水稻浸种催芽是育秧中的重要一环 ,其成败的关键是严格掌握好水分和温度。浸种催芽多于气温尚低的３月份进行 ,故多采取覆草来保温。那么 ,覆盖什么草效果好呢？不少农户用陈稻草盖种 ,这往往会加重秧田、大田病害 ,也会加重草害。这是因为 :１、陈稻草带有多种危害水稻的病菌 Soaking rice seedling is an important part of seedling raising, the key to its success or failure is to strictly control the water and temperature. Seed soaking germination more than the temperature is still low in March, so take more grass to keep warm. So, covering what grass effect is good? Many farmers cover the seeds with Chen straw, which often aggravates the diseases of seedling and field and also increases the damage of grass. This is because: 1, Chen straw with a variety of pathogenic bacteria that endanger rice