Resultados de búsqueda - "grasslands"

Botanical name changes – nuisance or a quest for precision? por Cook, Bruce G., Schultze-Kraft, Rainer

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Dry season growth performance of tropical pasture legumes in subhumid Nigeria por Peters, M., Tarawali, Shirley A., Alkamper, J.

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Diversidad de herbáceas y coleópteros en sistemas silvopastoriles de Tierra del Fuego por Lencinas, María Vanessa, Martínez Pastur, Guillermo José, Peri, Pablo Luis, Soler Esteban, Rosina Matilde, Ivancich, Horacio Simón, Cellini, Juan Manuel, Barrera, Marcelo Daniel

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Arachis pintoi in the humid tropics of Colombia: A forage legume success story por Lascano Aguilar, Carlos Eduardo, Peters, Michael, Holmann, Federico J.

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Synopsis, Economics of land degradation and improvement: A global assessment for sustainable development por Nkonya, Ephraim M., Mirzabaev, Alisher, von Braun, Joachim

“…Six major biomes that accounted for about 86 percent of global land area in 2001 are covered, including forest, shrub lands, grasslands, cropland, barren land, and woodlands. Thirty-three percent of grasslands, 25 percent of croplands, and 23 percent of forests experienced degradation over the last three decades.…”
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Morphological and agronomic characterisation of a collection of Napier grass (Pennisetum purpureum) and P. purpureum × P. glaucum por Wouw, M. van de, Hanson, Jean, Luethi, S.

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Grasses and the greenhouse effect por Technical Centre for Agricultural and Rural Cooperation

“…The vital role played by grasslands in either combating or adding to the greenhouse-effect, has been shown in a study conducted by the United Nations Environment Programme (UNEP). …”
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Forage demand and adoption by smallholder livestock keepers workshop held at the International Livestock Research Institute, Addis Ababa, Ethiopia June 18-20, 2001 por Hanson, Jean

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Protein not limiting factor in ruminant growth por Technical Centre for Agricultural and Rural Cooperation

“…A new study carried out in Tanzania has concluded that energy intake is the major limiting factor in the growth of ruminants on semi-arid grasslands in that country, and that, contrary to longheld belief, protein supplements alone are not effective...…”
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Adaptive responses of Brachiaria grasses to hypoxia stress por Cardoso Arango, Juan Andrés, Jiménez, J., Ricón, J., Rao, Idupulapati M.

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Feeds and Forages Flagship of the Livestock CRP: Colombia por International Center for Tropical Agriculture

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Productivity of some browse plants on acid soils of southeastern Nigeria por Cobbina, J., Atta-Krah, A.N., Meregini, A.D., Duguma, B.

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The residual effect of stylosanthes fodder banks on maize yield at several locations in Nigeria por Tarawali, G.

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Effects of land-use and tsetse fly control on bird species richness in southwestern Ethiopia por Wilson, C.J., Reid, Robin S., Stanton, N.L., Perry, Brian D.

“…-transmitted trypanosomiasis in the Ghibe Valley, Ethiopia, appears to have accelerated conversion of wooded grassland into cropland. Land conversion, in turn, may have fragmented wildlife habitat. …”
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Effects of livestock grazing on soil nitrogen mineralization on Hulunber meadow steppe, China por Yan, R., Yang, G., Chen, B., Yan, Y., Xin, X., Li, L., Zhu, X.

“…Soil nitrogen (N) cycling is an important factor in terrestrial ecosystems, including grasslands. Understanding the effects of grazing on nitrogen cycling in grassland ecosystems is critical for better management and for improving knowledge of the mechanisms underlying grassland degradation and can provide basic information for sustainable development in grassland ecosystems. …”
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Characterization of a collection of perennial Panicum species por Wouw, M. van de, Jorge, M.A.B., Bierwirth, J., Hanson, Jean

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Seasonal herbage and animal production from three Cynodon species por Larbi, Asamoah, Mislevy, P., Brown, W.F., Adjei, M.B.

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Uso de Metarhizium anisopliae para el control biológico del salivazo (Aeneolamia spp. y Prosapia spp.) en pastizales de Brachiaria decumbens en El Petén, Guatemala por Castillo Zeno, Salvador

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Agronomic evaluation of Neonotonia wightii, Stylosanthes scabra and S. guianensis accessions in Ethiopia por Larbi, Asamoah, Ochang, J., Hanson, Jean, Lazier, John R.

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Technical note: Photosensitisation jaundice syndrome in West African Dwarf sheep and goats grazed on Brachiaria decumbens por Opasina, B.A.

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