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直播栽培法直播栽培法和移栽比较,播种时的本田,有旱直播和水直播.在西南暖和的地区直播栽培已广泛普及.但是,在寒冷的地区直播栽培还有很多问题,推广面积不大.其中最大的问题是开始播种到秧苗初期生育期间的气候条件不好,温度低,保苗数不稳定,生长不良,特别是初期生长缓慢出穗晚是个最大的问题.还有鸟害未能解决而又是必须解决的问题.近年来由于迫切需要生产高产稻米,这些对直播栽培法带
Direct seeding cultivation method of direct seeding cultivation and transplanting comparison, when the Honda sowing, direct seeding and direct seeding water.In the southwest of the direct seeding cultivation has been widespread, but there are many aspects of direct seeding cultivation in cold areas, the promotion of the area is not The biggest problem is that the biggest problem is the bad weather, the low temperature, the instability of seedling, the poor growth, especially the slow growth of ear emergence at early stage, which is the biggest problem when starting sowing to the early growth stage of seedling. The solution is the problem that must be solved. In recent years, due to the urgent need to produce high-yielding rice,