我团种植水稻已有30多年历史,前20年平均单产92.65斤;七十年代平均单产304公斤;八十年代以来的几年,全团水稻播种面积每年4.5万亩左右,单产在500公斤上下,而且每年都有单产650公斤以上的条田。如何进一步提高水稻产量,是我团生产实践中亟待解决的问题。为此,本文利用丰产 I regiment has been growing rice more than 30 years of history, with an average yield of 92.65 kg in the first two decades; an average yield of 304 kg in the seventies; and a seeding area of ​​45,000 mu per year since the 1980s, with a yield of about 500 kg , And each year yields more than 650 kilograms of fields. How to further increase the yield of rice is a problem to be solved urgently in the production practice of our regiment. To this end, this article uses high yield