Resultados de búsqueda - "nitrogen"

Effect of exotic tree plantations on plant diversity and biological soil fertility in the Congo savanna: with special reference to eucalypts por Bernhard-Reversat, F.

Materias: “…nitrogen fixation…”
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Forage from cropping systems as dry season supplements for sheep por Akinlade, J., Smith, Jimmy W., Larbi, Asamoah, Archibald, A.L., Adekunle, I.O.

Materias: “…nitrogen…”
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Effect of soil fertility on early growth of leucaena and gliricidia in alley farms por Cobbina, J., Kang, B.T., Atta-Krah, A.N.

Materias: “…nitrogen…”
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Phosphorus response and mineral composition of Ethiopian highland Trifolium (clover) species por Nnadi, L.A., Haque, I., Mugwira, L.M.

Materias: “…nitrogen…”
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Utilization of barley straw by steers: Effects of replacing urea with protein, source of protein and quantity of rumen degradable nitrogen on straw degradation, liquid and particle... por Nsahlai, I.V., Bryant, M.J., Umunna, N.N.

Materias: “…nitrogen…”
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Soil mineral N dynamics and maize grain yields following Centrosema macrocarpum and Stylosanthes guianensis: Effects of different rotations and varying levels of N fertiliser por Muhr, I., Tarawali, Shirley A., Peters, Michael, Schultze-Kraft, Rainer

Materias: “…nitrogen cycle…”
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Adaptation of the CROPGRO growth model to velvet bean (Mucuna pruriens). II. Cultivar evaluation and model testing por Hartkamp, A.D., Hoogenboom, Gerrit, Gilbert, R.A., Benson, T., Tarawali, Shirley A., Gijsman, A.J., Bowen, W., White, Jeffrey W.

Materias: “…nitrogen fixation…”
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Report on water quality survey and pollution in Kurunegala, Sri Lanka por Dissanayake, Priyanka, Clemett, Alexandra, Jayakody, Priyantha, Amerasinghe, Priyanie H.

Materias: “…nitrogen…”
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Groundwater socio-ecology of Mali por Obuobie, Emmanuel, Barry, Boubacar

Materias: “…nitrogen…”
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Sodicity-induced land degradation and its sustainable management: Problems and prospects por Qadir, Manzoor, Noble, A.D., Schubert, S., Thomas, Richard J., Arslan, A.

Materias: “…nitrogen…”
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Comparative short-term effects of different quality organic resources on maize productivity under two different environments in Zimbabwe por Mtambanengwe, F., Mapfumo, Paul, Vanlauwe, Bernard

Materias: “…nitrogen fertilizers…”
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Impact of planted fallows and a crop rotation on nitrogen mineralization and phosphorus and organic matter fractions on a Colombian volcanic-ash soil por Basamba, T.A.A., Barrios, E., Singh, B.R., Rao, Idupulapati M.

Materias: “…nitrogen…”
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Characteristics of soils at the IAR research sub-centres at Sheno and Ginchi por Kamara, C.S., Haque, I., Beyene, D.

Materias: “…nitrogen…”
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The role and potential of forage legumes in alley cropping live mulch and rotation systems in humid and subhumid tropical Africa por Mulongoy, K., Kang, B.T.

Materias: “…nitrogen fixation…”
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Nutrient cycling in integrated rangeland/cropland systems of the Sahel por Powell, J.M., Fernández Rivera, S., Hiernaux, Pierre H.Y., Turner, M.

Materias: “…nitrogen…”
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Nutrición mineral y fertilización de la yuca por Howeler, Reinhardt H., Doll, Jerry D.

Materias: “…nitrogen fertilizers…”
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A reappraisal of nitrogen-to-protein conversion factors in cassava roots por Dufour, D.L., Ricci, J, Sánchez, T., Morante, N, Morel, G, Reynes, M, Hershey, Clair H., Ceballos, H.

Materias: “…nitrogen content…”
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Importancia para los programas del CIAT de la fijación biológica de nitrógeno por Halliday, J

Materias: “…nitrogen fixation…”
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Towards a food secure future: Sharing our research with farmers in Babati District, Tanzania por Kizito, Fred, Kihara, Job Maguta, Bekunda, Mateete A., Smith, Georgina, Odhong, Jonathan

Materias: “…nitrogen…”
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Combining ability and heterotic patterns of extra-early maturing white maize inbreds with genes from Zea diploperennis under multiple environments por Amegbor, I.K., Badu-Apraku, Baffour, Annor, B.

Materias: “…low soil nitrogen…”
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