ANALYSES OF THE CHARACTERISTIC OF ENERGY AND MATTER CONVERSIONS IN ANIMAL HUSBANDRY SUBSYSTEM IN XIAOZHANGZHUANG VILLAGE, YINGSHAN COUNTY, ANHUIPROVINCE
XIE Xian-Zheng, WANG Ying, JIANG Zong-Hao, CHEN Zhong-Zhen
Journal of Ecology and Rural Environment . 1990, (3): 31 -36 .