Comparative study of organic and conventional tomato production systems: an approach to on-farm systems studies

by 118481 Shennan, C., 63371 Drinkwater, L.E., 127213 van Bruggen, A.H.C., 86242 Letourneau, D.K., 132158 Workneh, F., 15034 National Research Council, Washington, D.C. (EUA)
Published 1991