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2001•Heilongjiang Agricultural ScienceRequires access

Effect of Potassium on the Physiology, Yield and Quality of Soybean

Shu Zheng

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Abstract

The effect of potassium on the physiology, yield and quality of soybean was studied in pot and field experiments. The result showed that potassium had a positive effect on the content of chlorophyll, the intensity of photosynthesis and the activity of nitrate reductase in soybean and a good effect on the yield and quality of soybean. With potassium application, the yield of soybean increased by 7.6-16.9% and 4.1-14.9% in pot experiment and field experiment respectively. The application of potassium fertilizer had a positive effect on oil content and a negative effect on protein content of soybean.

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What this paper is about

The effect of potassium on the physiology, yield and quality of soybean was studied in pot and field experiments. The result showed that potassium had a positive effect on the content of chlorophyll, the intensity of photosynthesis and the activity of nitrate reductase in soybean and a good effect on the yield and quality of soybean. With potassium application, the yield of soybean increased by 7.6-16.9% and 4.1-14.9% in pot experiment and field experiment respectively. The application of potassium fertilizer had a positive effect on oil content and a negative effect on protein content of soybean.

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Available abstract

The effect of potassium on the physiology, yield and quality of soybean was studied in pot and field experiments. The result showed that potassium had a positive effect on the content of chlorophyll, the intensity of photosynthesis and the activity of nitrate reductase in soybean and a good effect on the yield and quality of soybean. With potassium application, the yield of soybean increased by 7.6-16.9% and 4.1-14.9% in pot experiment and field experiment respectively. The application of potassium fertilizer had a positive effect on oil content and a negative effect on protein content of soybean.

Key concepts: Potassium, Nitrate reductase, Yield (engineering), Potash, Agronomy, Chemistry, Field experiment, Fertilizer

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