实践证明,绿肥是一种优质有机肥料,对增产粮食、改良土壤、培肥地力有显著作用。发展绿肥作物投资少,省劳力,收效快,既是从根本上解决“黑土搬家”或“黄土搬家”的好办法,又是适应农业现代化的一项战略性措施。前几年,由于“四人帮”的干扰破坏,有的地方种植 Practice has proved that green manure is a high-quality organic fertilizer, to increase grain production, improve soil fertility and fertility have a significant role. The development of green manure crops, less investment, labor-saving, quick, not only is a fundamental solution to the “black soil move” or “loess move” a good way, but also to adapt to agricultural modernization is a strategic measure. A few years ago, due to the “gang of four” interference and destruction, some places were planted