摘要
论述了膜下滴灌棉花高产群体质量诊断的主要指标及群体优化调控途径。描述膜下滴灌棉花高产群体质量的主要指标有 :高产群体光合速率与合理的叶面积指数发展动态、协调的群体干物质积累与分配、单位面积的总铃数和成铃率以及适宜 LAI条件下的铃叶比等。水、肥调控和化学调控技术对膜下滴灌棉花高产群体质量的建成具有十分重要的意义。
This paper reviewed the key diagnostic index and optimized regulating route of high yield population quality about mulch drip irrigation cotton. The diagnostic indices are as follows: the great ability of crop apparent photosynthesis(CAP) and proper leaf area index(LAI), high accumulation and distribution of dry matter, high total boll numbers per area, high ratio of boll numbers to leaf area under reasonable LAI, et al. It is very important that regulating techniques of water fertilizer and chemistry hormone have already been used to mulch drip irrigation cotton.
出处
《棉花学报》
CSCD
北大核心
2002年第5期300-304,共5页
Cotton Science
基金
大学自然基金 ( 2 0 0 2 2 0 )
关键词
诊断指标
棉花
膜下滴膜
群体质量
调控技术
cotton
mulch drip irrigation
population quality
regulating technique
