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Table 6 Three most frequently studied crops compared to area cultivated globally

From: What evidence exists for the effectiveness of on-farm conservation land management strategies for preserving ecosystem services in developing countries? A systematic map

Most frequently studied crops % studies No. studies % of global cultivated areaa 2014 global acreage (m. ha) Source
Maize (Zea mays) 18.5 285 12.3 184 International service for the acquisition of agri-biotech applications, 2014
Rice (Oryza sativa L.) 11.9 183 10.7 160.6 US Dept Agric, Statistica 2015
Wheat (Triticum) 9.9 152 14.3 215 CGIAR 2015
  1. The table shows the proportion of studies on three staple crops in relation to the proportion of land cultivated globally (shown in italic)
  2. aTotal cultivated area of crops is 1500 mha [3, 52, 53]