Farmers Perception and Problems of Conservation Tillage Extension
ZHANG Er\|peng| ZHAO Xin| WEI Yan\|hua| CHEN Fu| ZHANG Hai\|lin*
. 2014, (2): 166 -173 .  DOI: 10.13304/j.nykjdb.2013.244

京ICP备12031475号-3　京公网安备11010802021197号
Copyright © Journal of Agricultural Science and Technology, All Rights Reserved.
Tel: 010-82109848　E-mail: nykjdb@163.com; nkdb@caas.cn
Powered by Beijing Magtech Co., Ltd.