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Table 4 Number of studies per climate zone in the systematic review

From: How does tillage intensity affect soil organic carbon? A systematic review

Köppen climate zone Number of studies
Cfa 123
Dfb 63
Cfb 60
Dfa 50
Csa 35
Dfc 8
Csb 6
Cfb and Csa 1
Cfb and Dfb 1
Cfb/Cfc 1
Dfa and Cfa 1
Dfa and Dfb 1
Dfa/Dfb 1