Evaluation of the nonmarket value of livestock and poultry feces returning to farmland utilization using CVM in Heilongjiang, China
Author:
Shang Jiajie, ,Xie Yongtao,Guo Lifeng,Fan Jinxia,Liu Hongxin, ,
Publisher
International Journal of Agricultural and Biological Engineering (IJABE)
Subject
General Engineering,General Agricultural and Biological Sciences