直播稻作为轻型栽培技术 ,具有省工、节本、高产、高效优势 ,深受广大农户特别是种粮大户的欢迎 ,已成为浙江省水稻栽培的重要方式。２０００年全省直播稻面积达２１．６万ｈｍ２,占全省水稻播种面积的１３．５ % ,其中直播单季晚稻１４．０万ｈｍ２。由于直播稻播种量少 ,水稻 As a light-cultivation technique, direct-seeded rice has the advantage of saving workers, saving costs, high yield and high efficiency. It has been well received by farmers, especially big grain growers. It has become an important way of rice cultivation in Zhejiang Province. In 2000, the province’s direct broadcast rice area reached 216,000 hm2, accounting for 13.5% of the province’s rice sown area, of which 140,000 hm2 of live single-season late rice was broadcast. Because of direct seeding less rice, rice