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早稻是江西省水稻的主要栽培类型之一 ,在粮食生产中占有重要的地位。 2 0世纪 6 0~ 80年代其种植面积占水稻面积的 5 0 %左右 ;新中国成立初期 ,江西早稻种植面积仅 10 2 .5 4万hm2 。其后随着矮秆早熟育种的突破及耕作制度的变革 ,早稻面积迅速扩大 ,6 0年代和 70年代年均
Early rice is one of the main rice cultivation types in Jiangxi Province and occupies an important position in grain production. During the 1960s and 1980s, the cultivated area accounted for about 50% of the paddy area. In the early days of the People’s Republic of China, the area for early rice cultivation in Jiangxi Province was only 102.54 million hm2. Subsequently, with the breakthrough of dwarf and precocious breeding and the reform of cultivation system, the area of early rice rapidly expanded and the average annual average in 1960s and 1970s