水直播稻田常规的化除对策是先在水稻播种前封草，再在苗后杀草的封杀型化除措施，带来的矛盾是播种季节异常紧张。为此，笔者于１９９４年开始，从水直播稻田杂草发生规律调查开始，进行水稻播后化除技术的试验、示范。针对不同杂草群落组配了相应的化除新对策，并改进了... The routine countermeasures for water-direct rice paddies are to seal the rice prior to sowing and then to kill the grasses after seeding. The contradiction is that the sowing season is extremely tense. To this end, the author began in 1994, from the direct seeding of rice weeds survey began, the technology of rice sowing in addition to the test, demonstration. For different weed communities with the corresponding group of new measures to eliminate and improve ...