1. Carbon and nutrient dynamics in natural and agricultural tropical ecosystems
پدیدآورنده : edited by L. Bergstrom and H. Kirchmann
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Congresses ، Crops and soils,Congresses ، Soil fertility,Carbon content -- Congresses ، Soils,Nitrogen content -- Congresses ، Soils,Congresses ، Agricultural ecology
رده :
S
596
.
7
.
C37
1998
2. Carbon and nutrient dynamics in natural and agricultural tropical ecosystems
پدیدآورنده : edited by L. Bergstrom and H. Kirchmann
کتابخانه: (Semnan)
موضوع : Congresses ، Crops and soils,Congresses ، Soil fertility,Carbon content Congresses ، Soils,Nitrogen content Congresses ، Soils,Congresses ، Agricultural ecology
رده :
S
596
.
7
.
C37
3. Carbon and nutrient dynamics in natural and agricultural tropical ecosystems
پدیدآورنده : edited by L. Bergstrom and H. Kirchmann
کتابخانه: (Semnan)
موضوع : ، Crops and soils - congresses,، Soil fertility - congresses,، Soils - corbon content - congresses,، Soils - Nitrogen content - congresses,، Agricultural ecology - congresses
رده :
S
596
.
7
.
C37