1. Ecology of Arable Land -- Perspectives and Challenges :
Author: edited by M. Clarholm, L. Bergström.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Geochemistry.,Soil conservation.
Classification :
S589
.
7
E358
1989
2. Ecology of Arable land; perspectives and challenges
Author: edited by M. clarholm and L. Bergstrom
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Congresses ، Agricultural ecology
Classification :
S
589
.
7
.
E26
1989
3. disinfeca%
Author: edited by M. Clarholm and L. Bergstrom
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Agricultural ecology - congresses,Soil ecology - congresses,Plant - soil relationships - congresses
Classification :
S
589
.
7
.
E26
1989