Penetration resistance: A practical guide for comparing crop management practices. 2013. Verhulst, N.;Cox, R.; Govaerts, B. Mexico, DF (Mexico): CIMMYT 4 p.
This material was developed under the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS) and partly funded by ‘Desarrollo sustentable con el productor’, part of ‘Modernización Sustentable de la Agricultura Tradicional’, supported by SAGARPA.
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