论文部分内容阅读
目前,棉花已将陆续进入吐絮期,我省这个时期一般从九月中下旬开始,一直延续到十一月上旬。因此,抓好这个时期的管理是丰产增收的重要环节根据今年的特点,应从以下几个方面抓紧抓好管理。一、保蕾。据气象资料记栽,我省主要产棉区,常年降霜期多在十月下旬。为了充分利用地力、光能和时间,保蕾提高产量,应把摘除无效花蕾的时间,推迟到九月五日以前。按这个时间计算,到十月下旬已有40—50天的铃期,即使遇霜不能开裂,仍能获得一定的产量。二、保叶。这是当前管理的头等大事,必须做好两方面的工作;①防治造桥虫。今年造桥虫发生普遍严重,可用800倍乐果乳剂连续
At present, cotton has been gradually into the boll opening period, our province during this period generally from late September, has been extended to early November. Therefore, a good grasp of the management of this period is an important part of high yield and income According to this year’s characteristics, we should pay close attention to the following aspects of management. First, Paul Lei. According to the meteorological data recorded planted, the main cotton producing areas in our province, perennial frost-reducing period and more in late October. In order to make full use of geo-energy, light energy and time, Baolai should increase its output and postpone the removal of invalid flower buds until September 5. Calculated at this time, by the end of October there has been a 40-50 day bell, even in the event of frost can not crack, still can get a certain yield. Second, Paul leaves. This is the top management priority, we must do a good job in two aspects; This year the incidence of bridge worms generally serious, available 800 times dimethoate emulsion