9

Folk, R. S., V. R. Timmer, and J. B. Scarratt. "Evaluating peat as a growing medium for jack pine seedlings. 1. Conventional quality indices." Canadian Journal of Forest Research 22, no. 7 (1992): 945–49. http://dx.doi.org/10.1139/x92-126.

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Jack pine (Pinusbanksiana Lamb.) seedlings were grown in paperpots filled with 26 different horticultural peat moss substrates to evaluate conventional laboratory indices for characterizing container growing media. Seedling growth performance varied on the different substrates; dry weight differed 52% and height at harvest differed 37% between the best and poorest yielding peat. Precultural physical and chemical properties of the growing media varied widely, but correlated weakly with growth and nutrient composition of the seedlings, suggesting that conventional laboratory indices were not sen

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Barboza, Lucas Yuri da Silva, Lucas Henrique Ferreira Santos, Rafael Vaz De Assis, Maisa Fernanda Villas Boas Rafael, Ana Carolina Miranda Lopes, and Rodrigo Medeiros Da Silva. "Integration agriculture-livestock and production “Bull Harvest”." OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA 22, no. 2 (2024): e3194. http://dx.doi.org/10.55905/oelv22n2-079.

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Within agribusiness there has been a lot of debate on the topic of intensification and sustainability within agricultural practices, the current scenario of pasture livestock is seen as challenging due to the low quality of pastures and consequently low quality indices, on the other hand agricultural practices have increasingly evolved in productivity, but with criticism of environmental care. With this in mind, integration practices have a positive result that adds greater production with pasture recovery in addition to physical-chemical and microbiological improvements related to agricultura

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Volk, Gayle M., and Cary A. Mitchell. "YIELD CHARACTERISTICS OF A RICE CULTIVAR GROWN IN HYDROPONICS USING OPTIMIZED NUTRITIONAL REGIMES." HortScience 28, no. 5 (1993): 531c—531. http://dx.doi.org/10.21273/hortsci.28.5.531c.

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High yields and harvest indices in greenhouse studies indicated that japonica rice cultivar Ai-nan-tsao should be considered for inclusion in NASA's Controlled Ecological Life-Support Systems program. Ai-nantsao achieved a yield rate of 12.87 g m-2 d-1 when grown in continuously recirculating hydroponic systems under 12-h photoperiods in a growth chamber. Hydroponic systems have been improved such that contained plants have enhanced root development and a decreased edge effect. The total harvest index was 27% while shoot harvest index was 29%. A planting density of 775 plants m-2 resulted in a

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12

R.A. JAT and I.P.S. AHLAWAT. "Effect of organic manure and sulphur fertilization in pigeonpea (Cajanus cajan) + groundnut (Arachis hypogaea) intercropping system." Indian Journal of Agronomy 55, no. 4 (2001): 276–81. http://dx.doi.org/10.59797/ija.v55i4.4763.

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There is large number of sulphur(S) sources available in the country and their efficiency need to be evaluated. In view of the meager information available on sulphur nutrition in a popular intercropping system of pigeonpea + groundnut. A field experiment was conducted during kharif 2003 and 2004 to evaluate the response of pigeonpea [ Cajanus cajan (L.) Millsp.] + groundnut ( Arachis hypogaea L.) intercropping system to FYM and S fertilization. Ap- plication of FYM at 5.0 t/ha significantly increased the yield and yield attributes, nutrient (NPK) uptake in pigeonpea and groundnut, system prod

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13

BINOY CHHETRI and A.C. SINHA. "Advantage of maize (Zea mays)-based intercropping system to different nutrient- management practices." Indian Journal of Agronomy 65, no. 1 (2001): 25–32. http://dx.doi.org/10.59797/ija.v65i1.2964.

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A field experiment was conducted during (pre-kharif) (FebruaryMay) seasons of 2014 and 2015 at the Instruc- tional Farm, Pundibari, Cooch Behar, West Bengal, to evaluate the effect of maize (Zea mays L.) intercropped with cowpea [Vigna unguiculata L.) and nutrient-management practices on yield attributes, yield, nutrient uptake and competition indices. Among the cropping system, sole crop resulted in the highest yield attributes, grain yield (3,913 kg/ha), stover yield (6,565 kg/ha), harvest index (37.21%), uptake of nitrogen (101.36 kg/ha), phosphorus (19.80 kg/ha) and potassium (110.90 kg/ha

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14

Mackowiak, C. L., R. M. Wheeler, G. W. Stutte, and N. C. Yorio. "Peanut Production using Recirculating Nutrient Film Technique (NFT)." HortScience 30, no. 4 (1995): 810E—810. http://dx.doi.org/10.21273/hortsci.30.4.810e.

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As part of NASA's effort with bioregenerative life support systems, the growth of candidate crops is being investigated in controlled environments. Peanut (Arachis hypogaea L.) was selected for the high oil and protein content of its seed. Peanut cvs. Pronto and Early Bunch were grown from seed, using recirculating nutrient film technique (NFT) in 6-cm-deep, trapazoidal culture trays. The trays were fitted with slotted covers, which allowed developing pegs to reach the root zone. Use of a separate moss-filled pegging compartment above the root zone (tray within a tray) had little effect on see

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15

Mackowiak, C. L., R. M. Wheeler, G. W. Stutte, and N. C. Yorio. "Peanut Production using Recirculating Nutrient Film Technique (NFT)." HortScience 30, no. 4 (1995): 810E—810. http://dx.doi.org/10.21273/hortsci.30.4.810.

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As part of NASA's effort with bioregenerative life support systems, the growth of candidate crops is being investigated in controlled environments. Peanut (Arachis hypogaea L.) was selected for the high oil and protein content of its seed. Peanut cvs. Pronto and Early Bunch were grown from seed, using recirculating nutrient film technique (NFT) in 6-cm-deep, trapazoidal culture trays. The trays were fitted with slotted covers, which allowed developing pegs to reach the root zone. Use of a separate moss-filled pegging compartment above the root zone (tray within a tray) had little effect on see

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16

de Souza, Romina, M. Teresa Peña-Fleitas, Rodney B. Thompson, Marisa Gallardo, and Francisco M. Padilla. "Assessing Performance of Vegetation Indices to Estimate Nitrogen Nutrition Index in Pepper." Remote Sensing 12, no. 5 (2020): 763. http://dx.doi.org/10.3390/rs12050763.

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Vegetation indices (VIs) can be useful tools to evaluate crop nitrogen (N) status. To be effective, VIs measurements must be related to crop N status. The nitrogen nutrition index (NNI) is a widely accepted parameter of crop N status. The present work evaluates the performance of several VIs to estimate NNI in sweet pepper (Capsicum annuum). The performance of VIs to estimate NNI was evaluated using parameters of linear regression analysis conducted for calibration and validation. Three different sweet pepper crops were grown with combined irrigation and fertigation, in Almería, Spain. In each

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17

Van, Laura L. "Evaluation of different nitrogen use efficiency indices using field-grown green bell peppers (Capsicum annuum L.)." Canadian Journal of Plant Science 87, no. 3 (2007): 565–69. http://dx.doi.org/10.4141/p06-116.

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The effects of increasing nitrogen (N) fertilization on N use efficiency (NUE) and yield of green bell pepper were assessed in five field experiments over 2004 and 2005. These data were used to evaluate and contrast conclusions drawn from among 12 different NUE indices. In two diferent years (i.e., cool/wet vs. warm/dry), marketable yield response to N application was either positive or no response was observed. Total percent N in the fruit and shoot was lower in non-fertilized plants compared with plants grown in plots that received 70 or 210 kg N ha-1. There were considerable differences amo

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18

KIRTTIRANJAN BARAL, DINESH KUMAR, and YASHBIR SINGH SHIVAY. "Effects of ZnO nano-particles embedded nitrogen, phosphorus and potassium fertilizer on productivity, physical grain quality and nutrient harvest indices of aromatic rice (Oryza sativa)." Indian Journal of Agronomy 64, no. 4 (2001): 520–23. http://dx.doi.org/10.59797/ija.v64i4.5303.

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A field experiment on aromatic rice (Oryza sativa L.) was conducted during kharif 2018 at the research farm of ICARIndian Agricultural Research Institute, New Delhi, to know the effect of ZnO nano-particles [Nps; 38 nano- meter (nm) mean particle size] embedded NPK fertilizer on grain yield, protein content and protein yield, physical grain quality, nitrogen harvest index (NHI), phosphorus harvest index (PHI) and potassium harvest index (KHI). The experiment consisting of 10 treatments, viz. control (0 : 0 : 0 N : P O : K O kg/ha), 7.5 g ZnO Nps/ha alone, 2 5 2 100% nitrogen, phosphorus and po

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Nava, Gilberto, Carlos Reisser Júnior, Léon-Étienne Parent, et al. "Esmeralda Peach (Prunus persica) Fruit Yield and Quality Response to Nitrogen Fertilization." Plants 11, no. 3 (2022): 352. http://dx.doi.org/10.3390/plants11030352.

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‘Esmeralda’ is an orange fleshed peach cultivar primarily used for juice extraction and secondarily used for the fresh fruit market. Fruit yield and quality depend on several local environmental and managerial factors, mainly on nitrogen, which must be balanced with other nutrients. Similar to other perennial crops, peach trees show carryover effects of carbohydrates and nutrients and of nutrients stored in their tissues. The aims of the present study are (i) to identify the major sources of seasonal variability in fruit yield and qu Fruit Tree Department of Federal University of Pelotas (UFPE

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20

Neugschwandtner, Reinhard W., and Hans-Peter Kaul. "Concentrations and uptake of micronutrients by oat and pea in intercrops in response to N fertilization and sowing ratio." Die Bodenkultur: Journal of Land Management, Food and Environment 71, no. 1 (2016): 1–15. http://dx.doi.org/10.1515/boku-2016-0001.

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SummaryIntercropping is of increasing interest in temperate regions. This study assessed the influence of nitrogen (N) fertilization and sowing ratio on concentrations and uptake of micronutrients copper (Cu), iron (Fe), manganese (Mn), and zinc (Zn) in grain and residue of oat and pea in three substitutive intercrops on a fertile soil in eastern Austria. N increased grain concentrations of Cu and Zn in oat and pea but decreased the nutrient harvest indices especially for pea. Intercropping did not affect grain concentrations of oat but those of pea were increased in one year in intercrops wit

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21

Singh, T., Y. S: Shivay, and S. Singh. "Effect of date of transplanting and nitrogen on productivity and nitrogen use indices in hybrid and non-hybrid aromatic rice." Acta Agronomica Hungarica 52, no. 3 (2004): 245–52. http://dx.doi.org/10.1556/aagr.52.2004.3.5.

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A field experiment was carried out during the rainy (kharif) season of 2001 at the experimental farm of the Indian Agricultural Research Institute, New Delhi, India, to study the effect of date of transplanting and nitrogen on yield attributes, yields, nutrient accumulation and nitrogen use efficiencies in hybrid and non-hybrid aromatic rice. The experiment consisted of 9 treatments with 2 varieties (Pusa Basmati 1 and Pusa Rice Hybrid 10), 3 transplanting dates (3, 10 and 17 July, 2001) and 4 nitrogen levels (0, 60, 120 and 180 kg N ha-1). Pusa Rice Hybrid 10 had significantly higher values o

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Peryesa, Frank J., and Stephen R. Drake. "EFFECT OF MID-SUMMER FOLIAR BORON SPRAYS ON QUALITY OF `DELICIOUS' APPLE FRUIT." HortScience 25, no. 9 (1990): 1147e—1147. http://dx.doi.org/10.21273/hortsci.25.9.1147e.

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Fruit growers and shippers have suggested that excessive rates of boron (B) in foliar nutrient sprays may reduce quality of stored apples. Foliar B sprays were applied by handgun in mid-July to bearing apple trees (Malus domestica Borkh. cv. Starking) at rates of 0, 11.3,22.6 g B/tree. Fruits of uniform size (220 g) were analyzed for B content at harvest and for quality indices at harvest, after 10 days ripening postharvest, after 3 months refrigerated air storage, and after 8 days ripening poststorage. Whole fruit B concentration was directly proportional to B application rate. At all samplin

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23

Chornolata, L. P., S. M. Lykhach, N. I. Pyryn, L. H. Pohorila, and N. A. Berezhniuk. "Characteristics of alfalfa green mass of different harvests mowed in the budding phase." Feeds and Feed Production, no. 87 (June 7, 2019): 114–20. http://dx.doi.org/10.31073/kormovyrobnytstvo201987-17.

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Purpose. To investigate and analyze the content of the essential nutrients, different carbohydrate fractions and nutritional value of green mass and prepared alfalfa hay of different harvests Methods. There were used Keldal’s method to determine crude protein content, Henneberg and Stoman’s method to determine crude gluten content, extraction method to determine crude fat content, the method of dry ashing to determine crude ash content, to investigate the content of the essential nutrients and nutritional value of alfalfa green mass of different harvests and the hay produced from it. The

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Wang, Yudan, Xiaoyun Zhang, Houcheng Liu, Guangwen Sun, Shiwei Song, and Riyuan Chen. "High NH4+/NO3− Ratio Inhibits the Growth and Nitrogen Uptake of Chinese Kale at the Late Growth Stage by Ammonia Toxicity." Horticulturae 8, no. 1 (2021): 8. http://dx.doi.org/10.3390/horticulturae8010008.

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The aim of this study was to determine the effects of various NH4+/NO3− ratios in a nutrient solution on the growth and nitrogen uptake of Chinese kale under hydroponic conditions. The four NH4+/NO3− ratios in the nutrient solution were CK (0/100), T1 (10/90), T2 (25/75), and T3 (50/50). An appropriate NH4+/NO3− ratio (10/90, 25/75) promoted the growth of Chinese kale. T2 produced the highest fresh and dry weight among treatments, and all indices of seedling root growth were the highest under T2. A high NH4+/NO3− ratio (50/50) promoted the growth of Chinese kale seedlings at the early stage bu

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Zhang, Jianfeng, Yuxin Yan, Dongxue Jiang, et al. "The Microbial Functional Communities of Mollisol and Saline–Sodic Paddy Soils at Rice Heading and Harvest Stages in Northeast China." Agriculture 15, no. 12 (2025): 1261. https://doi.org/10.3390/agriculture15121261.

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Rice is a primary food source for nearly half of the global population. In Northeast China, paddy soils are mainly classified into two distinct types: fertile mollisol and nutrient-deficient saline–sodic soil. Soil microbial communities play a critical role in maintaining the stability of rice agroecosystems; however, comparative studies on microbial diversity and functional systems across these soil types remain limited. This study aimed to systematically investigate the bacterial diversity, community structure, and functional characteristics of mollisol and saline–sodic paddy soils during th

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R.S. NAROLIA, HARPHOOL MEENA, PRATAP SINGH, B.S. MEENA, and BALDEV RAM. "Effect of irrigation scheduling and nutrient management on productivity, profitability and nutrient uptake of wheat (Triticum aestivum) grown under zero-tilled condition in south-eastern Rajasthan." Indian Journal of Agronomy 61, no. 1 (2001): 53–58. http://dx.doi.org/10.59797/ija.v61i1.4345.

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A field experiment was conducted at Agricultural Research Station, Kota, Rajasthan, during the winter (rabi) seasons of 201112, 201213 and 201314, to evaluate effect of irrigation scheduling and nutrient management practices on productivity, profitability and nutrient uptake of wheat [Triticum aestivum (L.) emend. Fiori & Paol.] grown under zero-tillage condition in south eastern Rajasthan. Treatments comparised irrigation schedules in main plots, viz. irrigation water: cumulative pan evaporation (IW: CPE) 0.8 and IW: CPE 1.0, and nutrient-manage- ment practices in sub plots, viz. 100% rec

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Subramani, Deepak, Manonmani Kumaraguruparaswami, Shivaswamy MS, Sharmila Tamilselvan, and Maheswari Murugesan. "Processing, characteristics and applications of expanded grains." Annals of the University Dunarea de Jos of Galati. Fascicle VI - Food Technology 47, no. 1 (2023): 195–218. http://dx.doi.org/10.35219/foodtechnology.2023.1.13.

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The popping and puffing are adiabatic expansion process in which the grains are exposed to high temperature for short time. The heat increases vapour pressure inside the grain leading to rupture of outer shell with expansion of starchy endosperm to several folds creating a crispy and aerated puffed snack. Conventional puffing methods use hot air, oil and sand as medium of puffing, whereas non-conventional puffing methods make use of microwave, fluidized air and pressure differential in system. Although it is commonly believed that processing conditions solely influence the quality of expanded

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RAKESH KUMAR, J.S. BOHRA, AMITESH KUMAR SINGH, and NARENDRA KUMAWAT. "Productivity, profitability and nutrient-use efficiency of baby corn (Zea mays) as influenced of varying fertility levels." Indian Journal of Agronomy 60, no. 2 (2001): 285–90. http://dx.doi.org/10.59797/ija.v60i2.4451.

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A field experiment was conducted at Varanasi during the 2 consecutive pre-kharif (rainy) season of 2012 and 2013, to work out the optimum levels of NPKS and Zn application for maximizing the yield, monetary returns and nutrient-use efficiency of baby corn (Zea mays L.). Baby cob, baby corn and green fodder yields, economics and nutrient uptake (N, P, K, S and Zn) were significantly higher with application of 125% recommended dose of fertil- izer (RDF). Further, application of 50 kg S/ha resulted in significant increase of baby cob, baby corn, green fodder yields, net profit and nutrient uptake

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H.M. BHUVA. "Productivity, nutrient uptake, soil fertility and moisture extraction pattern of summer clusterbean (Cyamopsis tetragonoloba) as influenced by irrigation and fertility levels." Indian Journal of Agronomy 64, no. 3 (2001): 386–92. http://dx.doi.org/10.59797/ija.v64i3.5288.

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A field experiment was conducted during the summer seasons of 2013 and 2014 at Krishi Vigyan Kendra Farm of Junagadh Agricultural University on sandy loam soils to assess the impact of irrigation and fertility levels on growth indices, productivity, nutrient uptake, post-harvest soil nutrient status and moisture extraction pattern of clusterbean [Cyamopsis tetragonoloba (L.) Taub.]. Sixteen treatment combinations of 4 irrigation levels (0.4, 0.6, 0.8 and 1.0 IW: CPE ratio) and 4 fertility levels (00 : 00, 10 : 20, 20 : 40 and 30 : 60 kg N : P O /ha) were tested 2 5 using split-plot design with

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Panek, Ewa, Dariusz Gozdowski, Michał Stępień, Stanisław Samborski, Dominik Ruciński, and Bartosz Buszke. "Within-Field Relationships between Satellite-Derived Vegetation Indices, Grain Yield and Spike Number of Winter Wheat and Triticale." Agronomy 10, no. 11 (2020): 1842. http://dx.doi.org/10.3390/agronomy10111842.

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The aims of this study were to: (i) evaluate the relationships between vegetation indices (VIs) derived from Sentinel-2 imagery and grain yield (GY) and the number of spikes per square meter (SN) of winter wheat and triticale; (ii) determine the dates and plant growth stages when the above relationships were the strongest at individual field scale, thus allowing for accurate yield prediction. Observations of GY and SN were performed at harvest on six fields (three locations in two seasons: 2017 and 2018) in three regions of Poland, i.e., northeastern (A—Brożówka), central (B—Zdziechów) and sou

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Verma, Shikhar, D. D. Yadav, V. K. Verma, et al. "Evaluation of Nano-Zn, Inorganic, and Organic Nutrient Management Strategies and Their Effects on Growth Indices in Kharif Maize (Zea mays L.)." Archives of Current Research International 24, no. 9 (2024): 347–55. http://dx.doi.org/10.9734/acri/2024/v24i9899.

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The investigation was carried out during the Kharif seasons of 2022 and 2023 at the Students' Instructional Farm, Department of Agronomy, Chandra Shekhar Azad University of Agriculture & Technology, Kanpur. To assess the impact of various nutrient management strategies, including Nano-Zn, inorganic, and organic methods, on the growth and yield of Kharif maize. A Split-Plot Experimental design was employed, incorporating three replications. Organic manures-specifically a control, farmyard manure (FYM) applied at 10 t/ha, and vermicompost applied at 5 t/ha-were assigned to the main plots. Me

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Ghafoor, Iqra, Muhammad Habib-ur-Rahman, Muqarrab Ali, et al. "Slow-release nitrogen fertilizers enhance growth, yield, NUE in wheat crop and reduce nitrogen losses under an arid environment." Environmental Science and Pollution Research 28, no. 32 (2021): 43528–43. http://dx.doi.org/10.1007/s11356-021-13700-4.

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AbstractHigher demands of food led to higher nitrogen application to promote cropping intensification and produce more which may have negative effects on the environment and lead to pollution. While sustainable wheat production is under threat due to low soil fertility and organic matter due to nutrient degradation at high temperatures in the region. The current research explores the effects of different types of coated urea fertilizers and their rates on wheat crop under arid climatic conditions of Pakistan. Enhancing nitrogen use efficiency by using eco-friendly coated urea products could be

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Amutham, G. Tamil, R. Karthikeyan, N. Thavaprakaash, and C. Bharathi. "Agronomic biofortification with zinc on yield, nutritional quality, nutrient uptake and economics of babycorn." Journal of Applied and Natural Science 13, SI (2021): 80–85. http://dx.doi.org/10.31018/jans.v13isi.2804.

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The aim of the present study was to investigate the effect of agronomic biofortification with zinc on yield, nutritional quality, nutrient uptake and economics of babycorn under irrigated condition. The observations on yield viz., green cob yield, babycorn yield and green fodder yield and quality parameters (crude protein, total soluble sugars, starch and Zn content) were recorded at harvest stage. The nutrient uptake was analysed at different growth stages and economic indices viz., the total cost of cultivation, gross return, net return and benefit cost ratio were worked out for various zinc

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Udapudi, Praveen, Pushpa K., Sukanya T. S., and Krishnamurthy R. "Alterations in the Nutrient Status of Soil and Enzymatic Activity of Finger Millet Cultivated Soil Accompanying to Nano Urea Application." Environment and Ecology 42, no. 2A (2024): 716–25. http://dx.doi.org/10.60151/envec/vgqa5833.

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An experiment was conducted at the Zonal Agricultural Research Station, Gandhi Krishi Vigyan Kendra, University of Agricultural Sciences, Bangalore, with the aim of assessing the impact of nano nitrogen on growth, yield, nutrient uptake, nitrogen use efficiency and enzymatic activity in finger millet cultivation. Among different treatments, application of 75% RDN + seed treatment with nano urea + foliar spray of nano urea at 30 and 50 DAS showed significant improvements in various growth and yield parameters of finger millet. At 90 DAS, it resulted in a remarkable increase in the number of lea

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I.B. PANDEY, R.K. PANDEY, and RAKESH KUMAR. "Integrated nutrient management for enhancing productivity and profitability of long-duration pigeonpea (Cajanus cajan) under rainfed condition." Indian Journal of Agronomy 60, no. 3 (2001): 436–42. http://dx.doi.org/10.59797/ija.v60i3.4476.

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A field experiment was carried out during rainy (kharif) season for 4 consecutive years 2008 to 2012 at Dholi, Bihar to assess the effect of integrated nutrient management on productivity and profitability of pigeonpea [Cajanus cajan (L.) Millsp.] under rainfed condition. Plant height, yield indices, viz. branches/plant, pods/plant, 100-seed weight, leaf area index, fruiting efficiency (15.6%), grain (2.01 tonnes/ha.) and stalk yields, harvest in- dex, protein content, water-use-efficiency (2.9 kg grain/ha/mm), production efficiency (8.3 kg/ha/day), NPK uptake, net returns (67.55 103 /ha) and

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Rahim Doust, Jalil, Mohammad Javad Nazarideljou, Mousa Arshad, and Antonio Ferrante. "Comparison of the Growth, Physio-Biochemical Characteristics, and Quality Indices in Soilless-Grown Strawberries under Greenhouse and Open-Field Conditions." Horticulturae 9, no. 7 (2023): 774. http://dx.doi.org/10.3390/horticulturae9070774.

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Soilless cultivation represents a promising method for the future of the horticulture industry as it offers advantages such as improved quality control over the growth environment and mitigation of uncertainties related to soil, water, and nutrient availability. In this study, we aimed to investigate the effects of different environments, specifically greenhouse (GH) and open-field (OF), on the growth, phenotypic characteristics, physio-biochemical properties, qualitative parameters, and antioxidant capacity of strawberries cultivated using a soilless system. The aforementioned parameters were

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Láposi, Réka, Szilárd Zsolt Tóth, Ildikó Bélteki, Éva Lehoczky, and Rita Tury. "The Effect of Plant Conditioners on Some Physiological Parameters of Maize in a Drought Year." Journal of Central European Green Innovation 12, no. 1-2 (2024): 3–15. https://doi.org/10.33038/jcegi.6365.

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At Kompolt, since 2015 we have been testing environmentally friendly nutrient supply methods for arable crops. The utilisation of the nutrients depends on the amount and distribution of rainfall during the growing season. In 2022, there was an extreme drought in Hungary, with rainfall from May to September 60-80% below the 40-year average, which resulted in failures of maize yield in many parts of the country. In the given year, we set up experiments with 3 different plant conditioners (1. amino acids, 2. P+Zn+K+Mo, 3. ion Zn) on maize cultivars and measured some photosynthetic parameters with

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Jaradat, Abdullah. "Statistical Modeling of Phenotypic Plasticity under Abiotic Stress in Triticum durum L. and Triticum aestivum L. Genotypes." Agronomy 8, no. 8 (2018): 139. http://dx.doi.org/10.3390/agronomy8080139.

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Future challenges to the role of durum and bread wheat in global food security will be shaped by their potential to produce larger yields and better nutritional quality, while increasingly adapting to multiple biotic and abiotic stresses in the view of global climate change. There is a dearth of information on comparative assessment of phenotypic plasticity in both wheat species under long-term multiple abiotic stresses. Phenotypic plasticities of two durum and bread wheat genotypes were assessed under increasing abiotic and edaphic stresses for six years. Combinations of normal and reduced le

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Albano*, Joseph P., P. Chris Wilson, and Sandra B. Wilson. "Effect of Neutralizing Irrigation Water Alkalinity with Acid on Nutritional Status and Growth of Thryallis (Galphimia glauca Cav.)." HortScience 39, no. 4 (2004): 777C—777. http://dx.doi.org/10.21273/hortsci.39.4.777c.

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Sources of irrigation water in South Florida typically contain high levels of dissolved carbonates and bicarbonates. Repeated application of high alkalinity water can cause substrate-solution pH to rise, thereby altering nutrient availability, and possibly leading to the development of nutrient disorders and a reduction in plant growth. The objectives of the current study were to determine the effects of neutralizing alkalinity of irrigation water on the nutritional status and growth of Thryallis (Galphimia glauca Cav.). Plants were grown in 11.4-L containers in a 5 peat: 4 pine bark: 1sand (v

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Teshome, Bekele. "Effect of Application of Gypsum and Farmyard Manure on Rice (Oryza sativa L.) Nitrogen Use Efficiency under Saline sodic soil at Amibara, Ethiopia." International Journal of Novel Research in Life Sciences 9, no. 3 (2022): 18–26. https://doi.org/10.5281/zenodo.6619732.

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<strong>Abstract:</strong> Abundance of soil with saline sodic property in Amibara irrigated farms is becoming a threat to crop productivity. As part of the solution to such problem soils, combine application of gypsum and farmyard manure has not been investigated well in the area.  Therefore study was conducted at Worer Agricultural Research Center using rice as a test crop to evaluate Effect of GYP and FYM on nitrogen use efficiency of rice. Factorial combinations with three rates of FYM (0, 10 and 20 t ha-1) and five rates of gypsum (0%, 25%, 50%, 75%, 100% GR) were laid out in randomi

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Adewopo, Julius, Helen Peter, Ibrahim Mohammed, Alpha Kamara, Peter Craufurd, and Bernard Vanlauwe. "Can a Combination of UAV-Derived Vegetation Indices with Biophysical Variables Improve Yield Variability Assessment in Smallholder Farms?" Agronomy 10, no. 12 (2020): 1934. http://dx.doi.org/10.3390/agronomy10121934.

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The rapid assessment of maize yields in a smallholder farming system is important for understanding its spatial and temporal variability and for timely agronomic decision-support. We assessed the predictability of maize grain yield using unmanned aerial/air vehicle (UAV)-derived vegetation indices (VI) with (out) biophysical variables on smallholder farms. High-resolution imageries were acquired with UAV-borne multispectral sensor at four and eight weeks after sowing (WAS) on 31 farmer managed fields (FMFs) and 12 nearby nutrient omission trials (NOTs) sown with two genotypes (hybrid and open-

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Gutiérrez-Castorena, Edgar Vladimir, Joseph Alejandro Silva-Núñez, Francia Deyanira Gaytán-Martínez, Vicente Vidal Encinia-Uribe, Gustavo Andrés Ramírez-Gómez, and Emilio Olivares-Sáenz. "Evaluation of Statistical Models of NDVI and Agronomic Variables in a Protected Agriculture System." Horticulturae 11, no. 2 (2025): 131. https://doi.org/10.3390/horticulturae11020131.

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Vegetable production in intensive protected agriculture systems has evolved due to its intensity and economic importance. Sensors are increasingly common for decision-making in crop management and control of environmental variables, obtaining optimal yields, such as estimating vegetation indices. Innovation and technological advances in unmanned vehicle platforms have improved spatial, spectral, and temporal resolution. However, in protected agriculture systems, the use is limited due to the assumption of having controlled environmental conditions for indeterminate vegetable production. Theref

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Beever, D. E., M. S. Dhanoa, H. R. Losada, R. T. Evans, S. B. Cammell, and J. France. "The effect of forage species and stage of harvest on the processes of digestion occurring in the rumen of cattle." British Journal of Nutrition 56, no. 2 (1986): 439–54. http://dx.doi.org/10.1079/bjn19860124.

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1. Pure swards of perennial ryegrass (Lolium perenne L. cv. Melle) or white clover (Trifolium repens L. cv. Blanca) were harvested daily as either primary growth (May-June) or mid- (July) and late- (August-September) season 4-week regrowths and offered to Friesian steers at two levels of feed allowance (18 and 24 g dry matter (DM)/kg live weight), to examine the effect of forage species and stage of harvest on nutrient digestion and supply.2. The early- and mid-season grasses had low nitrogen (23 g/kg DM) and high water-soluble carbohydrate (169 g/kg) contents whilst the late-season grass had

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Zahra, A. M., A. N. K. Sinaga, B. D. A. Nugroho, and R. E. Masithoh. "Effect of plant biostimulants on red and green romaine lettuce (Lactuca sativa) growth in indoor farming." IOP Conference Series: Earth and Environmental Science 1297, no. 1 (2024): 012008. http://dx.doi.org/10.1088/1755-1315/1297/1/012008.

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Abstract By controlling environmental conditions, indoor farming can increase plant growth, productivity, and harvest quality. An additional element that can enhance lettuce yield is the utilization of plant biostimulants. These substances can boost nutrient absorption efficiency, enhance resistance to environmental stresses, and foster positive impacts on plant growth and maturation. This study examined the impact of red and green romaine lettuce with different plant biostimulants (Viva®, Megafol®, Radifarm®) added to AB mix on lettuce growth under white LED lighting on 30 days of cultivation

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Samota, Rajesh, Suresh Kumar, Gayatri Pralhad Turkar, et al. "Combined Application of Zinc-Based Fertilizers and Biofertilizers Enhances Soil Fertility in Alkaline Soils of Uttar Pradesh, India." International Journal of Plant & Soil Science 37, no. 8 (2025): 75–81. https://doi.org/10.9734/ijpss/2025/v37i85611.

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Soil fertility is a cornerstone of sustainable agricultural productivity, particularly in regions where edaphic constraints limit crop performance. The integrated use of zinc-based fertilizers and biofertilizers offers a promising approach to address the dual challenges of micronutrient deficiency and declining soil health in alkaline soils. The study aims to evaluate the effect of zinc-based fertilizers and zinc-mobilizing biofertilizer on soil fertility under silty loam soil conditions. The field experiment was conducted during the 2022 Kharif season at the Student Instructional Farm, Achary

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Badu Brempong, Mavis, Yangmin X. Kim, Gye-Ryeong Bak, and Jeong-Tae Lee. "Optimizing Slow-Release Fertilizer Rate for Crop and Soil Productivity in Kimchi Cabbage Cropping Systems in the Highlands of Gangwon Province." Agronomy 14, no. 7 (2024): 1428. http://dx.doi.org/10.3390/agronomy14071428.

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Slow-release fertilizer (SRF) improves Kimchi cabbage (KC) productivity in the Highlands of Gangwon Province in South Korea; however, optimum rates for the region are not established. This study investigated the optimum and most economical rate of SRF that maximizes KC yield, nutrient uptake and nitrogen use efficiency (NUE) and enhances soil quality in two experiments at the Highland Agriculture Research Institute. Post-harvest soil N (mg kg−1), P2O5 (mg kg−1), K, Ca and Mg (cmolc kg−1), pH (1:5), electrical conductivity (EC; dSm−1) and organic matter (OM; g kg−1) were measured to assess soil

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Ceritoglu, Mustafa, Fatih Çığ, Murat Erman, and Figen Ceritoglu. "Integrating Multi-Trait Selection Indices for Climate-Resilient Lentils: A Three-Year Evaluation of Earliness and Yield Stability Under Semi-Arid Conditions." Agronomy 15, no. 7 (2025): 1554. https://doi.org/10.3390/agronomy15071554.

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This research assessed 42 lentil genotypes developed by ICARDA along with a local variety over three growing seasons (2019–2022) in Southeastern Türkiye. Phenological, morphological, and yield attributes were determined to observe earliness, yield stability, and adaptation properties. Genotype G3771 showed outstanding performance in grain yield (2579 kg ha−1), 1000-seed weight (54.9 g), and harvest index (37.3%), although it had lower stability under more severe drought conditions. Early-maturing genotypes like G3744, G3715, and G3716 consistently flowered and matured sooner, making them bette

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Michel C. Nolin, Bernard Gagnon,, and Athyna N. Cambouris. "Combined de-inking paper sludge and poultry manure application on corn yield and soil nutrients." Canadian Journal of Soil Science 84, no. 4 (2004): 503–12. http://dx.doi.org/10.4141/s04-020.

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Application of combined de-inking paper sludge and poultry manure may be an appropriate way to dispose of these residues and restore fertility of highly degraded soils. An experiment was initiated to determine the effects of a single application of this material, using two different application techniques, on corn yield and soil properties of two 12-ha fields of contrasting textures located in the Nicolet watershed in the province of Québec, Canada. De-inking paper sludge was mixed with poultry manure (PP) at a ratio of 25:1 and strip-applied before corn seeding. The study included three treat

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Adeoluwa, Olusola Oluyinka, Charles Shelton Mutengwa, Cornelius Chiduza, and Ngoune Liliane Tandzi. "Nitrogen Use Efficiency of Quality Protein Maize (Zea mays L.) Genotypes." Agronomy 12, no. 5 (2022): 1118. http://dx.doi.org/10.3390/agronomy12051118.

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Use of more nutrient-use efficient Quality Protein Maize (QPM) varieties will likely play a pivotal role in maintaining or increasing crop yields and nutritional values in fields where soils are degraded. This study aimed to: (i) assess the nitrogen use efficiency (NUE) of different QPM inbred lines at various levels of nitrogen (N) fertilizer application; (ii) determine the relationships among NUE indices and yield; and (iii) determine the appropriate rate of fertilizer application for QPM genotypes under conditions of this study. Thirty-two QPM inbred lines were evaluated at 0, 30, 60, 90 an

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Wong, SC, PE Kriedemann, and GD Farquhar. "CO2 × Nitrogen Interaction on Seedling Growth of Four Species of Eucalypt." Australian Journal of Botany 40, no. 5 (1992): 457. http://dx.doi.org/10.1071/bt9920457.

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Four eucalypt species were selected to represent two ecologically disparate groups which would be expected to contrast in seedling vigour and in the nature of growth responses to CO2 × nitrogen supply. Eucalyptus camaldulensis and E. cypellocarpa were taken as examples of fast-growing species with a wide distribution, that develop into large trees. By contrast, E. pauciflora and E. pulverulenta become smaller trees, and show a more limited distribution. Seedlings were established in pots (5 L) of a loamy soil and supplied with nutrient solution containing either 1.2 or 6.0 mM NO3- in both ambi

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