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为全面摸清沼肥这一无公害有机肥的肥效,掌握其施用时期,施用方法及使用量,为大面积推广应用提供科学依据,在实施蔬菜作物上施用沼肥的基础上,今年我们又在粮食作物夏玉米上安排了本试验。目前试验工作已全部结束,现将其总结如下:一、试验材料及设计1、试验材料。供试肥料分别为:山西焦化厂生产的46%尿素;
In order to fully understand the effect of marsh manure on pollution-free organic manure, grasp its application period, application method and amount, provide scientific basis for large-scale popularization and application. On the basis of applying marsh manure on vegetable crops, The test was arranged on summer corn, a food crop. The current test work has been completed, now summarized as follows: First, the test materials and design 1, test materials. The test fertilizers were: 46% urea produced by Shanxi Coking Plant;