稻草直接还田的生态效益和增产效果,愈来愈为人们所认识。它不仅可以有效地补充晚稻生长所需要的硅和钾等营养元素,而且还具有改善土壤物理性状、固定和保存氮素营养等作用。但稻草直接还田要发挥应有的作用,在施用时必须配合做好以下几项措施。一、配合施用一定量的碳酸氢铵大家知道:稻草的腐解要靠大 The direct benefits of straw to the ecological benefits and increase production efficiency, more and more people know. It not only can effectively supplement the nutrients such as silicon and potassium needed for the growth of late rice, but also has the functions of improving soil physical properties, fixing and preserving nitrogen nutrition. However, direct straw to play its due role, in the application must cooperate with the following measures. First, with the application of a certain amount of ammonium bicarbonate We all know: the decomposition of straw rely on large