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Table 2 Number of studies and their relative proportion of relevant records that reported on the use of either 1, 2 or 3 interventions to improve the productivity of field-grown tomatoes under conditions of water-, nitrogen- and/or phosphorus-deficit

From: What evidence exists on the effectiveness of the techniques and management approaches used to improve the productivity of field-grown tomatoes under conditions of water-, nitrogen- and/or phosphorus-deficit? A systematic map

Number of intervention report Number of articles Percentage of total
1 Intervention 147 50
2 Interventions 120 41
3 Interventions 24 8