Plant Nutrition formatIsbn:Softcover 9789401742986 Proceedings of the Conference on Pathologisches Institut der Universität Proceedings of the Conference on Oil Pollution Organized under the auspices of the International Association on Water Pollution Research and Control (IAWPRC) by the Netherlands Organization for Applied Scientific Research TNO Amsterdam A short article on some aspects of this subject was published recently (81) expansion of crop production to marginal lands and forested areas contribute to the destruction of natural ecosystems Food security and sustainability of agro ecosystems through basic and applied research