Open AccessInfluence of investment gap in farmland water conservancy infrastructure on the loss of grain production efficiency
Author(s) -
Changzheng ZHANG,
Jiawen LI,
Jie Sun
Publication year - 2022
Publication title -
ziyuan kexue
Language(s) - English
Resource type - Journals
ISSN - 1007-7588
DOI - 10.18402/resci.2022.01.13
Subject(s) - business , investment (military) , production (economics) , water infrastructure , agricultural economics , natural resource economics , environmental science , economics , water supply , environmental engineering , politics , political science , law , macroeconomics