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Artykuły w czasopismach na temat „Leaf yield”

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Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Clifford, P. T. P. "EFFECT OF LEAF AREA ON WHITE CLOVER SEED PRODUCTION." NZGA: Research and Practice Series 2 (January 1, 1985): 25–31. http://dx.doi.org/10.33584/rps.2.1985.3306.

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Leaf size is a major determinant of white clover seed yield. A three-fold increase in leaf size halves seed yield. From a survey of commercial crops, an optimum leaf size concept was used to explain the reduction in yield potential for extremes in leaf size. Overgrazing gave small leaves and lowered seed yields. Closing too early gave large leaves and lowered yields. With good management, optimum leaf size was the smallest size possible, consistent with ensuring an adequate bulk for efficient harvesting. A healthy highly-reproductive stolen population has to be developed before closing. Second

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2

Jalilian, J., and H. Delkhoshi. "How Much, Leaves Near the Ear Contribute on Yield and Yield Components of Maize?" Cercetari Agronomice in Moldova 47, no. 2 (2014): 5–12. http://dx.doi.org/10.2478/cerce-2014-0012.

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Abstract In order to study the role of leaf position on yield and yield component of maize, this research was conducted based on randomized complete block design with three replicates at the research field of Urmia University, Urmia, Iran, in 2011. For determine the role of leaf position in maize yield, we used the leaf removing (clipping) treatments. Leaf clipping treatments contain ear leaf clipping, above ear leaf clipping, below ear leaf clipping and control (without leaf clipping) that imposed at one week after ear initiation. Leaf removing had a significant effect on all measured traits

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3

Filho, A. Bergamin, S. M. T. P. G. Carneiro, C. V. Godoy, L. Amorim, R. D. Berger, and B. Hau. "Angular Leaf Spot of Phaseolus Beans: Relationships Between Disease, Healthy Leaf Area, and Yield." Phytopathology® 87, no. 5 (1997): 506–15. http://dx.doi.org/10.1094/phyto.1997.87.5.506.

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Five field experiments were conducted to investigate the relationship between the severity of visible disease (X), area under the disease progress curve (AUDPC), healthy leaf area index on any given day (HLAI), radiation intercepted by healthy leaf area on any given day (HRI), healthy leaf area duration (HAD), total healthy leaf area absorption (HAA), and yield of Phaseolus beans, cultivars Rosinha and Carioca, inoculated with Phaeoisariopsis griseola at several doses. In general, yield was not related to disease severity (X) or AUDPC. In contrast, the highest yields were always related to the

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4

Ascari, João Paulo, Inês Roeder Nogueira Mendes, Vanessa Costa da Silva, and Dejânia Vieira de Araújo. "Ramularia leaf spot severity and effects on cotton leaf area and yield1." Pesquisa Agropecuária Tropical 46, no. 4 (2016): 434–41. http://dx.doi.org/10.1590/1983-40632016v4642781.

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ABSTRACT Cotton monoculture favors the development of diseases such as ramularia leaf spot, which causes early defoliation and boll rotting, thus decreasing yield. This study aimed at evaluating the severity of ramularia leaf spot and its effects on cotton leaf area and yield. The experiment was conducted in a triple (4 x 3 x 2) factorial design, consisting of four cultivars (FM940GLT, FM944GL, TMG42WS and TMG43WS), three thirds of the plant (lower, middle and upper) and two management conditions (with and without fungicide application). To the variable area under the disease progress curve, t

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5

Parris, Cheryl A., Clinton C. Shock, and Michael Qian. "Soil Water Tension Irrigation Criteria Affects Stevia rebaudiana Leaf Yield and Leaf Steviol Glycoside Composition." HortScience 52, no. 1 (2017): 154–61. http://dx.doi.org/10.21273/hortsci11352-16.

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Stevia (Stevia rebaudiana Bertoni) is of interest for the production of steviol glycosides due to their noncaloric sweetening properties. Commercial stevia leaf production to date has focused on rebaudioside A and stevioside. Relatively little is known about the cultural practices necessary for the efficient production of stevia leaf and steviol glycosides. Irrigation management is an important agronomic technique that growers can use to obtain high yield while also pursuing water use efficiency (WUE). This trial investigated the effect that irrigation onset criteria measured as soil water ten

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6

Ionuṭ RACZ, Rozalia KADAR, Sorin VȂTCĂ, et al. "RELATIONSHIP BETWEEN LEAF AREA SURFACE, CHLOROPHYLL CONCENTRATION AND YIELD COMPONENTS IN SPRING WHEAT." LIFE SCIENCE AND SUSTAINABLE DEVELOPMENT 2, no. 2 (2021): 1–5. http://dx.doi.org/10.58509/lssd.v2i2.122.

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The present paper presents the variability of some yields and non-yields components of a group of ten varieties of spring wheat. Flag leaf area, chlorophyll concentration, spike length, number of grains/spike, weight of grains/spike and estimated grain yield were analyzed as yield components or morpho-physiological traits with a high impact on final grain yield. Flag leaf area surface has a direct an important contribution to determine increased number and weight of grains per spike. Chlorophyll concentration determined from flag leaf at early milky stage is significant correlated with weight

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7

BERINDEAN, Ioana, Ionut RACZ, Rozalia KADAR, et al. "RELATIONSHIP BETWEEN LEAF AREA SURFACE, CHLOROPHYLL CONCENTRATION AND YIELD COMPONENTS IN SPRING WHEAT." LIFE SCIENCE AND SUSTAINABLE DEVELOPMENT 2, no. 2 (2021): 1–5. https://doi.org/10.58509/848bqz12.

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The present paper presents the variability of some yields and non-yields components of a group of ten varieties of spring wheat. Flag leaf area, chlorophyll concentration, spike length, number of grains/spike, weight of grains/spike and estimated grain yield were analyzed as yield components or morpho-physiological traits with a high impact on final grain yield. Flag leaf area surface has a direct an important contribution to determine increased number and weight of grains per spike. Chlorophyll concentration determined from flag leaf at early milky stage is significant correlated with weight

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8

De Jong, DW, and G. Pittarelli. "Tobacco Leaf Protein: II. Genetic and Fractionation Approaches to Improving Tobacco Leaf Protein Production." Beiträge zur Tabakforschung International/Contributions to Tobacco Research 15, no. 1 (1991): 43–52. http://dx.doi.org/10.2478/cttr-2013-0620.

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AbstractTobacco variety T. I. 401 was evaluated for seasonal leaf protein yields and crossbred with other genotypes to determine whether leaf protein yield was a genetically transmissible trait. Relatively high leaf protein yields associated with later maturity were observed in preliminary trials but additional crossbreeding and selection is deemed necessary to achieve stable integration of improved leaf protein yields and desirable agronomic performance. Chromatographic and electrophoretic analyses demonstrated that high leaf protein yield of T. I. 401 was not associated with a particular pro

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9

Khan, M. A., L. E. Trevathan, and J. T. Robbins. "Quantitative Relationship Between Leaf Rust and Wheat Yield in Mississippi." Plant Disease 81, no. 7 (1997): 769–72. http://dx.doi.org/10.1094/pdis.1997.81.7.769.

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Yield losses in wheat (Triticum aestivum) caused by leaf rust were evaluated in cultivar trials at five locations in Mississippi over a 4-year period from 1986 through 1989. Different levels of disease developed in the various trials over the 4-year period. There was no significant interaction between location and cultivar when yield data were collected from sites in the north and central areas of the state. A model derived from data for eight cultivars at two locations showed a negative linear relationship between yield and leaf rust. Total grain yield was reduced by 1% for each 1% increase i

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10

Reidel, Edwin J., Patrick H. Brown, Roger A. Duncan, and Steven A. Weinbaum. "502 Reassessment of Leaf Potassium Critical Values in Almond." HortScience 35, no. 3 (2000): 481B—481. http://dx.doi.org/10.21273/hortsci.35.3.481b.

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Almond [Prunus dulcis (Mill.) D.A. Webb] yields have increased substantially since the 1961 publication of the Univ. of California (UC) guidelines for leaf potassium (K). Numerous growers and reputable analytical laboratories are concerned that the recommendations for leaf K are inadequate. A highly productive almond orchard with low leaf K was selected to reassess the leaf K critical value of 1.1% to1.4% and determine the relative sensitivity of various yield determinants to inadequate K availability. Baseline yields for 100 individual trees were measured in 1998 and four rates of potassium s

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11

Cock, James H., and Mabrouk A. El-Sharkawy. "Physiological Characteristics for Cassava Selection." Experimental Agriculture 24, no. 4 (1988): 443–48. http://dx.doi.org/10.1017/s0014479700100183.

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SummaryBreeding for high and stable yields is a major objective for cassava breeding programmes. Owing to the simultaneous formation of steins and leaves (source) and storage roots (sink), competition for assimilates implies that there is an optimum leaf area index for yield. This has led to the use of the harvest index as a practical criterion for selection. The optimal harvest index and leaf area index are discussed for selection for stressful environments. A successful strategy for developing high yielding varieties for favourable conditions is presented. Recent information has shown that s

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12

Clough, George H. "Stand Reduction and Foliage Damage Reduce Yield of Dehydrating Onion." HortScience 39, no. 5 (2004): 1005–7. http://dx.doi.org/10.21273/hortsci.39.5.1005.

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Field trials were conducted at Hermiston, Ore., from 1995 through 1998, to determine impact of stand loss and plant damage at different growth stages on yield of onions (Allium cepa) grown for dehydration. Stand reduction (0%, 20%, 40%, 60%, 80%) and foliage damage (0%, 25%, 50%, 75%, 100%) treatments were applied at three-, six-, nine-, and twelve-leaf onion growth stages. Although average bulb weight increased as stand was reduced, marketable, cull, and total yields decreased as stand reduction increased (plant population decreased) at all plant growth stages. Bulb weight was not changed by

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13

Barai, Kallol, Lily Calderwood, Matthew Wallhead, et al. "High Variation in Yield among Wild Blueberry Genotypes: Can Yield Be Predicted by Leaf and Stem Functional Traits?" Agronomy 12, no. 3 (2022): 617. http://dx.doi.org/10.3390/agronomy12030617.

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Wild lowbush blueberry fields are characterized by high genetic diversity, with a large number of genotypes coexisting in every field. Yield also varies among genotypes, which could be related to the variation in physiological and structural traits, but this has not been rigorously tested. In this study, we aimed to quantify the inter-genotype variation in yield, as well as leaf and stem functional traits, and to establish the relationship between functional traits and yield-related traits in wild blueberries. To do so, we carried out a study during the 2019 harvest season measuring structural

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14

Rashid, Zahida, Suhail Inamullah, Quadri Javeed Ahmad Peer, Mudasir Rashid, and Souliha R. "Influence of crop geometry on yield, yield attributes and glycoside yield of Stevia rebaudiana Bertoni." Journal of Applied and Natural Science 7, no. 1 (2015): 339–43. http://dx.doi.org/10.31018/jans.v7i1.612.

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Field experiments were conducted in a loamy sand soil during 2006 and 2007 at Punjab Agriculture University, Ludhiana to evaluate the performance of Stevia rebaudiana Bertoni under varying planting geometry. The studies revealed that in case of row to row spacing, highest number of leaves per plant (533.0, 447.6), leaf area (8113.1, 6322.6 cm2/plant), leaf area index (5.1, 8.7) and dry matter accumulation per plant (86.0, 76.9 g/plant) during 2006 and 2007, respectively were found under wider row spacing of 75 cm. Which was significantly higher than narrower row spacing of 60 cm and 45 cm. Whe

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15

Dangler, James M., and C. Wesley Wood. "Nitrogen Rate, Cultivar, and Within-row Spacing Affect Collard Yield and Leaf Nutrient Concentration." HortScience 28, no. 7 (1993): 701–3. http://dx.doi.org/10.21273/hortsci.28.7.701.

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Collards (Brassica oleracea L. Acephala Group) were grown in spring and fall to evaluate the effects of N fertilizer rate (0, 56, 112, 168, and 224 kg·ha -1), cultivar (Blue Max and Vates), and within-row spacing (15, 23, and 30 cm) on yield and leaf mineral nutrient concentrations. Season, cultivar, and N rate interacted in their effects on yield. In spring, `Blue Max' yield increased linearly with N rate to 10.4 t·ha-1, whereas the highest `Vates' yield (7.0 t·ha-1) was obtained with 112 kg N/ha, and yield remained similar with additional N. In fall, `Blue Max' and `Vates' yields were highes

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16

Cabrera, Raul I. "Leaf Nitrogen Status on Yield and Quality of Roses." HortScience 35, no. 4 (2000): 564C—564b. http://dx.doi.org/10.21273/hortsci.35.4.564c.

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The establishment of critical tissue N levels for greenhouse rose production has been primarily based on visual symptoms of N deficiency, with relatively less consideration to yield parameters. This work examined the relationship between rose leaf N concentration and flower yield and quality. Container-grown `Royalty' rose plants were irrigated for 13 months with complete nutrient solutions containing N concentrations of 30, 60, 90, 120, 150 and 220 mg·L–1. Optimum flower and dry biomass yields, stem length, and stem weights were obtained in plants irrigated with 90 mg·L–1 N. Leaf N concentrat

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17

Akter, Nasrin, Dil Atia Parvin, Mohammad Kamrul Hasan, Nasima Akther Roshni, Syed Aflatun Kabir Hemel, and Md Abdul Wadud. "Mulching tree leaves improve the growth, yield, and yield components of hybrid maize." Research in Agriculture Livestock and Fisheries 11, no. 2 (2024): 205–14. http://dx.doi.org/10.3329/ralf.v11i2.76068.

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The experiment was carried out at the Agroforestry Farm, Department of Agroforestry, Bangladesh Agricultural University, Mymensingh from November 2019 to March 2020 to assess the impact of tree leaf mulching on the growth, yield attributes, and yield of maize. The study used a Randomized Complete Block Design with three replications and six treatments. These treatments were: T0=Control (no mulch), T1=Akashmoni (Acacia auriculiformis) tree leaf mulch, T2=Segun (Tectona grandis) tree leaf mulch, T3=Kalo koroi (Albizia lebbeck) tree leaf mulch, T4=Jhau (Casuarina equisetifolia) tree leaf mulch, a

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18

Szabó, É. "Relationship between the physiological properties and yield of winter wheat varieties on chernozem soil." Acta Agronomica Hungarica 61, no. 4 (2013): 279–92. http://dx.doi.org/10.1556/aagr.61.2013.4.4.

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The relationship between the yield, chlorophyll content and leaf area index of five winter wheat genotypes was investigated in two different growing seasons on chernozem soil. The results suggest that the genotype and the nutrient supply had a considerable influence on both the yield and the physiological traits, while the growing season modified the parameters in a significant manner. The results proved that the chlorophyll content and leaf area index had a direct influence on the yield; varieties developing larger leaf area and leaf chlorophyll content had higher yields even in different sea

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19

Sabitha, N., D. Mohan Reddy, D. Lokanatha Reddy, P. Sudhakar, and B. Ravindra Reddy. "Association Analysis over Seasons among Morphological, Physiological and Yield Components with Kernel Yield in Maize (Zea mays L.)." Journal of Advances in Biology & Biotechnology 27, no. 5 (2024): 151–56. http://dx.doi.org/10.9734/jabb/2024/v27i5774.

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Forty five single cross hybrids made from 10 inbred lines of maize through diallel mating design were evaluated for three seasons viz. rabi, summer and kharif from 2016-17 to 2017-18.Kernel yield had consistent significant and positive associations with SPAD meter readings, specific leaf area, cob length, cob girth, number of kernel rows cob-1,number of kernels row-1,100 kernel weight and harvest index in rabi, summer and kharif seasons. Similar trend of positive and significant association of kernel yield with all the above characters were recorded at genotypic level indicating existence a cl

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20

Cangi, R., and D. A Atalay. "Effects of different bud loading levels on the yield, leaf and fruit characteristics of Hayward kiwifruit." Horticultural Science 33, No. 1 (2011): 23–28. http://dx.doi.org/10.17221/3736-hortsci.

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The effects of different levels of bud loading on the yield and some leaf and fruit characteristics in Hayward cultivar (A. deliciosa) in the province of Ordu, Turkey were examined during two growing seasons in 2000&ndash;2001. Six years old kiwifruit vines were pruned to carry the loads of 120, 180, 240 or 300 buds/vine on the canes with 12 buds. The study determined probable total leaf area (PTLA), probable total leaf number (PTLN), probable total leaf weight (PTLW) and yield per vine. Mean fruit weight (MFW) and soluble solid contents (SSC, %) of fruits were expressed. In addition, unit

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21

Gheshm, Rahmatallah, and Rebecca Nelson Brown. "Compost and Black Polyethylene Mulches Improve Spring Production of Romaine Lettuce in Southern New England." HortTechnology 30, no. 4 (2020): 510–18. http://dx.doi.org/10.21273/horttech04594-20.

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Romaine lettuce (Lactuca sativa) is the most popular leafy vegetable in the United States. Organic and synthetic mulch materials are applied by farmers to reduce their weeding expenditures, manage soil temperatures, and increase the yield and quality of their crops. This study examined the impacts of using black polyethylene, compost, and shredded leaves as surface mulches in spring open field romaine lettuce by using data regarding the soil temperature, lettuce growth, and yield parameters. Mulch treatments were compared to determine effects on soil temperature, lettuce growth rates, leaf are

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22

Avcı, Ayse Betül, and Refika R. Akcali Giachino. "Correlation between the Agronomical Characteristics and Essential Oil Content of Origanum onites L. and Melissa officinalis L." Turkish Journal of Agriculture - Food Science and Technology 7 (December 22, 2019): 152–56. http://dx.doi.org/10.24925/turjaf.v7isp2.152-156.3183.

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Due to their widespread use in the pharmaceutical, cosmetic and food industries, medicinal and aromatic plants have gained importance with an increasing number of studies being conducted concerning the yield and quality characteristics of these plants. In breeding studies, selection is successful when there a correlation is established between the essential oil content, composition, and morphological and agronomic characteristics. The aim of this study was to address the correlation between the yield and quality of medicinal and aromatic plants to present a different perspective for breeding s

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23

Maboko, Martin Makgose, and Christian Phillipus Du Plooy. "Yield of Two Hydroponically Grown Tomato Cultivars as Affected by Transplanting Stage or Direct Seeding." HortScience 49, no. 4 (2014): 438–40. http://dx.doi.org/10.21273/hortsci.49.4.438.

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Direct seeding or transplanting younger seedlings should reduce costs in hydroponic systems. A 2-year study (2011–12 and 2012–13) was conducted to determine yield of two hydroponically grown tomato cultivars using transplanted seedlings at different growth stages vs. direct seeding. An open bag, using 10-L plastic bags filled with sawdust, was used for direct seeding and transplanting of seedlings at two-, four- or six-leaf stages. Data were collected on early marketable, early total, total, total marketable and cull yield as well as plant fresh and dry mass. In 2011–12, there was increased ea

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Heitholt, J. J., and W. R. Meredith. "Yield, Flowering, and Leaf Area Index of Okra‐Leaf and Normal‐Leaf Cotton Isolines." Crop Science 38, no. 3 (1998): 643–48. http://dx.doi.org/10.2135/cropsci1998.0011183x003800030003x.

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Tiwari, Mayank, S. K. Singh, Shubham Kumar, et al. "Study on Correlation and Path Analysis in Forage Sorghum [Sorghum bicolor (L.) Moench]." International Journal of Plant & Soil Science 36, no. 4 (2024): 52–59. http://dx.doi.org/10.9734/ijpss/2024/v36i44452.

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This investigation is conducted to determine character association and path coefficient analysis using 35 genotypes of forage sorghum at the Crop Research Centre of the Sardar Vallabhbhai Patel University of Agriculture and Technology in Meerut. In Kharif 2022, testing of all 35 genotypes of forage sorghum was conducted using a randomized block design with three replications. Observations were recorded for days to 50% flowering, plant height (cm), leaf breadth (cm), leaf length (cm), number of leaves per plant, total soluble solids (%), leaf area (cm2), stem girth (mm), leaf stem ratio and gre

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Narwal, S. S., and D. S. Malik. "Response of sunflower cultivars to plant density and nitrogen." Journal of Agricultural Science 104, no. 1 (1985): 95–97. http://dx.doi.org/10.1017/s0021859600043021.

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SummaryIn a 2-year study, sunflower oultivar EC 69874 produced greater leaf area than EC 68415, but gave similar grain yields. The former was superior in leaf area, head size and yield per plant but was inferior in 100-seed weight. The leaf area was greater at lower plant density (5·5 plants/m2), which resulted in higher 100-seed weight, number of seeds per plant and yield per plant than higher plant density (11·1 plants/m2). Plant density had no influence on the percentage of filled seeds or oil content. Application of nitrogen improved the leaf area, flowerhead size, percentage of filled see

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Okonya, Joshua S., and Brigitte L. Maass. "Potential of Cowpea Variety Mixtures to Increase Yield Stability in Subsistence Agriculture: Preliminary Results." International Journal of Agronomy 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/515629.

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CowpeaVigna unguiculata(L.) Walp. is an important leafy vegetable and grain legume in Uganda. Unlike in commercial agriculture, where variety mixtures are known to give higher and more stable yields, the performance of cowpea variety mixtures in subsistence agriculture is little known. Mixtures containing up to four cowpea varieties were subjected to all possible 2-way, 3-way, and 4-way combinations. These cowpea varieties and mixtures were grown at three locations in Soroti and Kumi districts in order to assess the relative mixture effect, defined as: Mixture effect (%) = (mixture yield − pur

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Tozzi, Eric, K. Neil Harker, Robert E. Blackshaw, John T. O'Donovan, Stephen E. Strelkov, and Christian J. Willenborg. "Late Glyphosate Applications Alter Yield and Yield Components in Glyphosate-Resistant Canola (Brassica napus)." Weed Technology 29, no. 4 (2015): 675–83. http://dx.doi.org/10.1614/wt-d-15-00009.1.

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The development of glyphosate-resistant canola has provided improved weed-management options for growers, but crop tolerance to glyphosate may be inadequate at later growth stages. In this study, glyphosate-resistant canola 45H28 (RR) was used to determine the effects of glyphosate application timing on yield and yield components at several sites in western Canada. Canola received a single glyphosate applications at the two-leaf, six-leaf, bolting, and early bloom stages and sequential applications at the two-leaf + six-leaf, two-leaf + bolting, and two-leaf + early bloom stages. Contrasts wer

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Mandal, Supriya, Raja Shankar, C. N. HANCHINAMANI, M. ANJANAPPA, and ARVIND KUMAR J.S. "Morphological assessment to predict genetic variability for leaf yield and leaf yield related traits in 52 genotypes of Moringa (Moringa oleifera L.)." Indian Journal of Agricultural Sciences 92, no. 6 (2022): 721–25. http://dx.doi.org/10.56093/ijas.v92i6.108359.

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Moringa (Moringa oleifera L.) grown mostly for pod production but now a days moringa is gaining popularity for leaf production purpose due to its immense medicinal properties of leaves which can be incorporated in our daily diet in different forms. So, identification and selection of leafy type genotype is imperative. Analysis of variance related to growth, leaf and leaf yield traits indicated considerable variability among fifty-two genotypes. Magnitude of phenotypic coefficient of variation was higher than genotypic coefficient of variation for all the traits under study, indicated influence

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Hampton, J. G., T. G. A. Clemence, and B. L. Mccloy. "Chemical Manipulation of Grass Seed Crops." NZGA: Research and Practice Series 2 (January 1, 1985): 9–14. http://dx.doi.org/10.33584/rps.2.1985.3308.

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The seed yield potential established at anthesis in grass seed crops is usually 5-10 times greater than actual seed yields realised at harvest. Losses in seed yield between anthesis and harvest result primarily from the death of fertile tillers and poor seed site utilisation. Lodging has been identified as one of the most important factors reducing seed yields, and the use of growth retardants has significantly increased seed yield in perennial ryegrass and tall fescue. The effects of the growth retardant paclobutrazol on the growth, development and seed yield of perennial ryegrass (Lolium per

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U. C. Bhosale, S. A. Anarase, L. N. Tagad, and V. L. Amolic. "Correlation and Path Coefficient Analysis of Yield and Yield Contributing Characters in Stylosanthes species." Journal of Agriculture Research and Technology 49, no. 03 (2024): 502–7. https://doi.org/10.56228/jart.2024.49318.

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The investigation correlation and path coefficient analysis of yield and yield contributing characters in Stylosanthes species was undertaken to study the magnitude of genetic variability, character associations and direct and indirect contribution of various components towards green forage yield. The ten observations were recorded on green forage yield and yield contributing characters viz., plant height (cm), plant spread (cm), number of primary branches plant-1, leaf length (cm), leaf breadth (cm), length of leaf sheath (cm), leaf to stem ratio, green forage yield plant-1 (g), dry matter yi

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Iwo, G. A., and P. E. Olorunju. "Yield stability and resistance to leaf spot diseases and rosette in groundnut." Czech Journal of Genetics and Plant Breeding 45, No. 1 (2009): 18–25. http://dx.doi.org/10.17221/30/2008-cjgpb.

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Twenty-three advanced groundnut lines were evaluated for yield and resistance to early leaf spot (Mycosphaerella arachidis Deighton), late leaf spot (Mycosphaerella berkeleyi W.A. Jenkins) and rosette virus in on-station trials in 2001 and 2002. All the early groundnut lines were relatively resistant to rosette virus, early leaf spot and late leaf spot except ICGV-SM-93523 and ICGV-SM-93525, which were susceptible to late leaf spot. The medium maturing lines showed mostly higher levels of diseases, except MS16-791, which performed very well against all three diseases. The late groundnut lines

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Banjare, Bhumika, Pratibha Katiyar, Akshay S. Magar, and Neha Thakur. "Exploring the Correlation between Morpho-physiological Traits and Growth Attributes Associated with Yield Characteristics in Rice (Oryza sativa L.)." Journal of Experimental Agriculture International 46, no. 8 (2024): 158–64. http://dx.doi.org/10.9734/jeai/2024/v46i82689.

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This study aimed to identify the morpho-physiological and growth attributes, and yield associated with yield in rice genotypes. The experiment included 120 rice genotypes and 3 checks, conducted in an alpha lattice design with two replications at the Research Cum Instructional Farm in the Department of Plant Physiology, Indira Gandhi Krishi Vishawavidyalaya, Raipur, Chhattisgarh, during the two consecutive Kharif seasons of 2021-22 and 2022-23. Conventional spacing of 15 x 20 cm and recommended cultural practices were employed. The objective is to improve the overall efficiency and productivit

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Revill, Andrew, Vasileios Myrgiotis, Anna Florence, et al. "Combining Process Modelling and LAI Observations to Diagnose Winter Wheat Nitrogen Status and Forecast Yield." Agronomy 11, no. 2 (2021): 314. http://dx.doi.org/10.3390/agronomy11020314.

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Climate, nitrogen (N) and leaf area index (LAI) are key determinants of crop yield. N additions can enhance yield but must be managed efficiently to reduce pollution. Complex process models estimate N status by simulating soil-crop N interactions, but such models require extensive inputs that are seldom available. Through model-data fusion (MDF), we combine climate and LAI time-series with an intermediate-complexity model to infer leaf N and yield. The DALEC-Crop model was calibrated for wheat leaf N and yields across field experiments covering N applications ranging from 0 to 200 kg N ha−1 in

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35

Lamidi, O. S., B. Abdullahi, B. Abdullahi, and A. T. Omokanya. "EFFECT OF PLANT SPACING, PHOSPHORUS LEVEL, AND TIME OF HARVEST ON FORAGE YIELD OF LABLAB (LABLAB PURPUREUS), CV. HIGHWORTH." Nigerian Journal of Animal Production 24, no. 2 (2021): 161–64. http://dx.doi.org/10.51791/njap.v24i2.2379.

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A field trial was conducted at Shika, Northern Nigeria to examine the effect of two plant spacings: 30 x 25cm (SI) and 60 x 25cm (S2), four phosphorus leves (75, 100, 125 and 150kgP.ha) and harvesting at 86, 100, 114 and 128 days after planting (DAP) on forage yield of La-blab purpureus cv. Highworth. Closer spacing significantly gave higher (P < 0.05) leaf, stem and total dry matter (DM) yields that wider spacing. Application of phosphorus fertilizer did not significantly (P > 0.p05) influence stem and total DM yield. Leaf DM yield was affected (P < 0.05) by the levels of fertilizer

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., Priyanka, Anita Singh, Manoj Raghav, and Vinay Kumar. "Correlation Analysis of Leafy Mustard (Brassica juncea var. rugosa) Genotypes for Morphological and Neutraceutical Attributes under Tarai Condition of Uttarakhand, India." Environment and Ecology 41, no. 4 (2023): 2331–41. http://dx.doi.org/10.60151/envec/kygl3962.

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The phenotype coefficient of variation recorded highest in green leaves yield per plant and green leaves yield (kg/ha). Highest value of heritability was reported for green leaf yield/plot (99.90%) followed by green leaf yield/plant (99.07%), leaf area (98.24%) and days to last leaf harvest (73.42%) while lowest value of heritability was observed in no. of leaves/plant at 30 days (47.52%). High heritability in conjunction with high genetic advance was observed for leaf area (169.99). Highest genetic advance as % of mean was recorded in leaf area (31.37%) followed by green leaf yield/plant (26.

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Adeniji, OT. "Genetic variation and heritability for foliage yield and yield component traits in edible Amaranthus cruentus [L.] Genotypes." Bangladesh Journal of Agricultural Research 43, no. 3 (2018): 513–24. http://dx.doi.org/10.3329/bjar.v43i3.38397.

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The field experiment with nine Amaranthus cruentus genotype was conducted, to estimate the magnitude of genetic variability, heritability and genetic advance for leaf yield and contributing traits of amaranth genotypes during 2013 and 2017 cropping seasons. Field experiment was carried out in a randomized complete block design with three replications between 2013 and 2014 cropping season in Jalingo Taraba state. Data were collected on branches/plant, leaves/plant, leaf length, lead width, leaf fresh weight, leaf dry weight, marketable foliage yield, non- marketable foliage yield and plant heig

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Kabilan, M., P. Janani, V. Raja, L. Sowmiya, K. Poonkodi, and E. Nagalakshmi. "Comprehensive Study on Growth and Yield Attributes to the Different Soil and Foliar Application on Annual Moringa (Moringa oleifera L.)." Asian Journal of Soil Science and Plant Nutrition 11, no. 2 (2025): 343–53. https://doi.org/10.9734/ajsspn/2025/v11i2533.

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An investigation on “Effect of organic amendments on growth and yield of annual moringa (Moringa oliefera L.) var. PKM 1” was carried out at Department of Vegetable Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Periyakulam, Theni, Tamil Nadu during 2022-2024. The study was undertaken with an objective to standardize the organic package practices, drying methods, packing materials and storage conditions of moringa value-added products. The experiment was conducted using a factorial randomized block design (FRBD) with three replications at the Western

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Mehta, Harsh, and Kumud Ranjan Sarkar. "Heterosis for leaf photosynthesis, grain yield and yield components in maize." Euphytica 61, no. 2 (1992): 161–68. http://dx.doi.org/10.1007/bf00026807.

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Zhao, Meicheng, Sha Tang, Haoshan Zhang, et al. "DROOPY LEAF1 controls leaf architecture by orchestrating early brassinosteroid signaling." Proceedings of the National Academy of Sciences 117, no. 35 (2020): 21766–74. http://dx.doi.org/10.1073/pnas.2002278117.

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Leaf architecture directly determines canopy structure, and thus, grain yield in crops. Leaf droopiness is an agronomic trait primarily affecting the cereal leaf architecture but the genetic basis and underlying molecular mechanism of this trait remain unclear. Here, we report that DROOPY LEAF1 (DPY1), an LRR receptor-like kinase, plays a crucial role in determining leaf droopiness by controlling the brassinosteroid (BR) signaling output inSetaria, an emerging model for Panicoideae grasses. Loss-of-function mutation in DPY1 led to malformation of vascular sclerenchyma and low lignin content in

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41

Kuhar, Thomas P., Michael P. Hoffmann, Lydia J. Stivers-Young, Susan B. Sterrett, and Michele Marini. "Potato Leafhopper Economic Injury Levels on Earlystage Snap and Dry Kidney Beans." HortTechnology 13, no. 4 (2003): 647–49. http://dx.doi.org/10.21273/horttech.13.4.0647.

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Field cage experiments were conducted in Ithaca, N.Y. in 2001 to determine the yield effect of potato leafhopper (Empoasca fabae) infestations on early-stage beans (Phaseolus vulgaris). Yields of `Hystyle' snap beans and `Montcalm' dry kidney beans were significantly reduced when infested by potato leafhopper at the cotyledon, two-leaf, and four-leaf stages. For snap beans, no differences in yield response from potato leafhopper were observed among the three plant growth stages. For dry beans, there was a difference in yield response between cotyledon and four-leaf-stage plants. Dynamic econom

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42

Mabel, M. Caccam, A. Guiner Josephine, D. Supsup Roel, I. Manuel Jr Jaime, and M. Barrameda Evangel. "Improving mulberry (Morus alba L.) leaf yield, silkworm (Bombyx mori L.) cocoon yield and income using sustainable fertilizer management practices | JBES 2022." Journal of Biodiversity and Environmental Sciences | JBES 20, no. 2 (2022): 1–11. https://doi.org/10.5281/zenodo.7631831.

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To meet local and international demand for silk products, six (6) fertilizer management strategies involving green leaf manuring and silk waste composting were evaluated to improve mulberry leaf and silkworm cocoon yields and income at DMMMSU-Sericulture Research and Development Institute, Bacnotan, La Union, Philippines. The treatments were laid out in RCBD with three replications. Mulberry leaf and cocoon yields were gathered, analyzed using ANOVA and means were compared using HSD. Cost return analysis was estimated. Average single leaf weight was significantly higher in fertilized treatment

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Kızıl Aydemir, Serap, and Kutalmış Turhal. "Correlation Analyses of Herbage Yield and Quality Components in Certain Sorghum × Sudangrass (Sorghum bicolor L.×Sorghumsudanense Staph.) Hybrid Cultivars." Turkish Journal of Agriculture - Food Science and Technology 6, no. 4 (2018): 495. http://dx.doi.org/10.24925/turjaf.v6i4.495-499.1818.

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The purpose of this research study was to evaluate phenotypic correlation between yield, quality and certain yield components, and to determine the direct and indirect effects of 13 different components on yield and quality in sorghum×sudangrass hybrids. The research was conducted in the trial area of the Bilecik Seyh Edebali University Faculty of Agriculture and Natural Sciences in Bilecik, Turkey, in the 2015 crop year. The randomized complete block design with 4 replications was used. In the study, Aneto and Teide sorghum×sudangrass hybrid varieties belonging to Fito Seed Company and Gözde

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Zhong, Xiaolong, Bingbing Zhao, Manyu Huang, et al. "Comparison of Growth and Yield Characteristics of Mid-Season Hybrid Rice under Different Yield Levels." Agronomy 10, no. 12 (2020): 1876. http://dx.doi.org/10.3390/agronomy10121876.

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Analysis of growth and yield characteristics of rice with different yield levels is very important for the breeding of high-yield rice cultivators. To investigate the yield components’ variation, morphological characteristics of the panicles, leaves, and stems of rice varieties under different yield levels, a two-year field experiment was conducted in Chongqing China. The 20 mid-season Indica hybrid rice varieties were classified into three groups based on yield, comprising high-yield group (HG), mid-yield group (MG), and low-yield group (LG). The main reason for the superior yield of HG is th

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45

S.V. KRISHNA REDDY, S. KASTURI KRISHNA, J.A.V. PRASAD RAO, P. HARISHU KUMAR, and V. KRISHNAMURTHY. "Effect of application of biofertilizers to soybean (Glycine max) and nitrogen to tobacco (Nicotiuna tabacum) in soybean - tobacco cropping system." Indian Journal of Agronomy 52, no. 4 (2001): 294–99. http://dx.doi.org/10.59797/ija.v52i4.4942.

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A field experiment was conducted during 2001-02 and 2002-03 at Jeelugumilli to find out the direct and residual effects of Bradyrhizobium japonicum and Pseudomonas striata inoculation on rainy season (kharif) soybean [Gly- cine max (L.) Merr.] cv 'JS 335' and of directly applied N in winter (rabr) season FCV tobacco (Nicotiana tabacum L.) cv 'Kanchan' in irrigated Alfisols of Andhra Pradesh. Co-inoculation of soybean with Bradyrhizobium + Pseudomonas recorded significantly higher growth, yield attributes and grain yield than their individual inoculation and no inoculation. Green-manuring in si

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46

Du, Pengzhen, Yong-He Zhu, Jacob Weiner, et al. "Reduced Root Cortical Tissue with an Increased Root Xylem Investment Is Associated with High Wheat Yields in Central China." Plants 13, no. 8 (2024): 1075. http://dx.doi.org/10.3390/plants13081075.

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Trait-based approaches are increasingly used to understand crop yield improvement, although they have not been widely applied to anatomical traits. Little is known about the relationships between root and leaf anatomy and yield in wheat. We selected 20 genotypes that have been widely planted in Luoyang, in the major wheat-producing area of China, to explore these relationships. A field study was performed to measure the yields and yield components of the genotypes. Root and leaf samples were collected at anthesis to measure the anatomical traits relevant to carbon allocation and water transpor

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Stephenson, R. A., E. C. Gallagher, and V. J. Doogan. "Leaf nitrogen as a guide for fertilising macadamia." Australian Journal of Experimental Agriculture 37, no. 5 (1997): 599. http://dx.doi.org/10.1071/ea96143.

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Summary. Despite the lack of evidence for a critical level of leaf nitrogen in macadamia, fertiliser management has been largely based on tentative standards for high yielding trees. Trees on a lower plane of nitrogen nutrition, however, produced higher yields of good quality nuts. This study was therefore carried out to establish the relationship between yield and nitrogen status of trees. Three rates of nitrogen fertiliser (0.5, 1.5 and 2.5 kg urea/tree . year; 230, 690 and 1150 g nitrogen respectively) were applied to macadamia trees in 1 of 5 application strategies: 1 application in April

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P, Panneerselvam, and Murali Arthanari P. "Impact of Nutrient Management and Agro-forestry Systems on Growth and Yield of Sunflower." Madras Agricultural Journal 98, JUNE (2011): 136–40. http://dx.doi.org/10.29321/maj.10.100260.

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A field experiment was conducted to evaluate the effect of integrated nutrient management (INM) practices on growth, yield parameters and yield of sunflower grown under neem (Azadirachta indica) and melia (Melia azadirach) trees during kharif 2009 at Student's Farm, College of Agriculture, Hyderabad. Dry matter production, crop growth rate, leaf area index, yield components and yield of sunflower was higher in sole cropping of sunflower compared to sunflower grown under neem or melia trees. Higher sunflower yield was recorded under sole cropping (560 kg /ha) compared to sunflower grown under n

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Hasan, MK, MT Islam, NA Roshni, R. Akter, and MB Hossain. "Effect of agroforest tree leaf biomass on yield and yield contributing characters of wheat cv. Akbar." Progressive Agriculture 30, no. 1 (2019): 32–38. http://dx.doi.org/10.3329/pa.v30i1.42206.

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A field experiment was conducted at the Agroforestry Farm of Bangladesh Agricultural University, Mymensingh during November 2017 to March 2018 to evaluate the effects of agroforest tree leaf biomasses on yield and yield contributing characters of wheat cv. Akbar. Eight different treatments viz. T1= Ipil-ipil (Leucaena leucocephala) tree leaf biomass, T2 = Minjiri (Cassia siamea) tree leaf biomass, T3 = Kalokoroi (Albizia lebbeck) tree leaf biomass, T4 = Sadakoroi (Albizia procera) tree leaf biomass, T5 = Eucalyptus (Eucalyptus camaldulensis) tree leaf biomass, T6 = Akashmoni (Acacia auriculifo

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Sadasivam, R., A. Arjunan, S. Mohandass, and M. Nagarajan. "Relationship Between Grain Yield and Flag Leaf Angle in Rice." International Rice Research Newsletter 14, no. 4 (1989): 14. https://doi.org/10.5281/zenodo.7002576.

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This article 'Relationship Between Grain Yield and Flag Leaf Angle in Rice' 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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