ENERGY ANALYSIS OF AGRICULTURAL ECOLOGICAL SYSTEM BY THE DATA FROM TYPICAL PEASANT HOUSEHOLDS OF JIANGSU PROVINCE

The paper analyses the energy input and output in the agricultural ecological system with the data to be collected from several typical peasant households after the contract farm system to be carried out in Jiangsu province.on the energy point of view, the paper puts forward the fundamental features of this ecological system . Based on these fundamental features the paper analyses and explores the rational energy flow of a whole village in Jiangsu province, PRC.