山一村农业生态系统营养物质循环

Abstract

Abstract: Nitrogen,phosphorus and potassiun1 nutrientscycles in the subsystems of farmland,hilly area and waterbodyat Shanyi Village of Xiaoshan City in Zhejiang province werestudied. The resuIts indicated that the soil organic matter content in the village was relatively rich; the inorganic nitrogenfertilizer was overused with N loss;the totai input of P fertilizer was far lower that of total output,and the K input was alsoIow,The waterbedy has been eutrophicated and fish growthcoefficient was 2.96.

Key words: agricuItural ecosysterm, nutrient cycle, soil, waterbody, N, P, k, Xiaoshan City of Zhejiang Province

CLC Number:

S181

WANG Zheng-Hua, SHAO Wen-Liang. Nutrient cycle in agriculturat erosystem of Shanyi ViIlage[J]. Journal of Ecology and Rural Environment, 1994, 10(2): 57-60.

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Nutrient cycle in agriculturat erosystem of Shanyi ViIlage

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