The Economic Efficiency Influence of Different Mechanical Planting Patterns on Rice in Zhaoqing City
张稳成 邝健霞 齐龙 李泽华 刘鸿萍 马旭 梁仲维
Chinese Agricultural Science Bulletin . 2013, (17): 161 -165 .  DOI: 10.11924/j.issn.1000-6850.2013-0699