Mutsaers, H.J.W A field guide for on-farm experimentation H.J.W. Mutsaers ... [et al.]. - The Netherlands International Institute of Tropical Agriculture, c1997. - xv, 235 p. : ill., maps ; "August 1997." ISBN: 9781311258 Subjects--Topical Terms: On - farm--ExperimentationAgriculture LC Class. No.: S540.M8 Dewey Class. No.: 630/.7/24