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cje ›› 1983, Vol. ›› Issue (4): 42-42,54.

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Planting duckweed in rice field can maintain ecological equilibrium

Cui Changyuan   

  • Received:1983-03-15 Online:1983-10-10

Abstract: From the results of many years' field experiments, the author concludes that Planting duckweed in rice field can increase soil nutrients and inhibit weed growth, being an effective measure for the control of environmental pollution.

Key words: Cu, As, Wheat, Eco physiological index