对大豆不同生育期地上部植株干物质动态和氮素积累与转运动态变化进行试验研究。
The dynamic of dry matter in upside-plant and the dynamic change of nitrogen accumulation and translocation on different development stage of soybean were studied.
了解牧草中植物雌激素的种类、含量以及不同生育期的含量变化，在畜牧生产中对安全有效地利用牧草以及植物雌激素具有重要意义。
So understanding kinds and content variation of phytoestrogen at the different growth stage is significant to the efficient use of pasture and phytoestrogens in animal production.
整个植株的干物质含量都随生育期的增加而增加的，变化趋势与块茎的相一致。
The change trend of dry mater content does not comply with the tuber 's.
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