Zhu, Yu-lin; Li, Ming-jie; Hou, Mao-zhang; Li, Sha; … - In: Asian Agricultural Research 04 (2012) 11
Using the emergy analysis method, we conduct trend analysis of changes in the total emergy, input and output structure …, various emergy indicators of agro-ecosystem in Hunan Province during the period 1999-2008. The results show that during the … study period, total emergy input basically remained stable, but the emergy input structure was constantly optimized, of …
