棉花产量和品质对行距和播种量的响应

IF 0.7 Q4 AGRICULTURAL ENGINEERING Journal of cotton science Pub Date : 2022-10-01 DOI:10.56454/qlip5101
R. Sorensen, M. Lamb, C. Butts
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引用次数: 0

摘要

棉花(Gossypium hirsutum L.)是佐治亚州西南部与花生(Arachis hypogaea L.)种植系统相关的主要轮作作物。由于花生通常是双排种植,以获得更高的产量和等级,因此使用同一个双排种植机种植棉花将具有成本效益。目前尚不清楚滴灌对棉花皮棉产量的影响。目的是比较不同行型、两种植物密度、多个地点种植以及滴灌和喷灌系统灌溉的棉花产量。棉花以推荐的(1X)和半推荐的(0.5X)播种率(分别为93000和54600种子/公顷)以单列和双列模式种植。灌溉系统包括地下滴灌(SSDI)、浅层地下滴灌(S3DI)和高架洒水喷头。行型(单列或双列)、播种率或灌溉系统对皮棉产量没有影响。纤维质量存在差异,可能是由于品种的原因,但没有一致性得出任何结论。为了保持全年产量和经济性,建议使用单排或双排滴灌或喷灌系统以接近1倍的播种率种植棉花。播种率降低到一半或低于建议的播种率可能会增加产量和收入下降的风险,而使用较少种子节省的资金可能无法弥补这些风险。
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Cotton Yield and Quality Response to Row Pattern and Seeding Rate
Cotton (Gossypium hirsutum L.) is a major rotational crop associated with peanut (Arachis hypogaea L.) cropping systems in Southwest Georgia. Since peanut is typically planted in twin-rows for greater yield and grade, use of the same twin-row planter for cotton would be cost effective. It is not clear what effect row pattern would have on cotton lint yield using drip irrigation. The objectives were to compare cotton yield when planted in different row patterns, with two plant densities, at multiple locations, and irrigated with drip and sprinkler irrigation systems. Cotton was planted in single- and twin-row patterns at recommended (1X) and half-recommended (0.5X) seeding rates (93,000 and 54,600 seeds/ha, respectively). Irrigation systems were subsurface drip irrigation (SSDI), shallow subsurface drip irrigation (S3DI), and overhead sprinkler. Row pattern (single- or twin-row), seeding rate, or irrigation system had no effect on lint yield. There were fiber quality differences, probably due to cultivar, but there was no consistency to draw any conclusions. For consistent year-to-year yield and economics, it is recommended to plant cotton near 1X seeding rates using single- or twin-rows with either drip or sprinkler irrigation systems. Seeding rates reduced to half or lower than the recommended rate may increase risk of lower yields and revenue that may not be covered by money saved using less seed.
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来源期刊
Journal of cotton science
Journal of cotton science AGRICULTURAL ENGINEERING-
CiteScore
0.90
自引率
20.00%
发文量
0
期刊介绍: The multidisciplinary, refereed journal contains articles that improve our understanding of cotton science. Publications may be compilations of original research, syntheses, reviews, or notes on original research or new techniques or equipment.
期刊最新文献
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