The Effect of Eco-Environmental Factors on Symbiotic N-Fixation and Seed Yield of Soybean

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cje ›› 1985, Vol. ›› Issue (5): 1-5,32.

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The Effect of Eco-Environmental Factors on Symbiotic N-Fixation and Seed Yield of Soybean

Lin Jishang¹, Lu Fengyong¹, Xue Delin¹, Qi Bo¹, Wang Shujin¹, Wang Deming², Li Qingrui²

1. Institute of Forestry and Soil Science, Academia Sinica;
2. 850 State Farm of Heilongjiang Province

Received:1985-05-04 Online:1985-10-10

Abstract

Abstract: It's shown that when soybean is inoculated with R.japonicum which has a high nitroge-nase activity, its seed yield is 19.8% higher than that infected by indigenous R.japonicum. During its seed-filling stage,photosynthetic rate of leaves and nitrogenase activity of nodules are significantly greater than control.Regressive equations indicating the effect of each eco-environmental factor on symbiotic N-fixation and seed yield of soybean are obtained.

Key words: Planting generation, Chinese fir, Nutrient accumulation, Soil degradation

Lin Jishang, Lu Fengyong, Xue Delin, Qi Bo, Wang Shujin, Wang Deming, Li Qingrui. The Effect of Eco-Environmental Factors on Symbiotic N-Fixation and Seed Yield of Soybean[J]. cje, 1985, (5): 1-5,32.

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The Effect of Eco-Environmental Factors on Symbiotic N-Fixation and Seed Yield of Soybean

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