种植绿肥在于能给农作物提供丰富的养分,特别是氮素养分和增加土壤有机质,以达到培肥改土的目的。因此,在种植和利用绿肥过程中,不仅要考虑如何种好绿肥,获得较高的鲜草产量,而且还要考虑如何压好、用好绿肥。也就是说,要掌握好绿肥的生长翻压时期,才能更好地发挥其效益,提高其利用率。 Planting green manure is to provide crops with rich nutrients, especially nitrogen nutrients and soil organic matter in order to achieve the purpose of soil improvement. Therefore, in the process of planting and using green manures, we should not only consider how to grow good green manure and get higher yield of fresh grass, but also consider how to make good use of green manure. In other words, to master the good growth of green manure in order to better play its effectiveness and improve its utilization.