【Key words】 paddy field; soil organic carbon; soil organic matter balance; mathematical modeling
基于8个网页-相关网页
balance soil organic matter 土壤有机质平衡
·2,447,543篇论文数据，部分数据来源于NoteExpress
Two grades of yearly input of organic fertilizer has been suggested for the organic matter balance of medium or low productive soil respectively.
提出了中、低产田在各保持两个量级有机质平衡对，每年应投入各有机物料的数量。
youdao
应用推荐
模块上移
模块下移
不移动