Is a protein -rich perennial leguminous plant and the crude protein content of dry matter is always around 20%.
是一种蛋白含量很高的多年生豆科植物，干物质蛋白质含量通常在20%左右。
Dry matter, Protein and oil accumulations in seeds of soybeans, under different density and nitrogen top-dressing treatments, were studied.
本试验研究了大豆在不同密度和施氮量处理下，子粒中干物质、蛋白质和脂肪积累的动态变化。
Water deficit at jointing stage affected mostly dry matter accumulation.
拔节期水分亏缺对干物质累积量影响最大。
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