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TableĀ 3 Elements of the systematic map research question

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 protocol

Population Intervention Comparator Outcomes
Tomatoes (commercial crop) Strategies addressing water-, nitrogen- and phosphorus- use-efficiency in the field Current or standard practices or no water-, nitrogen- nor phosphorus-deficit stress Productivity effects, either positive or negative, of the interventions on tomato crops