【摘要】 介绍了沿江地区直播稻应用面积逐年扩大、主体品种较为明确、产量及效益较为显著的应用现状,并对直播稻不推自广成因进行了阐述;同时指出直播稻生产中存在的播后多种因素影响出苗、除草技术要求高、防倒措施不可忽视、"杂草稻"清除比较难等问题;提出精整抢播、科学用药、合理肥水运筹、采取综合措施防治"杂草稻"等对策。更多还原

【Abstract】 The higher yield and benefit lead to the increase of direct sowing rice planting area in Yangtze Riverside.The problems existing in direct sowing rice production are hard seedling emergence due to limiting factors,difficulty to control weedy rice and other weeds are pointed out.Finally,the countermeasures,that is,careful tillage and timely sowing,scientific herbicide application and rational irrigation and fertilization are put forward.更多还原