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Table 3 Number of studies for each of the five different types of fertilisation intervention identified

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

Type of fertilisation intervention Number of studies Percentage of total
Rate of fertilisation 44 44
Type of fertiliser 27 27
Application location 10 10
Mode of application 13 13
Others 5 5
Total 101 100%