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1970年,我们大队示范、推广了水稻卷秧育苗新技术,实践证明,它有早育、早插、早熟、增产、节省秧田、调剂劳力、节约种子等许多优点,特别是水稻面积大的队,卷秧插秧是一个消灭撒播稻的有力措施.但是卷秧育苗也有缺点,主要是太费塑料薄膜,经济开支大,尤其是薄膜铺底,极易变脆破损.为了解决铺底的代用品问题,1970～1971年期间,我们多次进行了用芠子、炭灰、沙子铺底,以及不铺底的试验.经过反复实践,得出了一个结论:即不管
In 1970, our brigade demonstrated and promoted the new technology of rice seedling raising. Practice has proved that it has many advantages such as early maturity, early insertion, early maturity, increased yield, seedling saving, labor adjustment and seed saving, Seedling transplanting is a powerful measure to eliminate the spreading of seeding rice.But the seedling transplanting also has its disadvantages, mainly the plastic film is too expensive, and the economic expenditure is great, especially the thin film laying is extremely brittle and damaged.In order to solve the problem of substituting substitute, 1970 Throughout the course of 1971, we carried out many tests of prickly ash, charcoal, sand, and non-paving, and came to the conclusion that no matter