结果表明，（1）高产棉田花铃期棉叶夜晚呼吸消耗比普通棉田低26．2％，但白天净光合总量比普通棉田高46．1％。
The results showed that (1) The R of high yield cotton was 26 2% lower than that of common cotton (CK) in night time, but total photosynthetic amount was 46 1% higher at bearing boll period.
通过在棉花生育期喷施不同种类农药，试验测定棉叶内过氧化氢酶、过氧化物酶活性的变化趋势。
Effects of agrochemicals on activity of catalase, peroxidase in cotton are conducted by a trial with spraying several pesticides over cotton.
应用模糊聚类方法，对阿克苏市当前棉花生产水平下地膜棉播期气象年型进行分类。
The meteorological conditions at seed-time of cotton covered with plastics film at present productive level in Akesu are grouped with fuzzy method.
以海岛棉新海 16号为材料 ，研究了不同打顶期对产量和纤维品质的影响。
The influence of different tip pruning times on yield and fiber quality was studied with the island cotton Xinhai16.
与此相反，棉花所吸收的氮量和肥料氮利用率均比纯作春棉降低，收获期有较多的氮素滞留于营养器官和铃壳中。
On the contrary, N utilization and absorption by cotton decreased. At harvest, a higher percentage of nitrogen remained in vegetative organs.
通过对5个海岛棉品种土壤水分动态变化分析研究，结果表明，不同海岛棉品种各生育期土壤含水量、土壤蓄水量以及水分利用效率存在差异。
The dynamic change of soil water of 5 island cottons was studied, The results show that there are distinct difference in soil water content and water use efficiency among different varieties.
通过第一次收花率、生育期、营养生长期与生殖生长期比较等性状总结了我国短季棉早熟性育种的成效。
The problem of earliness with decrepitude has worse effect on the yield in the short-season cotton in our country.
通过第一次收花率、生育期、营养生长期与生殖生长期比较等性状总结了我国短季棉早熟性育种的成效。
The problem of earliness with decrepitude has worse effect on the yield in the short-season cotton in our country.
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