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Journal articles on the topic 'Nitrogen application schedules'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Conover, C. A., and R. T. Poole. "FERTILIZER RATE AND SCHEDULE CAN OPTIMIZE PLANT GROWTH AND MINIMIZE NITROGEN LEACHING." HortScience 28, no. 5 (1993): 476f—476. http://dx.doi.org/10.21273/hortsci.28.5.476f.

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Codiaeum variegatum (L.) Blume `Petra' liners were transplanted into 15-cm pots and fertilized using 24N-3.4P-14.2K at a total of either 7.2 or 14.4 g N/pot over a 26-week growing period. Eight fertilizer treatments followed four application schedules at a low and high (double the low) rate. Schedules attempted to maximize fertilizer utilization with applications based on projected plant growth patterns. Irrigation was on an as-needed basis, and all leachate was collected from each pot. Weekly leachate per pot was analyzed for pH, electrical conductivity (EC), and NH4-N and NOx-N content. Plan

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2

Bhuiyan, L. R., N. Islam, and G. Mowla. "Rice Response to N Application with Different Irrigation Schedules." International Rice Research Newsletter 15, no. 6 (1990): 18. https://doi.org/10.5281/zenodo.7214633.

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This article 'Rice Response to N Application with Different Irrigation Schedules' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.

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3

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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4

ANUREET KAUR, R.K. PANNU, and G.S. BUTTAR. "Impact of nitrogen application on the performance of wheat (Triticum aestivum) and nitrogen use efficiency under different dates of sowing." Indian Journal of Agronomy 55, no. 1 (2001): 40–45. http://dx.doi.org/10.59797/ija.v55i1.4728.

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Field experiments were conducted during rabi seasons of 2003-04 and 2004-05 to find out the effect of sowing time and nitrogen schedules on perofrmance of wheat and N balance in sandy loam soils of Hisar, Haryana .The results showed that 40 days delayed sowing resulted in 24.5% reduction in wheat grain yield. However, there was increase in nitrogen content in grains with the delayed sowing whereas, nitrogen uptake decreased with delayed sowing. Maximum mobilization of nitrogen to grain was recorded on 25 December and minimum on 15 November sown crop. There was decrease in physiological efficie

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Benett, Cleiton Gredson Sabin, Alan Kênio dos Santos Pereira, Leandro Caixeta Salomão, Katiane Santiago Silva Benett, and Natalia Arruda. "Calcium Nitrate Dose and Application Period in American Lettuce (Lactuca sativa L.)." Journal of Agricultural Science 10, no. 6 (2018): 154. http://dx.doi.org/10.5539/jas.v10n6p154.

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The aim of this study was to evaluate the yield of American lettuce subjected to different dosages of calcium nitrate on two application schedules. The experiment used four replicates of a 2 × 5 factorial randomized complete block design, with two application schedules (Schedule 1: 50% of the dose at transplanting and 50% at 20 days after transplanting; Schedule 2: 50% at 10 days and 50% at 20 days after transplanting) and five doses (0, 150, 300, 450 and 600 kg ha-1). The following variables were evaluated: the number of inner and outer leaves, head height and diameter, head height/diameter r

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Hinesley, L. Eric, Layne K. Snelling, C. Ray Campbell, D. K. Roten, and Jeff Hartzog. "Nitrogen Increases Fresh Weight and Retail Value of Fraser Fir Christmas Trees." HortScience 35, no. 5 (2000): 860–62. http://dx.doi.org/10.21273/hortsci.35.5.860.

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Abies fraseri (Pursh) Poir. Christmas trees were fertilized for 5 years with four levels of N (0, 56, 113, or 170 kg·ha–1 per year) in spring, fall, or equally split between spring and fall. Nitrogen did not affect leader length, number of leaders, or bud frequency on the upper (distal) portion of the leader. Nitrogen increased bud frequency on the lower (proximal) 20 cm of the leader in only 1 of 3 years of measurement. All application schedules increased the number of apical buds on branches, whereas the number of lateral buds was increased only by spring applications. Nitrogen increased tre

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7

Shaikh, Abu, Mahfuza Khatun, Md Ali, and Bidhan Sarker. "Optimizing rate and time of nitrogen application for reducing nitrogen requirement and increasing productivity of wheat." Fundamental and Applied Agriculture 8, no. 1 (2023): 359. http://dx.doi.org/10.5455/faa.115359.

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As per 4Rs nutrient stewardship, the right timing and right rate of nitrogen (N) are two important attentions for profitable and sustainable crop production, particularly in the N deficient soil. The effectiveness of N utilization depends on the appropriate timing and amount of N application as per the crop demands at the critical stages of crop growth. The experiment was carried out at the experimental field of Agrotechnology Discipline, Khulna University, Bangladesh during the winter season of 2019-20 to investigate into the effect of schedule and rates of N application on wheat growth, yiel

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Hinesley, L. Eric, Layne K. Snelling, C. Ray Campbell, D. K. Roten, and Jeff Hartzog. "Nitrogen Increases Fresh Weight and Retail Value of Fraser Fir Christmas Trees." HortTechnology 11, no. 1 (2001): 151b. http://dx.doi.org/10.21273/horttech.11.1.151b.

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Abstract. Abies fraseri (Pursh) Poir. Christmas trees were fertilized for 5 years with four levels of N (0, 56, 113, or 170 kg·ha-1 per year) in spring, fall, or equally split between spring and fall. Nitrogen did not affect leader length, number of leaders, or bud frequency on the upper (distal) portion of the leader. Nitrogen increased bud frequency on the lower (proximal) 20 cm of the leader in only 1 of 3 years of measurement. All application schedules increased the number of apical buds on branches, whereas the number of lateral buds was increased only by spring applications. Nitrogen inc

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9

He, Hua, and Jun Liang Li. "Irrigation Schedule of Greenhouse Tomato Using Pan Evaporation and Tensiometer and Effects on Yield and Soil Nitrate." Advanced Materials Research 864-867 (December 2013): 2498–502. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.2498.

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Over-application of nitrogen is widespread in greenhouse vegetable production in China and induces environmental problems. The nitrogen leaching lose from unsuitable irrigation has proved to be the bottleneck of reducing nitrogen application, and timely and adequate irrigation so became one of the key countermeasures for reduction of nitrogen application. This experiment was conducted to schedule irrigation with tensiometers and pan evaporation, probing the effects of that on tomato (Lycopersicon esculentumMill) fruit yield and soil nitrate. The results show that i) when Kcp=1.2, tomato obtain

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10

Qiu, Haonan, Shihong Yang, Zewei Jiang, Yi Xu, and Xiyun Jiao. "Effect of Irrigation and Fertilizer Management on Rice Yield and Nitrogen Loss: A Meta-Analysis." Plants 11, no. 13 (2022): 1690. http://dx.doi.org/10.3390/plants11131690.

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Irrigation and nitrogen fertilizer application are two important factors affecting yield and nitrogen loss in rice fields; however, the interaction effects of different irrigation schedules and combined management of nitrogen fertilizer application on yield and nitrogen loss in rice fields remain unknown. Therefore, we collected 327 sets of data on rice yield and 437 sets of data on nitrogen loss in rice fields from 2000 to 2021 and investigated the effects of different water-saving irrigation schedules, nitrogen application levels, and water–nitrogen couplings on rice yield, nitrogen use effi

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KAMLESH VERMA, S.K. PRASAD, M.K. SINGH, and PRASHANT SHARMA. "Response of alley-cropped pearl millet (Pennisetum glaucum) to nitrogen and zinc schedules under semi-arid regions." Indian Journal of Agronomy 68, no. 1 (2023): 105–9. http://dx.doi.org/10.59797/ija.v68i1.213.

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Realizing the importance of tree-based cropping system and scheduling of nitrogen (N) and zinc (Zn) in the semi-arid region, an on-field trial was conducted with pearl millet [Pennisetum glaucum (L.) R. Br.] during the rainy season of 2017 at RGS Campus of Banaras Hindu University, Mirzapur, Uttar Pradesh. The trial was laid out in factorial randomized block design with 4 N and 4 Zn treatment applications in different schedules. The results revealed that, N scheduled at ¼ [basal] + ½ (3rd visible leaf (VL) + ¼ panicle extended in flag-leaf sheath (PEFLS) produced the most synergetic effect on

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12

Mahadevappa S. G., G. Sreenivas, D. Raji Reddy, A. Madhavi, and S. S. Rao. "Productivity of Bt Cotton under Different Levels of Irrigation and Nitrogen in Alfisols." International Journal of Environment and Climate Change 13, no. 11 (2023): 2126–34. http://dx.doi.org/10.9734/ijecc/2023/v13i113374.

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Aims: To determine the optimum irrigation schedule and nitrogen level for Bt cotton in alfisols in Southern Telangana. Study Design: Split plot design. Place and Duration of Study: ARI, Rajendranagar, Hyderabad during kharif 2014. Methodology: The experiment was laid out with three irrigation schedules (I1- 0.8 IW/CPE, I2 - 0.4 IW/CPE and I3 - Rainfed) as main plots and four nitrogen levels (N1- 0 kg ha-1, N2 - 75 kg ha-1, N3 - 150 kg ha-1 and N4 - 225 kg ha-1) as sub plot treatments replicated thrice. Treatments imposed as per the schedule and data recorded on yield, yield a

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13

EDWlN LUIKHAM, J. KRISHNARAJAN, and M. PREMSEKHAR . . "Irrigation and nitrogen application schedules for hybrid 'ADTRH I' rice (Oryza sativa) in Tamil Nadu." Indian Journal of Agronomy 49, no. 1 (2001): 37–39. http://dx.doi.org/10.59797/ija.v49i1.5151.

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A field experiment was conducted at Coimbatore during the rainy (kharif) season of 1999 and 2000, to study the effect of different water- and nitrogen-management practices on hybrid 'ADTRH I' rice (Oryza sativa L.) in clay-loam soil. The maximum yield of grain and straw were recorded with irrigation on the day of disappearance of ponded water which remained on a par with that obtained with irrigation 1 day after disappearance of ponded water. Among the nitrogen-management practices, significantly highest grain and straw yields were observed with recommended dose of 150 kg Ntha applied in 4 spl

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14

Marouelli, Waldir A., Ronessa B. Souza, Marcos B. Braga, and Washington LC Silva. "Evaluation of sources, doses and application schedules of nitrogen on drip-irrigated tomato." Horticultura Brasileira 32, no. 3 (2014): 327–35. http://dx.doi.org/10.1590/s0102-05362014000300015.

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We aimed to establish strategies for nitrogen (N) fertilization on drip-irrigated determinate-growth-habit tomato, under Cerrado conditions of Central Brazil. Three field experiments were carried out in a randomized block design. In experiment I six N doses (0, 80, 160, 240, 320 and 400 kg ha-1 N) were tested, in experiment II six combinations of the N forms (nitric; ammonium; amide; 2/3 nitric + 1/3 ammonium; 2/3 nitric + 1/3 amide; and 1/3 nitric + 2/3 amide) were evaluated, and in experiment III the combination of three soil pre-plant fertilization fractions (0, 20 and 40%) was evaluated wi

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15

Saini, A. K., Lalita H. Saini, Veeresh Hatti, and Sachin H. Malve. "Effect of Nitrogen and Potassium Levels and Split Application on Growth, Yield, Nutrient Uptake, Soil Fertility, and Economics in Potato." International Journal of Environment, Agriculture and Biotechnology 10, no. 3 (2025): 225–30. https://doi.org/10.22161/ijeab.103.31.

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A field experiment was conducted at the Plasticulture Development Farm, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar, Gujarat, India over three consecutive years to evaluate the impact of nitrogen (N) and potassium (K) fertigation levels and split applications on potato growth, yield, nutrient uptake, soil fertility, and economics. The experiment comprised three levels of N and K (including a control with 100% RDF through soil application) and three split application schedules (4, 6, and 8 splits), using sprinkler irrigation on ridge beds. The results indicated that a

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16

Mir, Mohd Salim, Waseem Raja, M.A. Bhat, et al. "Influence of variable irrigation schedules and nitrogen levels on PAR (%) of rice (Oryza sativa L.) in temperate ecology of Kashmir." Ecology, Environment and Conservation 30, SUPPL (2024): S6—S9. http://dx.doi.org/10.53550/eec.2024.v30i03s.002.

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A field experiment was conducted at Faculty of Agriculture, Wadura, Sopore, SKUAST-Kashmir during Kharif 2021 and 2022 on silty clay loam soil. The soil of the experimental field was neutral in reaction, medium in available N, P and K and organic carbon. The experiment comprised of four irrigation schedules: I1 : Recommended Irrigation Scheduling, I2 :At field capacity (20 L m-2), I3 :10 % depletion from field capacity (20 L m-2) and I4 : 20 % depletion from field capacity (20 L m-2), assigned to main plots and four nitrogen levels including N0 : Control, N1 : 75 % RDN (Recommended dose of nit

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17

Yanni, Y. G. "Potential of indigenous cyanobacteria to contribute to rice performance under different schedules of nitrogen application." World Journal of Microbiology and Biotechnology 7, no. 1 (1991): 48–52. http://dx.doi.org/10.1007/bf02310919.

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18

RAVIKANT AVASTHE. "Nitrogen management in transplanted rice (Oryza sativa) in mid hill acidic soils of Sikkim Himalayas." Indian Journal of Agronomy 54, no. 1 (2001): 47–51. http://dx.doi.org/10.59797/ija.v54i1.4777.

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Two field experiments were conducted at Tadong in Sikkim in the humid mid-hill acidic soils during rainy ( kharif) season of 2004, 2005 and 2006 to optimize the rate, source and schedule of nitrogen management for increasing the yield and nitrogen-use efficiency of transplanted rice ( Or yza sativa L.) under 9 schedules, 4 rates (0, 80, 120 and 160), 3 nitrogen sources (urea, farm yard manure and neem cake-coated urea) in comparison with farmers practices. N application @ 80 kg/ha as N 10 days after transplanting (DAT) + N at maximum tillering (MT) + at panicale initiation (PI) recorded the hi

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19

Timilsina, Dinesh, Santosh Marahatta, and Lal Prasad Amgain. "Tillage and leaf colour chart-guided nitrogen management: Key to growth and yield improvement of winter maize in Chitwan, Nepal." Archives of Agriculture and Environmental Science 9, no. 4 (2024): 805–11. https://doi.org/10.26832/24566632.2024.0904025.

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Maize requires efficient nitrogen management to maximize productivity and sustainability. This research aimed to establish a critical Leaf Colour Chart (LCC) values for maize under zero tillage and conventional tillage. This research also focuses on evaluating LCC-based nitrogen management versus recommended practices. The experiment was conducted during the winter season of 2016-17 at the National Maize Research Program, Rampur, Chitwan, Nepal. The experiment was performed using a strip plot design with three replications. The main plot factor included two tillage methods (conventional and ze

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ANITA BINDHANI, K.C. BARIK, L.M. GARNAYAK, and P.K. MAHAPATRA. "Nitrogen management in baby corn (Zea mays)." Indian Journal of Agronomy 52, no. 2 (2001): 135–38. http://dx.doi.org/10.59797/ija.v52i2.4909.

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A field experiment was conducted during the rainy season of 2002 and 2003 at Bhubaneshwar, Orissa to study the effect of nitrogen levels (40, 80 and 120 kg Nlha) and timing of nitrogen application [M basal + '/2 at 25 days af- ter sowing (DAS), lI3 + Y3 at 25 DAS M basal + '/4 at 25 days + '/4 at pre-tasselling (40 DAS) and ' 1, basal + ' 1, basal at 25 DAS + 113 at pre-tasselling] along with no-nitrogen (control) on productivity and nitrogen-use efficiency of baby corn (Zea mays L.). Growth, yield attributes, baby corn yield, nitrogen content and uptake, protein content and yield, net return

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21

Neelima, T. L., K. Avil Kumar, V. Ramulu, and M. Uma Devi. "Impact of Drip Irrigation Regimes and Fertigation Levels on Yield and Economics of Summer Sesame (Sesamum indicum)." International Journal of Environment and Climate Change 13, no. 9 (2023): 865–72. http://dx.doi.org/10.9734/ijecc/2023/v13i92306.

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A field experiment was conducted at College farm, Water Technology Centre, Professor Jayashankar Telangana State Agriculture University (PJTSAU), Rajendranagar, Hyderabad during 2018 to 2019 to study the effect of differential drip irrigation and fertigation schedules on yield and economics of summer sesame. The experiment was framed with ten treatments viz., two irrigation levels (0.8 and 1.0 Epan), two fertigation levels (75% and 100% recommended dose of Nitrogen and Potassium), two schedules (Equal and differential) and two treatments with soil application of 100% RDF with Drip irrigation (

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22

Y. M, Liman, Bashir A., Audu H. A, and Ismaila M. "Optimizing Irrigation and Nitrogen Levels for Enhanced Cabbage Growth in Yobe's Semi-Arid Region." Asian Journal of Research in Agriculture and Forestry 10, no. 4 (2024): 328–37. http://dx.doi.org/10.9734/ajraf/2024/v10i4339.

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This study investigated the effects of irrigation schedules and nitrogen fertilizer application rates on the growth and productivity of cabbage in Damaturu, Yobe State. Using a Randomized Complete Block Design (RCBD) in a 3x5 factorial arrangement with three replications, we tested three irrigation intervals “3, 6, and 9 days” and five nitrogen fertilizer levels “0, 25, 50, 75, and 100 kg ha⁻¹” on an improved cabbage variety (Datdiku-5m). Results indicated cabbage growth positively responded to optimal irrigation intervals and increasing nitrogen fertilizer rates. The combination of 6-day irri

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23

Sheikh, R., N. S. Solanki, I. J. Mathur, S. Rathor, D. Choubisa, and L. S. Deora. "Effect of cutting schedules and nitrogen management on forage and seed production of oats (Avena sativa L.)." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 20, no. 2 (2024): 385–91. http://dx.doi.org/10.15740/has/ijas/20.2/385-391.

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A field research entitled “Effect of cutting schedules and nitrogen management on forage and seed production of oats (Avena sativa L.)” was conducted to find out the effect of cutting schedules (uncut, cut at 50 DAS and cut at 60 DAS) and nitrogen management (120 kg N ha-1, 90 kg N ha-1 + one spray of nano urea 2 ml litre-1, 90 kg N ha-1 + one spray of nano urea 4 ml litre-1, 60 kg N ha-1 + two sprays of nano urea 2 ml litre-1 and 60 kg N ha-1 + two sprays of nano urea 4 ml litre-1) on productivity of oats and find out the effect of foliar application of ‘Nano Urea’. The results revealed that

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Oliveira, Patrícia, Manuel Patanita, José Dôres, et al. "Combined effects of irrigation management and nitrogen fertilization on soft wheat productive responses under Mediterranean conditions." E3S Web of Conferences 86 (2019): 00019. http://dx.doi.org/10.1051/e3sconf/20198600019.

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To evaluate water-nitrogen interactions on irrigated wheat production, it is important to know: the dose, the fractioning, and the most recommended period of fertilizers application; the best irrigation volumes and schedules for meeting the crop requirements, ensuring the minimum leaching risks, to obtain the highest yields and quality of the grain, while achieving high water and nitrogen use efficiencies. This study evaluated the interactive effect of irrigation and nitrogen fertilization, with conventional and enhanced efficiency fertilizers, on yield, irrigation water use efficiency and gra

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Ayankojo, Ibukun T., Kelly T. Morgan, Monica Ozores-Hampton, and Kati W. Migliaccio. "Effects of Real-time Location-specific Drip Irrigation Scheduling on Water Use, Plant Growth, Nutrient Accumulation, and Yield of Florida Fresh-market Tomato." HortScience 53, no. 9 (2018): 1372–78. http://dx.doi.org/10.21273/hortsci13183-18.

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Florida is the largest fresh-market tomato (Solanum lycopersicum L.)–producing state in the United States. Although vegetable production requires frequent water supply throughout the crop production cycle to produce maximum yield and ensure high-quality produce, overirrigation can reduce crop yield and increase negative environmental consequences. This study was conducted to evaluate and compare irrigation schedules by a real-time and location-specific evapotranspiration (ET)-based SmartIrrigation Vegetable App (SI) with a historic ET-based schedule (HI). A field study was conducted on drip-ir

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Kleinhenz, Matthew D., Jiwan P. Palta, Christopher C. Gunter, and Keith A. Kelling. "Impact of Source and Timing of Calcium and Nitrogen Applications on `Atlantic' Potato Tuber Calcium Concentrations and Internal Quality." Journal of the American Society for Horticultural Science 124, no. 5 (1999): 498–506. http://dx.doi.org/10.21273/jashs.124.5.498.

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Three Ca sources and two application schedules were compared for their effectiveness for increasing tissue Ca concentrations in 170 to 284 g field-grown tubers of `Atlantic' potato (Solanum tuberosum L.). Additional observations were made of internal physiological defects. Paired measures of tissue (periderm and nonperiderm) Ca concentration and internal quality (±hollow heart, ±internal brown spot) were made on individual tubers produced in plots fertilized with N at 224 kg·ha-1 and Ca at either 0 or 168 kg·ha-1, supplied from either gypsum, calcium nitrate or NHIB (9N-0P-0K-11Ca, a commercia

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RAVIKANT AVASTHE. "Response of rainfed maize (Zea mays) to nitrogen management in mid hill acidic soils of Sikkim." Indian Journal of Agronomy 56, no. 3 (2001): 232–36. http://dx.doi.org/10.59797/ija.v56i3.4684.

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Two field experiments were conducted during 2005 and 2006 at Tadong, Sikkim to study the effect of nitrogen scheduling and integrated nutrient management on yield, nutrient uptake and economics of rainfed maize ( Zea mays L.) under nine schedules of nitrogen application and 11 combinations of urea, farmyard manure (FYM) and Azotobacter seed inoculation for integrated nutrient management. Amongst the various schedules of N application 1/3 N side-band placement (SBP) at sowing + 1/3 N SBP 25 days after sowing + 1/3 N SBP 50 days after sowing re- corded the highest grain yield (6.24 and 6.46 t/ha

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Patel, R. K., G. S. Tomar, and S. K. Dwivedi. "Effect of irrigation scheduling and nitrogen levels on growth, yield and water productivity of linseed (Linum usitatissimum L.) under Vertisols." Journal of Applied and Natural Science 9, no. 2 (2017): 698–705. http://dx.doi.org/10.31018/jans.v9i2.1260.

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A field experiment was conducted during Rabi season of 2015-16 at the Instructional cum Research Farm, IGKV, Raipur to study the effect of different irrigation scheduling and nitrogen levels on growth, yield attributes, yield, water and nitrogen productivity of linseed (Linum usitatissimumL.). The experiment was laid out in split plot design keeping four irrigation schedules viz., come-up (I1), one (I2), two (I3) and three irrigation (I4) in main plots and four levels of nitrogen viz., control (N0), 30 kg (N1), 60 kg (N2) and 90 kg N ha-1 (N3) in sub plots with three replications. Results reve

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Alva, A. K. "1026 BEST MANAGEMENT PRACTICE FOR NITROGEN FERTILIZATION OF FLORIDA CITRUS IN DEEP SAND." HortScience 29, no. 5 (1994): 575d—575. http://dx.doi.org/10.21273/hortsci.29.5.575d.

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Nitrate pollution of surfacial aquifer is fairly widespread in deep sandy soil areas of Central Florida. Since citrus is a predominant crop in this area, despite lack of conclusive evidence suggesting citrus fertilization as the source of nitrate pollution, investigations are in progress to develop Best Management Practice (BMP) recommendations for N fertilization of citrus in an effort to improve N use by the trees and to minimize potential nitrate leaching. Our ongoing studies on both young and mature trees have demonstrated that the use of improved fertilizer formulations and programmed app

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Borges, A., R. Morejón, A. Izquierdo, E. Ortega, and R. Rodés. "Nitrogen Fertilization for Optimizing the Quality and Yield of Shade Grown Cuban Cigar Tobacco: Required Nitrogen Amounts, Application Schedules, Adequate Leaf Nitrogen Levels, and Early Season Diagnostic Tests." Beiträge zur Tabakforschung International/Contributions to Tobacco Research 25, no. 1 (2012): 336–49. http://dx.doi.org/10.2478/cttr-2013-0913.

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AbstractNitrogen (N) fertilizers have a decisive influence on the yield and quality of tobacco. Yield, percentage of plant N, wrapper leaf quality, and nicotine content are all important quality characteristics in tobacco growing. This work is an attempt to provide a tool for optimizing mineral N nutrition for Cuban cigar tobacco, using a strategy that links N supply with leaf N concentration and wrapper yield. Similar approaches developed worldwide have mainly involved Virginia and Burley tobacco types but not Cuban cigar tobacco. The objective of the current work is to identify the effects o

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C.P., Nwachukwu, Okoro A.C., Ejikeme E.E., Nwanna E.C., and Okpala C.D. "Optimization of Soil Temperature Dynamics under Different Irrigation Schedules, Tillage Methods, and NPK Fertilizer Application Rates." Asian Journal of Advances in Agricultural Research 24, no. 11 (2024): 7–13. http://dx.doi.org/10.9734/ajaar/2024/v24i11559.

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Soil temperature is a critical factor influencing crop growth and development. This study investigated the effects of tillage, irrigation, and Nitrogen, Phosphorous, Potassium (NPK) fertilizer on soil temperature, exploring optimal management strategies for improved crop productivity. A field experiment was conducted at Nnamdi Azikiwe University, Awka, using a central composite design in response surface methodology (RSM) to evaluate the interactions between conventional, conservative, and zero tillage, irrigation deficit levels, and NPK fertilizer rates. Using response surface methodology (RS

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MOVLUDI, Arezu, Ali EBADI, Soodabeh JAHANBAKHSH, Mahdi DAVARI, and Ghasem PARMOON. "The Effect of Water Deficit and Nitrogen on the Antioxidant Enzymes’ Activity and Quantum Yield of Barley ( Hordeum vulgare L.)." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 42, no. 2 (2014): 398–404. http://dx.doi.org/10.15835/nbha4229340.

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The effects of water deficit and nitrogen fertilizer were studied on antioxidant enzymes activity and quantum yield of barley. An experiment carried out in greenhouse in factorial subject based on a completely randomized design with three replications. Irrigation schedules imposed at three levels of 85%, 60% and 35% field capacity (FC), and nitrogen were applied in quantities of 40, 80 and 120 kg N ha-1. We determined Catalase (CAT), Peroxidase (POX) Polyphenol oxidase (PPO) activities, proline, chlorophyll and carotenoid content, quantum yield and grain yield. The results showed that severe s

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VIPIN KUMAR, B.P. DHYANI, AKANSHA SINGH, et al. "Effect of nitrogen management on yield attributes and nitrogen-use efficiency of late-sown wheat (Triticum aestivum L.) in western Uttar Pradesh." Indian Journal of Agronomy 66, no. 2 (2001): 229–33. http://dx.doi.org/10.59797/ija.v66i2.2844.

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A field experiment was conducted during the winter (rabi) season 201617 at Meerut, Uttar Pradesh, to evalu- ate the nitrogen management for late-sown wheat (Triticum aestivum L.) crop. The experimental field condition was well-drained, sandy loam in texture, alkaline in reaction (pH 7.80), low in available nitrogen, medium in avail- able phosphorus and potassium with an electrical conductivity of 0.25dS/m. Eleven treatments comprising control, recommended dose of nitrogen (RDN) for a time as well as late-sown wheat with different application schedules were tested in randomized block design (RB

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BIPIN KUMAR, SHIVA DHAR, A.K. VYAS, and V. PARAMESH. "Impact of irrigation schedules and nutrient management on growth, yield and root traits of wheat (Triticum aestivum) varieties." Indian Journal of Agronomy 60, no. 1 (2001): 87–91. http://dx.doi.org/10.59797/ija.v60i1.4419.

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A field experiment was conducted during the winter season (rabi) of 201112 and 201213 at New Delhi, to find out the impact of irrigation schedules and nutrient management on wheat [Triticum aestivum (L.) emend. Firoi & Paol.] varieties. Two nutrient-management practices, i.e. 100% recommended dose of fertilizer (RDF) and 50% RDF + 50% recommended dose of nitrogen (RDN) through FYM were applied and 3 irrigation schedules i.e. irriga- tion at crown root initiation stage (CRI), CRI + flowering stage and irrigation at all critical stages were allocated to main plots and 4 wheat varieties (HD 2

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Sifa Isnu, Mei Mila, and Siti Khadijah. "STRATEGI PROMOSI DALAM MEMBANGUN BRAND MEDIA MANDIRI (STUDI KASUS DONATUR MEDIA MANDIRI)." Makna: Jurnal Kajian Komunikasi, Bahasa, dan Budaya 5, no. 2 (2015): 12–24. http://dx.doi.org/10.33558/makna.v5i2.863.

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PT Global Insight Utama is a company engaged in nitrogen gas content services for cars and motorcycles, in a year, the company manage to have 50 booth and 60.000 consumer. In strategic promotional mix study that uses PT. Global Insight Utama in marketing green nitrogen, in achieving tremendeous achievement. The purpose of this study is to defind out what elements of promotional mix used by PT. Global Insight. In marketing green nitrogen, knowing what kinds of messages delivered by PT Global Insight Home in marketing various products nitrogen gas content services to drivers of vehicles, and to

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Mudassar, Muhammad Akhlaq, Mahmood Ul-Hassan, Fahd Rasul, et al. "Response of Sugarcane to Varying Nitrogen Rate and Application Timings Under Semi-Arid Climate." Journal of Applied Research in Plant Sciences 3, no. 02 (2022): 248–59. http://dx.doi.org/10.38211/joarps.2022.3.2.31.

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To enhance crop yields, nitrogen is one of essential basic nutritional elements that enable any plant to withstand in stressful conditions. An experiment was carried out to investigate the impact of N rates and its application timings on growth, development and sugarcane yield at farm area of Sugarcane Research Institute, Faisalabad, Pakistan for two consecutive crop seasons (spring 2014 and 2015). Four Nitrogen (N) rates viz.170, 227, 284 and 341 kg ha-1were applied at four different application schedules i.e. T1= 45-75-90 days after planting (DAP); T2= 45-75-90-120 DAP;T3= 45-75-90-120-150 D

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Criscione, Kristopher S., Jeb S. Fields, Jim S. Owen, Lisa Fultz, and Edward Bush. "Evaluating Stratified Substrates Effect on Containerized Crop Growth under Varied Irrigation Strategies." HortScience 57, no. 3 (2022): 400–413. http://dx.doi.org/10.21273/hortsci16288-21.

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Growers rely on soilless substrates to provide sufficient water and nutrients to containerized crops. Traditional bark-based substrates are engineered to have relatively low water-holding capabilities, which can lead to nonuniform rewetting patterns and inefficient usage of water resources. Engineering substrates to redistribute water dynamics and maximize aeration within the container may improve water resource efficiencies. The goal of this study was to evaluate whether more efficient irrigation schedules can be used when stratifying unique substrates within a container for added crop water

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Salama, Heba S. A., Ali I. Nawar, and Hassan E. Khalil. "Intercropping Pattern and N Fertilizer Schedule Affect the Performance of Additively Intercropped Maize and Forage Cowpea in the Mediterranean Region." Agronomy 12, no. 1 (2022): 107. http://dx.doi.org/10.3390/agronomy12010107.

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Intercropping maize and forage cowpea is a widely proposed strategy to improve land use efficiency, and maximize the economic value of the farming system, especially in developing countries with restricted resources. The current study was carried out during the successive summers of 2020 and 2021 in Northern Egypt. The main objective was to evaluate the effect of three N schedules (NS1, NS2, NS3), when three different maize–cowpea intercropping patterns (IP1, IP2, IP3) were applied, on the grain yield of maize, forage yield and quality of forage cowpea. In addition, yield gain and land use eff

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Uddin, Md Mejbah, and Md Arifur Rahman. "Effect of Irrigation and Nitrogen Application at Early Tillering, Panicle Initiation and Flowering Stages on the Yield and Yield Attributes of Boro Rice." Asian Journal of Research in Crop Science 9, no. 4 (2024): 67–79. http://dx.doi.org/10.9734/ajrcs/2024/v9i4300.

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The study aimed to evaluate the impact of irrigation scheduling and nitrogen splitting on the yield and yield attributes of boro rice, with particular emphasis on critical growth stages including early tillering, panicle initiation and flowering stages. The experiment was executed at the Agronomy Field Laboratory of the Department of Agronomy and Agricultural Extension, University of Rajshahi, from December 2022 to May 2023. The experiment setup was demonstrated using a split plot design, incorporating three replications. Two factors were determined for the experiment: the first included three

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ANITA KUMAWAT, SEEMA SEPAT, RAMANJIT KAUR, DINESH KUMAR, and DINESH JINGER. "Effect of irrigation scheduling and nitrogen application on productivity and profitability of direct seeded rice (Oryza sativa)." Indian Journal of Agronomy 61, no. 4 (2001): 506–8. http://dx.doi.org/10.59797/ija.v61i4.4401.

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A field experiment was conducted during the rainy (kharif), season of 2015, to study the effect of irrigation scheduling and split application of nitrogen on productivity and profitability of direct-seeded rice (DSR) (Oryza sativa L.). The experiment was laid out in split-plot design with 12 treatment combinations including 4 irrigation schedules, viz, 0 kPa; 10 kPa, 20 kPa and 10 kPa during entire stage except 40 kPa at tillering to flowering stages in main plot and 3 N (120 kg/ha) application methods, viz. control (N ), half recommended dose of nitrogen (RDN) 0 as basal + one-fourth RDN at w

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Buriro, Mehwish, Habibullah Rajpar, Qamaruddin Jogi, et al. "EFFECT OF NITROGEN-PHOSPHORUS AND IRRIGATION SCHEDULES ON THE GROWTH AND YIELD OF MUSTARD (BRASSICA JUNCEA L.)." Pakistan Journal of Biotechnology 21, no. 1 (2024): 135–40. http://dx.doi.org/10.34016/pjbt.2024.21.01.886.

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To investigate the impact of Nitrogen and Phosphorus, as well as different irrigation schedules, on the growth and yield of the Mehran Raya variety of mustard, The results showed that the F3 = 120-60 kg/ha produced population plant( 31.78 m2), height of plant(181.09 cm), branch plant-1 (9.24),pods/plant(832.87) seeds pod-1 (15.26), seed index (1000 seeds wt. 17.11 g), and seed yield (2407.67 kg ha-1). while theF1(control) results showed minimum plant population of(8.11m2), height of plant (126.98cm), branch plant-1(4.92), pods plant-1(471.49) seeds pod-1 (5.07), seed index (1000seeds wt.14.44

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SHAKTI OM PATHAK, B.P. DHYANI, NIDHI LUTHRA, U.P. SHAHI, and GAURAV SHUKLA. "Effect of conjoint application schedules of organic and inorganic sources of nutrients on growth, yield and economics of rice." Indian Journal of Agronomy 68, no. 4 (2024): 351–56. http://dx.doi.org/10.59797/ija.v68i4.5453.

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A field experiment was conducted during (kharif) summer season of 2019 and 2020 at Crop Research Centre, Sardar Vallabh Bhai Patel University of Agriculture and Technology, Modipuram, Meerut, Uttar Pradesh to study the effect of integrated use of chemical nitrogen fertilizer and green manure on performance of rice (Oryza sativa L.). The experiment consists of fourteen treatment combinations of conjoint application of organic and inorganic sources of nutrients was laid-out in randomized block design with three replications. The results showed that the significant highest dry matter accumulation

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JAIBIR TOMAR, PRAWANEESH KUMAR, ARVIND KUMAR, et al. "Influence of irrigation schedules and fertilizer levels on barley (Hordeum vulgare) in western Uttar Pradesh." Indian Journal of Agronomy 61, no. 4 (2001): 515–18. http://dx.doi.org/10.59797/ija.v61i4.4405.

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A field experiment was carried out at the Janta Vedic (P.G.) College, Baraut, Baghpat, Uttar Pradesh, to study response of barley (Hordeum vulgare L.) to irrigation scheduling and fertilizer levels during the winter (rabi) sea- son of 201415. The experiment was conducted in split-plot design with three irrigation levels viz. one irrigation at tillering stage, 2 irrigations at tillering and flag-leaf stage, 3 irrigations at tillering, flag leaf and milking stage and 4 fertility levels, viz. recommended dose of fertilizer (RDF) : 60 kg N : 30 kg P O : 30 kg K O/ha, RDF + biofertilizer 2 5 2 [Azo

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Jayakumar, M., S. Khrisnasamy, and N. Thavaprakash. "Effect of irrigation regimes, mid-season drainage and time of application of nitrogen on growth and yield of hybrid rice." Acta Agronomica Hungarica 52, no. 1 (2004): 45–51. http://dx.doi.org/10.1556/aagr.52.2004.1.6.

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Field experiments were conducted at the Central Farm of the Agricultural College and Research Institute, Madurai, India during the rabi (October-January) seasons of 1999-2000 and 2000-2001 in a split plot design with three replications. The soil of the experiments was sandy clay loam with a neutral reaction. The main plot consisted of six irrigation schedules with mid-season drainage, while four N splits were taken as sub- plots. The experimental results revealed that irrigation to a depth of 5 cm one day after the disappearance of ponded water and mid-season drainage, along with N applied in

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Johnston, A. M., and D. B. Fowler. "Response of no-till winter wheat to nitrogen fertilization and drought stress." Canadian Journal of Plant Science 72, no. 4 (1992): 1075–89. http://dx.doi.org/10.4141/cjps92-134.

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The yield of recrop winter wheat (Triticum aestivum L.) is a function of the interaction between agronomic management and the prevailing environment. Eight field trials were conducted over 2 yr on Dark Brown and Black Chernozemic soils in Saskatchewan to determine the influence of fertilizer-N rate and time of application on the early-season crop development and water use of no-till seeded winter wheat. Ammonium nitrate was surface broadcast on one of three schedules: as early as possible (early); 67% early and 33% at the beginning of stem elongation (split): or 3 wk after early (late), at rat

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Boyd, Alexandra, Sarah Byrne, Ryan J. Middleton, Richard B. Banati, and Guo-Jun Liu. "Control of Neuroinflammation through Radiation-Induced Microglial Changes." Cells 10, no. 9 (2021): 2381. http://dx.doi.org/10.3390/cells10092381.

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Microglia, the innate immune cells of the central nervous system, play a pivotal role in the modulation of neuroinflammation. Neuroinflammation has been implicated in many diseases of the CNS, including Alzheimer’s disease and Parkinson’s disease. It is well documented that microglial activation, initiated by a variety of stressors, can trigger a potentially destructive neuroinflammatory response via the release of pro-inflammatory molecules, and reactive oxygen and nitrogen species. However, the potential anti-inflammatory and neuroprotective effects that microglia are also thought to exhibit

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SANTOSH KUMAR, RAKESH KUMAR, J.S. MISHRA, et al. "Optimization of seeding rates and nitrogen scheduling in direct-seeded rice (Oryza sativa) under drought-prone environment in middle Indo-Gangetic plains." Indian Journal of Agronomy 63, no. 4 (2024): 447–52. http://dx.doi.org/10.59797/ija.v63i4.5676.

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A field experiment was conducted during the rainy (kharif) seasons of 2014 and 2015 at Patna, Bihar to optimise the seeding rates and nitrogen scheduling for direct-seeded rice (Oryza sativa L.) under the rainfed drought-prone environment. The soil of the experimental plot was loamy, low in organic carbon (0.42) and available N (149.6 kg/ha), high in available phosphorus (25.8 kg/ha), medium in available potash content (183.6 kg/ha) and slightly alkaline (pH 7.7). The treatments consisted of 3 seeding rates (S1: 20 kg/ha; S2 : 30 kg/ha; and S3 : 40 kg/ha) in main-plot and four nitrogen schedul

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Zhang, Xin, Jianheng Zhang, Liwei Li, Yang Liu, Wenchao Zhen, and Guiyan Wang. "Interaction Effects of Water and Nitrogen Practices on Wheat Yield, Water and Nitrogen Productivity under Drip Fertigation in Northern China." Agriculture 14, no. 9 (2024): 1496. http://dx.doi.org/10.3390/agriculture14091496.

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Water resource shortage and unreasonable application of nitrogen (N) fertilizer have been problems in wheat production of northern China. However, the interaction effects of water regimes and N practices on wheat root growth, grain yield, soil water, and inorganic N changes as well as water-N use efficiency are still unclear under drip irrigation. A field experiment was conducted during the 2020–2021 and 2021–2022 winter wheat (Triticum aestivum) growing seasons. In this study, three irrigation schedules (i.e., irrigation was applied up to 80% [D1], 75% [D2], and 70% [D3] as soon as the soil w

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Rawal, Vipul Kumar, Heera Lal, Karuna Shanker, Aman Tutlani, and Rumaina Rehman Khan. "Improving Fertilizer Use Efficient Method and Strategies: A Sustainable Approach for Future." International Journal of Environment and Climate Change 15, no. 5 (2025): 39–50. https://doi.org/10.9734/ijecc/2025/v15i54833.

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The potential of an applied fertilizer to boost the production and utilization of the nutrients present in the soil/plant system is measured by the fertilizer usage efficiency (FUE). The primary purpose of FUE indicators is to evaluate how well fertilization with nitrogen (N), phosphorus (P), and potassium (K) works. The low effectiveness of NPK fertilizers, their negative environmental effects, and the scarcity of natural resources in relation to P are the causes of this. The plant genotype and the environment, which includes both biotic and abiotic elements, interact to produce the FUE. The

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Hernández-Urcera, Jorge, Mario Davi Dias Carneiro, and Miquel Planas. "Turnover Rates and Diet–Tissue Discrimination Factors of Nitrogen and Carbon Stable Isotopes in Seahorse Hippocampus reidi Juveniles Following a Laboratory Diet Shift." Animals 12, no. 10 (2022): 1232. http://dx.doi.org/10.3390/ani12101232.

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The initial development of seahorse juveniles is characterized by low digestion capabilities. Stable isotope analysis is an effective tool in studies of trophic food webs and animal feeding patterns. The present study provides new insights for the understanding of growth and food assimilation in early developing seahorses following a laboratory diet switch. The study was performed in the early life stages of the seahorse Hippocampus reidi by assessing the influence of diet shift on changes and turnovers in carbon (δ13C) and nitrogen (δ15N) stable isotope in juveniles. Newborn seahorses were fe

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