论文部分内容阅读
大豆连作对土壤徽生物生物量的影响中国人民解放军农牧大学·长春130082陈宗泽殷勤燕大豆是重要的油料作物,同时又是重要的工业原料和出口物资,实用价值在国民经济中占有极为重要的地位。近年来,地方及部队农场大豆种植面积不断扩大,重茬比例不断上升。例如,...
Effect of Soybean Continuous Cropping on Biomass of Soil Emblem Chinese People’s Liberation Army University of Agriculture and Animal Husbandry · Changchun 130082 Chen Zongze Yin Qinyan Soybean is an important oilseed crop and an important industrial raw material and export material at the same time. Practical value plays a very important role in the national economy Position. In recent years, the planting area of soybeans in local and military farms has continuously expanded, and the proportion of stubble continued to rise. E.g,...