农田土壤有机碳管理与有机质平衡算法

张维理,KOLBEH,张认连,冀宏杰

Soil Organic Carbon Management and Farmland Organic Matter Balance Method

WeiLi ZHANG,H KOLBE,RenLian ZHANG,HongJie JI

表9 样例计算—有机质收支平衡计算

Table 9 Example——Balance of organic matter input and expenditure

项目 Item 有机质碳当量 Heq (Corg kg·hm-2) 作物有机质碳当量合计值 Sum of crop Heq in whole rotation -640 有机肥的有机质碳当量合计值 Organic fertilizer Heq sum 1130 整个轮作的有机质碳当量收支计算 Balance of Heq input and expenditure in whole rotation 490 一年的有机质碳当量收支计算 Balance of Heq input and expenditure in one year 82