不同农田管理措施对土壤碳排放强度影响的Meta分析

李寒冰,金晓斌,杨绪红,徐伟义,周寅康

Meta-analysis of the effects of different farmland management measures on soil carbon intensity

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图1 2003—2018年有效文献数量

Figure 1 The number of valid documents, 2003-2018