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随着直播稻种植面积的不断扩大和栽培技术不断改革,田间草相也随生态条件的不同而发生变化。水稻前期干湿栽培,十分有利于禾本科千金子、稗草萌发生长。直播稻田杂草危害已成为阻碍直播稻优质高产和大面积推广应用的主要障碍。2007年按江苏省植保站要求,用美国陶氏益农公司开发研制的10%千金乳油和2.5%稻杰乳油进行田间大区示范应
With the continuous planting area of direct seeding rice and continuous reforming of cultivation techniques, the variation of field and grass facies also varies with different ecological conditions. Early wet and dry rice cultivation, is very conducive to the stem grass gold, barnyard grass germination and growth. The direct damage of weed in direct-seeded rice fields has become a major obstacle to the promotion and application of direct-seeded rice of good quality, high yield and large area. In 2007, according to the requirements of the Plant Protection Station of Jiangsu Province, Demonstration of field area should be conducted with 10% daughter milk and 2.5% rice fat EC developed by Dow AgroSciences