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本文指出双季棉在二株棉花上结三桃主要是利用早晚高低生长的时间差、空间差、地力和植株生产力的互补原理来解决棉花个体与群体、早发与迟衰、桃多与桃大等矛盾 ,从而实现三桃齐结、优质高产。文章对双季棉的产量指标、品种、密度、生育期差、株高变化、株型结构等栽培目标进行了系统规范 ,并对其应用技术作了详细论述
This paper points out that double cropping of cotton on two cotton upper knot peach mainly utilizes the principle of complementarity of time difference, space difference, soil fertility and plant productivity to make up for cotton individuals and groups, early and late decay, peach more and peach And other conflicts, in order to achieve three peach Qi knot, high-quality high-yield. The paper systematically standardizes the cultivation objectives of double cropping cotton yield index, variety, density, poor growth period, plant height variation, plant type structure, and discusses its applied technology in detail