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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 zoneNumber of studies
Cfa123
Dfb63
Cfb60
Dfa50
Csa35
Dfc8
Csb6
Cfb and Csa1
Cfb and Dfb1
Cfb/Cfc1
Dfa and Cfa1
Dfa and Dfb1
Dfa/Dfb1