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作物高产栽培与生理生化研究再生稻生理研究初报····一·~·”·“·~·”····~·~·”···~··一·一·”·“···””··“·一·…..3(23)春小麦穗分化的特点及其与高产栽培的关系·一~·一·····“·~··”····“·一·”·”·一1(1)北京地区冬小
Crop High Yield Cultivation and Physiological and Biochemical Research Introduction of Physiological and Physiological Properties of Ratooning Rice ······························ · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · " ···· ···· ······································································································. · · · · · · 1 1 (1) Winter in Beijing