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Chinese Journal of Applied Ecology ›› 2003, Vol. ›› Issue (10): 1669-1672.

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Change of farmyard manure application in Shaanxi Province

BAO Xuemei1, ZHANG Fusuo1, MA Wenqi2, XU Wenhua 3   

  1. 1. Department of Plant Nutrition, China Agricultural University, Beijing 100094, China;
    2. College of Resource and Environmental Science, Hebei Agricultural University, Banding 071001, China;
    3. Soil and Fertilizer Station of Shanxi Province, Xi'an 710003, China
  • Received:2001-11-02 Revised:2002-03-15 Online:2003-10-15

Abstract: The change of farmyard manure (FYM) application in Shaanxi Province since 1986 was analyzed.The proportion of farmyard manure application to total nutrient decreased gradually with years, and was only 46.9% in 2000, which was reduced hy 23% compared to the figure in 1986.Soil fertility was gradually reduced, and potassium shortage appeared in farmlands of some regions.The farmyard manure were consumed mainly on grain crops in terms of overall amount of manure inputs, hut application rates of manure to fruit trees and vegetahlcs were higher than that of grain crops in terms of per unit area.Consumption of manure obviously increased in apple since middle of 1990's.The reason of the FYM consumption decrease was also analyzed, and some suggestions were made.

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