川中丘区不同耕作处理对玉米干物质积累转运和产量的影响
吴永成
Effect of Different Tillage Treatment on the Accumulation of Dry Matter and Yield of Maize in the Middle of Sichuan Hilly Basin
WU YongCheng
四川农业大学学报 . 2010, (03): 276 -279 .