Analysis on flow of material in Gonglian village agriculture ece-economic system

By the ways and theory on agriculture ece-economic system, in the paper, Gonglian village agriculture ece-economic systems of Hengnan county in 2002 and 2004 were selected as examples, author counted the agricultural material input and output taking N, P, K as the index to meas ure the material flows in agriculture ece-economic system, and toke analysis on function into the degree of material devotion, scale structure of devotion and the degree of input, etc.The results showed that it was high wholely that the function benefit of agriculture ece-economic system in Gonglian village, where the ecological agriculture optimization model is worthy to be promoted.