摘要
北方春季有效积温不足、多干旱、多风,对玉米出苗、苗期生长及产量影响很大.发展覆膜栽培技术是促进北方春玉米丰产的一种有效途径.该文介绍了覆膜栽培促进玉米增产增收的原理,并从选地与整地、种子处理、品种选择、覆膜播种、放苗、水肥管理及病虫害防治几个方面对春玉米大垄双行覆膜栽培技术进行了阐述.
Abstract
In northern China,the effective accumulated temperature in spring is insufficient,drought and windy,which has a great impact on maize seedling emergence,seedling growth and yield.The development of film mulching cultivation technology is an effective way to promote the high yield of spring maize in northern China.This paper introduced the principle of film mulching cultivation to promote the increase of maize yield and income,and expounded the technology of two row with big ridge in film mulching cultivation of spring maize from the aspects of land selection and preparation,seed treatment,variety selection,film mulching sowing,seedling release,water and fertilizer management and pest control.
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