Open AccessEconomic benefits comparison of two pig breeding cycle modes -- Taking Liaoning Province as an example
Author(s) -
Yunan Xue,
Wang Hui,
Yu Ma
Publication year - 2018
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/108/4/042068
Subject(s) - biogas , circular economy , agriculture , pollution , environmental pollution , raw material , environmental science , natural resource economics , greenhouse gas , pig breeding , environmental protection , agricultural economics , business , environmental engineering , agricultural science , economics , waste management , engineering , ecology , biology