1. ......................
Author: Organized by the joint FAO/IAEA Division of Atomic Energy in Food and Agriculture and held in Sofia, 1-5 December 9691
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Nitrogen fertilizers,Isotopes ، Nitrogen,Research ، Fertilizers and manures
Classification :
S
651
.
I5
2. Agricultural Nitrogen Use & its Environmental Implications
Author: editors Y. P. Abrol, N Raghuram, M. S. Sachdev
Library: Central Library and Information Center of Shahed University (Tehran)
Subject: Nitrogen fertilizers -- India
Classification :
S
،
619
،.
A4
،
2007
3. Agricultural nitrogen use & its environmental implications
Author: editors, Y.P. Abrol, N. Raghuram, M.S. Sachdev
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Environmental aspects -- India ، Nitrogen fertilizers
Classification :
S
651
.
A38
2007
4. Agriculture and the nitrogen cycl
Author: / edited by Arvin Mosier, J. Keith Syers, and John R. Freney
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Nitrogen fertilizers.,Nitrogen fertilizers--Environmental aspects,Nitrogen cycle.
Classification :
S
,
651
,.
A32
,
2004eb
5. Agriculture and the nitrogen cycle :
Author:
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Nitrogen fertilizers. ;
6. Agriculture and the nitrogen cycle :
Author: edited by Arvin Mosier, J. Keith Syers, and John R. Freney.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Nitrogen cycle.,Nitrogen fertilizers-- Environmental aspects.,Nitrogen fertilizers.,Kunstmest.,Landbouw.,Nitrogen cycle.,Nitrogen fertilizers-- Environmental aspects.,Nitrogen fertilizers.,Stikstofcyclus.,TECHNOLOGY & ENGINEERING-- Agriculture-- General.
Classification :
S651
.
A32
2004eb
7. Agriculture and the nitrogen cycle :
Author: edited by Arvin Mosier, J. Keith Syers, and John R. Freney.
Library: Central Library of college of Agriculture and Natural Resources (Alborz)
Subject: Nitrogen fertilizers.,Nitrogen fertilizers,Nitrogen cycle.,Environmental aspects.
Classification :
S
651
.
A32
2004
8. Agriculture and the nitrogen cycle. assessing the impacts of fertilizer use on food production and the environment
Author: edited by Arvin Mosier, J. Keith Syers, and John R. Freney
Library: Library of Razi Metallurgical Research Center (Tehran)
Subject: ، Nitrogen fertilizers,، Nitrogen fertilizers- Environmental aspects,، Nitrogen cycle
Classification :
S
651
.
A32
2004
9. Biological N fixation in forage-livestock systems: proceedings of a Symposium
Author: sponsored by Divisions C-3, C-6, A-4, and S-4 of the American Society of Agronomy, Crop Science Society of America and the Soil Science Society of America; editor-in-chief, Matthias Stelly
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Congresses ، Forage plants,Fixation - Congresses ، Nitrogen,Congresses ، Nitrogen fertilizers,Feeding and feeds - Congresses ، Cattle
Classification :
SB
193
.
B56
1976
10. #Biological nitrogen fixation associated with rice production
Author: #co-ordinating editor, Mustafizur Rahman , editors, Azit Kumar Podder ... ]et al.[
Library: Central Library of Esfehan University of Technology (Esfahan)
Subject: Rice- Fertilizers ،Nitrogen- Fixation ،Nitrogen-fixing plants ،Nitrogen-fixing microorganisms
Classification :
#
SB
،#.
R5
,
I715
،#
1994
11. Biology of rice-fields blue-green algae
Author: Santra, S.C.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Fertilizers ، Rice,، Nitrogen-fixing algae as fertilizer,، Cyanobacteria
Classification :
S
667
.
R5
S26
1993
12. Blue-Green algae for rice production
Author: / by G.S.Venkataraman,prepared by the FAO/UNDP Regional project for Improving soil fertility through organic Recycling
Library: Central library of Faculty of Agricultural Technology (Aburaihan) (Tehran)
Subject: Rice-Fertilizers,Nitrogen-Fixing algae as Fertilizer
Classification :
S
667
.
R5
, .
V46
13. Blue-Green algae for rice production
Author: / by G.S.Venkataraman,prepared by the FAO/UNDP Regional project for Improving soil fertility through organic Recycling
Library: Central library of Faculty of Agricultural Technology (Aburaihan) (Tehran)
Subject: Rice-Fertilizers,Nitrogen-Fixing algae as Fertilizer
Classification :
S
667
.
R5
, .
V46
14. Blue-Green algae for rice production
Author: / by G.S.Venkataraman,prepared by the FAO/UNDP Regional project for Improving soil fertility through organic Recycling
Library: Central library of Faculty of Agricultural Technology (Aburaihan) (Tehran)
Subject: Rice-Fertilizers,Nitrogen-Fixing algae as Fertilizer
Classification :
S
667
.
R5
, .
V46
15. Blue-Green algae for rice production
Author: / by G.S.Venkataraman,prepared by the FAO/UNDP Regional project for Improving soil fertility through organic Recycling
Library: Central library of Faculty of Agricultural Technology (Aburaihan) (Tehran)
Subject: Rice-Fertilizers,Nitrogen-Fixing algae as Fertilizer
Classification :
S
667
.
R5
, .
V46
16. Blue-green algae for rice production
Author: / by G.S. Venkataraman
Library: Central Library of college of Agriculture and Natural Resources (Alborz)
Subject: Rice - Fertilizers,Nitrogen-fixing algae as fertilizer
Classification :
S
667
.
R5
V46
1981
17. Blue-green algae for rice production: a manual for its promotion
Author: Venkataraman, G. S.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Fertilizers ، Rice,، Nitrogen-fixing algae as fertilizer
Classification :
S
667
.
R5
V46
1981
18. Controlling nitrogen flows and losses /
Author: edited by D.J. Hatch ... [et al.]
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Nitrogen fertilizers, Congresses,Soils-- Nitrogen content, Congresses
19. Effect van beregening en stidsof bij zomertarwe op zandgrond
Author: Hellings, A. J.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: Netherlands ، Wheat,، Sprinkler irrigation,، Nitrogen fertilizers
Classification :
SB
192
.
N4
H4
20. Effects of agricultural production on nitrates in food and water with particular reference to isotope studies : proceedings and report ...
Author:
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Nitrates-- Environmental aspects-- Congresses,، Agricultural wastes-- Congresses,، Nitrogen fertilizers-- Congresses
Classification :
TD
196
.
N55
.
P36
1973
