河南农业大学学报2011，Vol.45Issue(5)：497-501,5.
不同土壤质地对棉花成铃时空分布及产量的影响
Effects of soil texture on spatial-temporal distribution of bolls and yield of cotton
摘要
Abstract
Pool-culture experiment was conducted to study the effects of soil texture (clay, loam, sandy) on spatial-temporal distribution characteristics of bolls and yield of cotton in 2008 and 2009. The results showed the soil texture had some effect on spatial-temporal distribution of bolls and yield of cotton and the number of bolls setting on the fruit branches of the mid-lower part and the inner fruit nodes of cotton were the lowest, but the ratio of that to the number of total bolls were the highest in the sandy soil treatment compared with that of clay soil and loam soil treatments. Also the ratio of bolls before July Isth and from July IS to Aug. 16 to the number of total bolls were the highest, but the ratio of bolls from Aug. 16 to Aug. 25 and after Aug. 23 to the number of total bolls were the lowest in the sandy soil treatment. The number of mature bolls in unit area, the average boll weight, the lint percent, the seed cotton yield and lint yield of cotton in unit area were the highest when cotton was cultivated in loam soil, which was the lowest when cultivated in sandy soil, and the middle in clay soil. When cotton was cultivated in loam soil, the lint yield was 6. 10% and 38. 76% higher than that of clay soil and sandy soil, respectively. Lower bolls number and lower boll weight were the main reasons for the decrease of cotton yield in the sandy soil.关键词
土壤质地/棉花/成铃时空分布/产量Key words
soil texture/cotton/spatill-temporal distribution of cotton bolls/yield分类
农业科技引用本文复制引用
马宗斌,龚亚飞,韩敏,李伶俐,朱伟..不同土壤质地对棉花成铃时空分布及产量的影响[J].河南农业大学学报,2011,45(5):497-501,5.基金项目
河南省重点科技攻关项目(092102110130) （092102110130）
