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Your search for [subject]Nitrogen -- Fixation returned 76 records. |
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Nitrogen and rice.
Los Baños, Laguna, Philippines/ P.O.Box 933, Manila 1099, Philippines: International Rice Research Institute, 1979.
Subject: Nitrogen -- Rice production 0; Nitrogen transformation -- Rice soils 0; Heterotrophic nitrogen fixation -- Rice soils 0; Nitrogen fixation -- Algae 0; Azolla utilization -- Rice production 0; Agronomic practices 0; Increasing nitrogen -- Rice soils 0; Agriculture .
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Nitrogen and rice.
Los Banos, Laguna: IRRI, 1979.
Subject: Plants, Effect of nitrogen on; Nitrogen -- Fixation; Rice; Soils -- Nitrogen content.
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The quest for nitrogen fixation in rice.
by Ladha, J. K.ed.; Los Baños, Laguna, Philippines: International Rice Research Institute, 2000.
Subject: Nitrogen fixation -- Rice 0; Rice -- Nitrogen fixation 0; Food security .
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Symbiotic performance of peanut Rhizobium association under partial shade conditions.
by Abilay, Remedios M.; College, Laguna: IPB, 1987. 47p. -(UPLB-PCARRD-NCARS Proj. Study 3).
Subject: ARACHIS HYPOGAEA; NITROGEN FIXATION; SYMBIOSIS; SHADING; FERTILIZER APPLICATION; RHIZOBIUM; NITROGEN.
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Soybean nodule nitrate reductase activity and its relation to rhizobium N2-fixing system.
by Lales, Joveno S., 1944-;
Subject: Nitrogen--Fixation; Micro-organisms, Nitrogen-fixing; Soybean.
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Solving soil acidity.
Subject: Soil acidity; Nitrogen; Soils; Nitrogen -- Fixation.
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In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields [microform].
by Alimagno, Bonifacio Villanueva, 1947-; Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Subject: Soils -- Nitrogen content; Nitrogen -- Fixation; Algae.
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In situ determination of biological nitrogen fixation by blue-green algae in lowland rice fields.
by Alimagno, Bonifacio Villanueva, 1947-;
Subject: Soils -- Nitrogen contents; Algae; Nitrogen -- Fixation.
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Biological nitrogen fixation in farming systems of the tropics.
by Ayanaba, A., ed.; Chichester: Wiley, 1977.
Subject: Agriculture -- Cropping systems -- Tropics -- Congresses; Farming systems -- Tropics -- Congresses; Nitrogen fixation -- Biological nitrogen fixation -- Congresses.
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Isotopes in biological dinitrogen fixation : proceedings of an Advisory Group Meeting.
Vienna: International Atomic Energy Agency, 1978.
Subject: Nitrogen-fixing microorganisms -- Congresses; Nitrogen -- Fixation -- Congresses; Nitrogen -- Isotopes -- Congresses.
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