1. Biological control in crop production
پدیدآورنده : edited by George C. Papavizas
کتابخانه: Central Library and Documentation Center (Kerman)
موضوع : Biological control- Congresses ، Pests - Control,Congresses ، Plants, Protection of
رده :
SB
975
.
B56
2. Crop protection in organic and low input agriculture: options for reducing agrochemical usage
پدیدآورنده : edited by Roger Unwin
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Congresses ، Plants, Protection of,Control - Congresses ، Pests
رده :
SB
950
.
A2
C76
1990
