冬小麦在春季两极分化期的合理促控和病虫草防治,是确保后期获得饱满籽粒丰产丰收的基础,两者缺一不可。因而这里着重介绍当前生产上冬小麦春季管理措施和病虫草害防治方法:一、冬小麦春季管理措施冬小麦返青后,进入营养生长和生殖生长并进阶段,根茎叶生长与幼穗分化同时进 The reasonable promotion and control of winter wheat in the spring polarization period and the control of pests and weeds are the basis for ensuring abundant bumper harvest after harvest in the later stage. Therefore, the current production of winter wheat in spring management measures and pest and weed control methods: First, the winter wheat spring management measures Winter wheat back to green, enter the vegetative and reproductive growth and advanced stage, root and shoot growth and spike differentiation at the same time