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秸秆不仅是农村的燃料、饲料和工副业原料，也是造肥还田和直接粉碎还田的极好有机物料。我们通过两年的时间，对哈尔滨市玉米产区秸秆利用状况和直接还田后的效果进行了调查，并收集参考了相关的资料，经过研究分析认为，在当前耕地严重退化的情况下，推广实施秸秆直接粉碎还
Straw is not only a fuel, feed and sideline raw material in rural areas, but also an excellent organic material for returning farmland to soil and for directly crushing and returning fields. Through two years’ time, we investigated the utilization of straw in the maize producing area of Harbin and the effect after returning directly to the soil, and collected relevant information. After research and analysis, we believe that under the current serious degradation of cultivated land, The implementation of direct straw crushed also