Resultados de búsqueda - drawl~

Stylosanthes for pasture development. An overview of ILCA's experience in Nigeria por Mohamed-Saleem, M.A.

“…During the last two decades the number of arable farmers investing in livestock has also increased. …”
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Infection of cattle with Theileria parva induces an early CD8 T cell response lacking appropriate effector function por Houston, E.F., Taracha, E.L.N., Brackenbury, L., MacHugh, Niall D., McKeever, Declan J., Charleston, B., Morrison, W. Ivan

“…Analyses of the cellular response in the lymph node draining the site of infection demonstrated an early T cell response, with the appearance of large numbers of uninfected lymphoblasts between 6 and 9 days p.i., coinciding with initial detection of parasitised cells. …”
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Drought tolerant maize for Africa project por Shaw, Alison, Kristjanson, Patricia M.

“…Context: Up to 65% of arable land in Africa is dedicated to maize production. …”
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Mapping agricultural responses to water supply shocks in large irrigation systems, southern India por Biggs, Trent W., Gangadhara Rao, Parthasaradhi, Bharati, Luna

“…Historical water management contributed to the vulnerability of rice production to drought: the main reservoir in the system was drained to dead storage levels by the end of each growing season over 1968-2000, with little carryover storage. …”
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Dynamics and sustainability of urban agriculture: examples from Sub-Saharan Africa por Drechsel, Pay, Dongus, S.

“…This article focuses on crop production on larger open spaces in cities of Sub-Saharan Africa (SSA) and investigates the sustainability and dynamics of this type of land use, which is common on undeveloped plots particularly in lowlands, such as in inland valleys, or along urban streams or drains. An adapted version of the Framework for Evaluating Sustainable Land Management (FESLM) developed by the Food and Agriculture Organization of the United Nations (FAO) was used to assess the sustainability of urban agriculture. …”
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Perceptions and outlook on intercropping coffee with banana as an opportunity for smallholder coffee farmers in Uganda por Jassogne, Laurence T.P., Asten, Piet J.A. van, Wanyama, I., Baret, P.

“…Production is dominated by smallholders that have limited arable land and often coffee and banana are intercropped. …”
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On-farm treatment of wastewater used for vegetable irrigation: bacteria and virus removal in small ponds in Accra, Ghana por Silverman, A.I., Akrong, M.O., Drechsel, Pay

“…Many urban farmers in Accra collect irrigation water from streams and open drains, which they store in small, on-farm ponds before use. …”
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Neotropical savannas: prospects for economically and ecologically sustainable crop-livestock production systems por Spain, James M.

“…The potential of neotropical savannas is very large for both arable crops and pasture-based livestock systems. …”
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Spatial variation in tree density and estimated aboveground carbon stocks in Southern Africa por Tamene, Lulseged D., Mponela, Powell, Sileshi, Gudeta W., Chen, Jiehua, Tondoh, Jérôme E.

“…Variability in woody plant species, vegetation assemblages and anthropogenic activities derails the efforts to have common approaches for estimating biomass and carbon stocks in Africa. …”
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Ministries of Vietnam and Bangladesh produce country work plans for scaling out Alternate Wetting and Drying por CGIAR Research Program on Climate Change, Agriculture and Food Security

“…Alternate Wetting and Drying (AWD) is a rice production practice which moves away from continuous flooding of rice paddies to periodically draining and wetting the soil, so that the soil does not dry out. …”
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A participatory adoption of improved crop technologies in the savannas of West Africa: empirical study from Borno, Nigeria por Amaza, P.S., Ellis-Jones, J., Kamara, A.Y., Helsen, J., Gaya, H.I.

“…PASS measured adoption in three ways, firstly through discussion with participating groups, secondly with a number of key individual farmers and lastly, through transect walks through arable areas. The results revealed that improved maize and soybean varieties had the highest adoption rates, with maize (83%) and soybean (68%). …”
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Overlapping land claims limit the use of satellites to monitor No-Deforestation commitments and No-Burning compliance por Gaveau, D.L.A., Pirard, R., Salim, M.A., Tonoto, P., Husnayaen, Parks, S.A., Carmenta, R.

“…On peatland, fire can start outside and spread into concessions, while draining in concessions may promote fire outside. These dynamics make attribution of fire and deforestation in Indonesian concessions impossible without detailed field investigations.This study highlights the need to combine very high‐resolution satellite data with extensive field investigations of de facto land ownership, claims and disputes inside and outside concessions. …”
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Kan man genom kartstudier förutse häckningsframgång för ängshök (Circus pygargus) i Uppland? por Litsgård, Fredrik

“…Such wetlands are often drained, resulting in encroachment of bushes and trees into the marshes. …”

Magasin för lagring av vatten och växtnäring por Sandin, Maria

“…This increases nutrient levels in agricultural run-off and causes eutrophication as well as nutrient losses from arable soils. One potential solution to both problems would be to store nutrientrich surface water from agricultural areas and use it for irrigation of agricultural crops. …”
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Phytoremediation of landfill leachate by irrigation to willow short-rotation coppice por Rosenkranz, Theresa

“…In 2005 a field trial was established on an arable field next to a landfill operated by Ragnsells Avfallsbehandling AB, at Högbytorp, Upplands-Bro (Sweden). …”

Evaluación de la erosión de suelo en los valles interandinos de Bolivia por Sims, Brian, Villarroel, Juan, Pérez, Salomón, Rodríguez, Félix

“…La medición de sedimentación, pedestales, capas de madura y pérdida de la arable dan estimaciones de pérdidas de suelo entre 19 hasta más que 400 t ha.' año-'.…”
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Technical Advisory Committee Forty-Ninth Meeting, 19-24 June 1989: Report of the Meeting por CGIAR Technical Advisory Committee

“…TAC urged rapid settlement of the administrative problems to enable IBPGR to strengthen its technical and research capacity.The early chapters of the TAC Chair's paper on approaches to expanding the CGIAR were discussed, along with drafts of regional papers. The reports of the TAC fact finding missions to candidate centers except AVRDC were discussed in closed session. …”
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CGIAR International Centers Week, Washington, D.C., October 30-November 3, 1989: Summary of Proceedings and Decisions por CGIAR Secretariat

“…A memorandum on FAO-IBPGR relations following their separation had been drafted. The committee would work with an IBPGR board committee to review location of the center. …”
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Exploring the usefulness of scenario archetypes in science-policy processes: experience across IPBES assessments por Sitas, Nadia, Harmáčková, Zuzana V, Anticamara, Jonathan A., Arneth, Almut, Badola, Ruchi, Biggs, Reinette, Blanchard, Ryan, Brotons, Lluis, Cantele, Matthew, Coetzer, Kaera, DasGupta, Rajarshi, Belder, Eefje den, Ghosh, Sonali, Guisan, Antoine, Gundimeda, Haripriya, Hamann, Maike, Harrison, Paula A., Hashimoto, Shizuka, Hauck, Jennifer, Klatt, Brian J, Kok, Kasper, Krug, Rainer M, Niamir, Aidin, O'Farrell, Patrick J., Okayasu, Sana, Palomo, Ignacio, Pereira, Laura, Riordan, Philip, Santos Martín, Fernando, Selomane, Odirilwe, Shin, Yunne-Jai, Valle, Mireia

“…This paper reflects on the usefulness of the scenario archetype approach within science-policy processes, drawing on the experience from the IPBES assessments. …”
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School grounds : children’s perspectives on qualities, use and social support por Hallin, Sofie

“…Methods for the study are questionnaire, children’s drawings and child-led walks, conducted in two different school grounds with different environmental qualities. …”