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随着人口增加和耕地的锐减，人口与土地、粮食的矛盾越来越突出，如何利用有限的自然资源和先进的科学技术来解决这一矛盾，则是农业生产和农业科技人员亟待研究解决的问题。地膜玉米套种冬油菜再复种地膜马铃薯栽培技术是在现有土壤、施肥和栽培技术水平条件下，经过多年的试
With the increase of population and the sharp reduction of cultivated land, the contradiction between population and land and grain becomes more and more prominent. How to use limited natural resources and advanced science and technology to solve this contradiction is that agricultural production and agricultural science and technology personnel need to be studied urgently The problem. Mulching mulching corn rapeseed re-mulching film potato cultivation technology is in the existing soil, fertilizer and cultivation techniques under the conditions of, after years of trial