看了这个题目,有些人会惊奇:送粪就是用车往地里拉粪呗,有什么好议的?其实不然,送粪当中也有学问,有些人不知道这方面的知识,每年在送粪这项农活中,不知不觉就丢掉一些粮食。这话怎么讲呢?原来,粪拉到地里,由于暴露在空气中,风吹日晒,粪中的养分会很快损失。据试验,农家肥在堆放过程中,封盖堆积的氮素损失10％.露天不封盖的损失30％,薄层 Read this topic, some people will be surprised: manure is to use the car to the ground pulling dung, what advice? In actual fact, there are also learned to send manure, and some people do not know this knowledge, every year to send manure In agricultural work, some food is lost unknowingly. How to say this? It turned out that manure pulled into the ground, due to exposure to the air, the wind and the sun, the nutrients in the dung will soon be lost. According to the experiment, the manure fertilizer in the stacking process, the cover of the accumulation of nitrogen loss of 10% .Open uncovered loss of 30%, thin layer