试验在稻麦水旱轮作田中进行,前作水稻亩产千斤,面积4.3亩,供试面积三亩,品种《百泉565》,于1980年10月16日播种,播种量按每亩基本苗10万、15万、20万的要求,分别播种各一亩。厢宽9尺,精量匀播,每亩10厢。水稻收后,每亩撒施青草圈粪6000斤,用拖拉机带旋耕犁翻一次,再撒放灰肥1千斤, Experiments were carried out in paddy and rice fields with crop rotation and paddy field. Before the rice yield was mu, the area was 4.3 mu and the area for testing was 3 mu. The variety “Baiquan 565” was sown on October 16, 1980. The sowing rate was 10 mu Wan, 150,000, 200,000 requests, respectively, sowing each acre. Car width 9 feet, precision uniform broadcasting, 10 cars per acre. After harvesting rice, acre grass sprinkling 6000 kg circle, with a plow with a tractor plow turn once again put a kilogram of ash,