论文部分内容阅读
做好三项基本工作就是选好品种、施好肥料、抓好管理。影响小麦生产的四大关键问题是寒冻害、病虫草害、干旱倒伏和干热风。以下围绕四大关键问题,就如何做好品种、肥料、管理三方面工作逐一介绍:一、选对路品种,主动减少冻害发生(一)要选好对路品种,特别冀中南地区慎用弱冬性品种,一旦选用一定要加强冬前管理,保证形成冬前壮苗;(二)要提高秸秆还田的质量,秸秆粉碎至少2遍,旋耕深度至少13厘米,同时为加快秸秆腐熟,应保持好秸秆水
Do the three basic tasks is to choose a good variety, Shi good fertilizer, good management. Four key issues affecting wheat production are frost damage, pest and disease, drought lodging and dry hot air. The following four key issues around the four key issues on how to do a good job, one by one the introduction of the work of three aspects: First, choose the right varieties, take the initiative to reduce the occurrence of frost damage (a) to choose the right varieties, especially in southern Hebei caution weak Winter varieties, once selected must be strengthened before winter management, to ensure the formation of winter seedlings; (B) to improve the quality of straw returning, straw crushed at least 2 times, rotary depth of at least 13 cm, at the same time to speed up the maturity of straw, Keep straw water