Resultados de búsqueda - Gstaad~

Forage legumes for improved fallows in agropastoral systems of subhumid West Africa. I. Establishment, herbage yield and nutritive value of legumes as dry season forage por Muhr, L, Tarawali, Shirley A., Peters, Michael, Schultze-Kraft, Rainer

“…In the mid dry season, Stylosanthes guianensis, Centrosema pubescens and Aeschynomene histrix had the highest yields of 10 t/ha DM of standing herbage plus shed leaves at one of the sites. …”
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Seed production of pasture species in a tropical savanna region of Brazil. 2. Grasses por Andrade, Ronaldo P. de, Thomas, D., Ferguson, John E.

“…Under the relatively high soil fertility conditions, undefoliated stands of A. gayanus cv. Planaltina lodged badly in the second season and seed yield was reduced by 65 per cent. …”
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In vitro culture of Annona emarginata: a rootstock for commercial annonaceae species por Freitas, R.T. de, Paiva, R., Campos, N.A., Silva, L.C., Swennen, Rony L., Panis, Bartholomeus

“…On the other hand, it stands out based on its rootstock value. However, there are some problems that hinder the largescale production of Annona emarginata seedlings for use as a rootstock. …”
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Crop improvement, adoption and impact of improved bean varieties in Sub Saharan Africa por Muthoni Andriatsitohaina, Rachel, Andrade, Robert Santiago

“…Although bean impact has been documented in a number of past studies, the last comprehensive study of the international crop improvement effort, organized by the Standing Panel for Impact Assessment (SPIA, formerly the Impact Assessment and Evaluation Group), was based on data collected a decade ago (Evenson and Gollin, 2003 based on 1997-98 data). …”
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Effects of soilless and soilbased nursery media on seedling emergence, growth and response to water stress of African breadfruit (Treculia africana Decne) por Baiyeri, K.P., Mbah, B.N.

“…The quality of potting media perhaps stands out as the most important. Therefore, the effects of three soilless media and a soil-based medium on seedling emergence, seedling growth and susceptibility to water stress were studied using African breadfruit as a test crop. …”
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Futures of tropical forests (sensu lato) por Putz, F.E., Romero, C.

“…Celebrations when a country passes this ‘forest transition’ will then be tempered by realization that what has been accepted as ‘forest’ spans the gamut from short‐rotation mono‐clonal stands of genetically engineered trees to fully protected old growth natural forest. …”
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Legume rotation in the moist tropical savanna: managing soil nitrogen dynamics and cereal yields in farmers' fields por Oikeh, S., Chude, V., Carsky, R.J., Weber, G., Horst, W.

“…Maize yield was 20 and 24% higher when grown after stylo and soyabean than after maize in spite of the removal of the standing legume biomass from the plots. Sorghum grain yield and nitrogen uptake were not significantly affected by the previous crops. …”
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Preliminary evaluation of black sigatoka resistance in IITA plantain hybrids por Gauhl, F., Mobambo, K., Pasberg-Gauhl, C., Swennen, Rony L., Vuylsteke, D.R.

“…In the first week 01 April 1991 {6 months after printing' the number of standing leaves in the non-treated plantain was 10.0, in tile fungicide-treated plantain 12.9. whereas TMP" 548•4 and TMPK 548-9 hold 11.4 and TMP" 597-4 had 11. 9leaues. …”
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Ciclos bioquímicos en un ecosistema forestal de los Andes Occidentales de Venezuela, 2: Producción y descomposición de los residuos vegetales. por Fassbender, H.W, Grimm, U.

“…Litter production (tree stands, each 12 collectors; sampling every two weeks) and litter decomposition (samples of leaves and branches exposed to enviroment, collection every two months) were studied in a montane forest ecosystem of the Venezuelan Andes. …”
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Caracterización de especies leñosas en sistemas ganaderos, de los municipios de Tlapacoyan, Misantla y Martínez de la Torre, Veracruz, México por Ascencio Rojas, Lidia

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Estimación de la biomasa aérea y la captura de carbono en regeneración natural de Pinus masiminoi H. E. Moore, Pinus oocarpa var. ochoterenai Mtz, y Quercus sp. en el norte del est... por González Zárate, Mequeas

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Fish sampling in lotic water : a study of the efficiency of the novel Nordic multi-mesh Stream Survey Net por Eidborn, Anders

“…It works in streaming and still standing waters with a depth of 0.5 meters or more and is deployed on the bottom, parallel with the stream. …”

Permaculture design in an ecovillage por Råberg, Tora

“…There is a focus on perennial plants and plant combinations using different layers above and below the soil.Competition between species in mixed stands (interspecific competition) differs from that between plants within monocultures (intraspecific competition) in that the component species of a multispecies design may impose different demands on the available resources. …”
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Comparison of yield of Norway spruce (Picea abies) and Sitka spruce (Picea sitchensis) in Skorradalur, West Iceland por Reynisson, Valdimar

“…The average difference for stands 46-55 years old for total mean annual increment this is 3,7m3/ha/year or 86,9% more for Sitka spruce compared to Norway spruce. …”
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Kommuninvånarnas syn på Sala kommuns skogar och skogsbruk por Persson, Love

“…They prefer full-grown and varied stands of trees. They reject of logging debris such as branches. …”

Conservation methods and their applicability for the Swedish Barn Owl population por Andersson, Fredrik

“…However with the threat of winters still standing, the estimated effects of further conservation efforts in Sweden is most likely limited or nonexistent.…”
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Technical Advisory Committee Thirty-Second Meeting, 24-29 October 1983: Report of the Meeting por CGIAR Technical Advisory Committee

“…TAC also asked its secretariat to do some preliminary work on the assignment of rice responsibilities in Africa for consideration at TAC 33.The TAC Standing Committee on Strategic Considerations met for the first time, and reviewed an document prepared by FAO consultants on quantitative indicators for priorities in international agricultural research. …”
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Food system innovations and digital technologies to foster productivity growth and rural transformation por Benfica, Rui, Chambers, Judith A., Koo, Jawoo, Nin-Pratt, Alejandro, Falck-Zepeda, José B., Stads, Gert-Jan, Arndt, Channing

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African agricultural R&D in the new millennium: Progress for some, challenges for many por Beintema, Nienke M., Stads, Gert-Jan

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Análisis de manejo de residuos sólidos urbanos y elaboración de aboneras para huertas traspatio en San Andrés de Giles (Bs. As.) por Cóppola, J., Pescio, Francisco Jose, Schamber, Pablo

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