农药文摘机械水直播稻田杂草及其综合治理机械水直播稻改变了传统的稻作方式，具有省工、节本、高产、高效的特点，但推广面积不大，其原因主要是杂草发生严重，本场自１９８２年引进水直播稻栽培技术至今已有１０多年的历史，产量逐年提高，高产田亩产达７００ｋｇ以上，... Pesticide Abstracts Machinery Water Direct Seeding Weeds in Rice Fields and Their Integrated Management Mechanical water-seeding rice has changed the traditional rice-growing methods and has the characteristics of saving workers, saving costs, high yield and high efficiency, but the popularized area is not large. The main reasons are weeds Seriously, this field has introduced the technology of direct seeding rice in 1982 for more than 10 years since it was introduced in 1982, and the output has been increasing year by year.