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水稻旱种栽培法,是劳动农民同旱灾斗争中创造的栽培方法。黑龙江省农业科研部门和技术推广部门在五十年代经过调查总结和试验研究,曾将这种方法整理成水稻旱直播机械栽培三种方法之一,在生产上有一定面积。但由于当时机具和化学除草剂等条件的限制,整地质量不好,保苗较差,草荒较重,这种栽培方法未能持续发展和提高。进入七十年代以后,情况有了变化:(1)由于农田基本建设的开展,稻田土地条件有了很
Dry cultivation of rice is a cultivation method created by the laborers in the fight against the drought. Heilongjiang Province agricultural research departments and technology promotion departments in the fifties after investigation concluded and experimental study, this method has been organized into rice dry direct seeding machinery cultivation of one of three methods in the production of a certain area. However, due to the limitation of the equipment and chemical herbicides at that time, the quality of soil preparation was poor, the seedling protection was poor and the grassland was heavy. This cultivation method failed to develop and improve continuously. After entering the seventies, the situation has changed: (1) due to the development of farmland infrastructure, paddy land conditions have been very