关键词: 四川盆地, 水稻, 电动抛撒器, 喷直播技术

Abstract: Direct seeding is one of the important directions for the development of rice production. Since 2008, the authors have carried out the research and demonstration of the direct seeding technology under different stubble in Sichuan basin, and have formed an efficient, labor saving and good operability direct seeding technology with motor spurt. The electric seeding dispenser can work for more than 8 hours on one charge, each electric dispenser can sow about 2.6 hm2 per day, and has a good uniformity. From 2012 to 2019, there were more than 70,000 hm2 have been demonstrated in Nanchong, Suining, Luzhou and Deyang, etc., which increased the rice grain yield by 5%~10% compared with local farmers' hand-transplanted seedlings and saved 45 labors per hm2 and increased income more than 3,750 yuan, which was welcomed by farmers. The key measures of this technology including: ensuring the convenience of drainage and irrigation, avoiding the harm of extreme high and low temperature, preventing the birds from eating rice seeds after sowing, controling the weeds in the field after sowing, and preventing the lodging during grain filling. No matter it is winter water （idle） field or wheat （rape or vegetable） stubble field, as long as there is water source guarantee condition, the early, middle and late rice varieties could be used for direct seeding after the previous harvest, the development prospect is very broad.

Key words: Sichuan basin, rice, electric seeding dispenser, direct seeding technology