1. Cycling of mineral nutrients in agricultural ecosystems : first international environmental symposium of the Royal Netherlands Land Development Society )Koninklijke Nederlandsche Heide Maatschappij(, co-sponsored by the International Association for Ecology )INTECOL( and Elsevier Scientific Publishing Company
Author: M. J. Frissel, editor ; with contributions by J. P. N. Damen ... )et al.(
Library: Central Library and Documentation Center (Kerman)
Subject: Congresses ، Agricultural ecology,Congresses ، Mineral cycle )Biogeochemistry(,Congresses ، Fertilizers - Environmental aspects
Classification :
S
589
.
7
.
S9
1976
