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Table 7 The number of studies included in the systematic map investigating tillage interventions

From: What are the effects of agricultural management on soil organic carbon in boreo-temperate systems?

Intervention No. of studies
No tillage (zero) vs:  
 Reduced tillage (minimum/conservation/disc/chisel/harrow/mulch/ridge) 103
 Conventional (traditional) tillage (mouldboard) 255
 Rotational tillage (occasional) 9
 Subsoiling (>30 cm depth conventional tillage) 7
Reduced tillage (minimum/conservation/disc/chisel/harrow/mulch/ridge) vs:  
 Conventional (traditional) tillage (mouldboard) 129
 Rotational tillage (occasional) 2
 Subsoiling (>30 cm depth conventional tillage) 7
Conventional (traditional) tillage (mouldboard) vs:  
 Rotational tillage (occasional) 1
 Subsoiling (>30 cm depth conventional tillage) 8
Rotational tillage (occasional) vs:  
 Subsoiling (>30 cm depth conventional tillage) 0