Applications of systems approaches at the field level

Applications of systems approaches at the field level Kropff, M. J. creator ed. Vanlaar, H. H. ed. Teng, P. S. ed. Aggarwal, P. K. ed. Bouma, J. ed. Bouman, B. A. M. ed./Jones, J. W. ed. Netherlands Kluwer Academic Publishers 1997 1997 xi,465p. 25cm AGRICULTURE AND RELATED TECHNOLOGY EDUCATIONS , RESEARCH, PRINCIPLES 630.7 APP Systems approaches for sustainable agriculture development series 0792342860