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香两优１３９是湖南省农科院水稻所近年选育的亚种间两系高产优质新组合。为了探索其适宜的高产栽培技术，益阳市农科所于１９９９年进行了不同密度对香两优１３９的生理影响的栽培试验，以期为该组合的高产栽培和推广应用提供科学依据。１处理方法试验设５个处理，即移栽密度
Xiang Liangyou 139 is a new combination of two lines of high yield and quality among subspecies breeding rice in Hunan Academy of Agricultural Sciences in recent years. In order to explore its suitable high-yielding cultivation techniques, Yiyang Academy of Agricultural Sciences in 1999 conducted a different density of Xiangliangyou 139 physiological effects of cultivation experiments, with a view to the combination of high-yielding cultivation and popularization and application of scientific basis. 1 treatment method set up five tests, that is, transplanting density