Open AccessCurrent Status of Rational Anniversary Utilization of Existing Vegetable Protection Facilities in Hainan
Author(s) -
德明 李
Publication year - 2018
Publication title -
shi jie sheng tai xue
Language(s) - English
Resource type - Journals
eISSN - 2324-7967
pISSN - 2324-7975
DOI - 10.12677/ije.2018.71001
Subject(s) - current (fluid) , business , agricultural economics , engineering , economics , electrical engineering