Resultados de búsqueda - "field experiment"

Parameters Affecting Residue Nitrogen Mineralization in Flooded Soils por Becker, M., Ladha, J.K., Simpson, I.C., Ottow, J. C. G.

“…Six‐week phytotron and two‐season field experiments were conducted to determine the influence of soil properties, residue composition, and soil fauna on N mineralization in flooded soils. …”
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Rainfall forecasts, learning subsidies and conservation agriculture adoption: Experimental evidence from Zambia por Ngoma, Hambulo, Simutowe, Esau, Silva, João Vasco, Nyagumbo, Isaiah, Kalala, Kelvin, Habeenzu, Mukwemba, Thierfelder, Christian

Materias: “…field experimentation…”
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Weather uncertainty and demand for information in technology adoption: Case of Namibia por Visser, M., Mulwa, C.K., Gitonga, Z., Baard, M.

“…Using framed lab-in-the-field experiments conducted with rural households in the North-Central region of Namibia, we elicit individual risk and ambiguity attitudes and observe technology choices across varying levels of known and unknown probabilities of favourable weather. …”
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Evaluation of the agronomic and economic performances of integrated rice-fish systems in Mali por Akpoffo, Marius, Guindo, Jonathan, Dossou-Yovo, Elliott

“…This study evaluated the agronomic and economic performance of integrated rice-fish systems as a climate-smart agriculture innovation promoted under the AICCRA project in Mali. Field experiments were conducted across three sites (Baguineda, Selingue, and Massala) using six treatments: rice monoculture without fertilizer (T1), fish monoculture (T2), rice monoculture with fertilizer (T3), rice irrigated with fish pond water (T4), integrated rice-fish with fish in the middle (T5), and integrated rice-fish with fish at the border (T6). …”
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Evaluation of fusarium head blight resistance through a genome-wide association study in CIMMYT and South Asian wheat germplasm por Mandal, Rupsanatan, Xinyao He, Singh, Gyanendra Pratap, Kabir, Muhammad Rezaul, Joshi, Arun Kumar, Pawan Kumar Singh

“…Spray-inoculated field experiments were conducted at CIMMYT, Mexico, over three years, and a wide range of phenotypic variations was observed. …”
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Ametoctradin + dimethomorph spray frequency affects late blight disease and yield in potato genotypes por Anoumaa, M., Suh, C., Kouam, E.B., Kanmegne, G., Djomo, S.H., Temfack, D.C.D., Fonkou, T.

“…This study aimed at determining an appropriate frequency of ametoctradin + dimethomorph ([26.9 + 20.2]%) spray for late blight disease management in potato genotypes. Field experiments were conducted in Bansoa, Cameroon, from August to October in 2019 and 2020 growing seasons The experimental design was a split‐plot design with three replications. …”
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Deploying solar pumps at scale in South Asia: opportunities for solarizing agriculture in South Asia por Verma, Shilp, Patel, Kalpana, Neupane, Nilhari, Shrestha, Shisher

“…This report synthesizes field experience, policy experimentation, and analytical work on solar irrigation technologies to outline a practical roadmap for the region’s transition. …”
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Dynamics of the HIV/AIDS epidemic in value chain development in rural Ethiopia and responses through market-led agricultural initiatives por Bishop-Sambrook, C.

“…The third section draws on field experience from the PLWs (Pilot Learning Woreda) to demonstrate the potential effect of market-led agricultural growth on hastening the spread of HIV by examining six principal commodity value chains, namely cereals, oilseeds, spices, vegetables, coffee and livestock. …”
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Optimization of animal drawn tillage implement systems: Part 2, Development of a reversible plough and a ridger por Gebresenbet, G., Zerbini, E., Astatke, A., Kaumbutho, P.

“…The developed plough can also be used as a ridger by mounting an extra wing on the plough. Comparative field experiments were conducted in cooperation with the International Livestock Research Institute. …”
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Nitrogen fixation by annual forage legumes and its contribution to succeeding wheat in the Ethiopian highlands por Haque, I., Lupwayi, N.Z.

“…The amounts of nitrogen fixed by Lablab, Medicago, Trifolium, and Vicia species and their contribution to the following wheat crop were estimated in field experiments on an Alfisol at Debre Zeit in the Ethiopian highlands. …”
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Developing Index Based Livestock Insurance for managing livestock asset risks in Northern Kenya por Chantarat, S., Barrett, Christopher B., Mude, Andrew G.

“…It uses a combination of field experiments and surveys conducted in summer 2008, and pre-existing household-level panel data sets in: (1) designing a market-viable contract; (2) conducting ex-ante householdlevel welfare analysis; and (3) eliciting willingness to pay (WTP) for the product among the targeted population. …”
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Partial root-zone drying irrigation and water utilization efficiency by the potato crop in semi-arid regions in China por Kaiyun X., Xiao-Xue W., Ruofang Z., Xiufeng G., Shibiao Z., Victor, Michael, Carla G., Adolfo P., Roberto Q.

“…Two field experiments were conducted in two semi-arid areas in northern China to test the response of three potato varieties to supplemental irrigation. …”
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The potential role of soil-based interventions in increasing maize yield: a case study of organic and clay-based soil amendments in Central Laos por Mekuria, Wolde

“…This study was undertaken in central Laos to investigate the impacts of organic and clay-based soil amendments, and their combination on maize yield. Structured field experiments were established at Veunkham and Naphok sites with 10 treatments each in Randomised Complete Block Design with three replications in 2011. …”
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Crop water productivity of irrigated teff in a water stressed region por Yihun, Y.M., Haile, A.M., Schultz, B., Erkossa, Teklu

“…This paper presents CWP of Teff (Eragrostic Tef), a staple food in Ethiopia and an important export crop. Field experiments were conducted under irrigated agriculture during the dry seasons in the periods: 1) November 2010 to March 2011; and 2) December 2011 to April, 2012 at Melkassa Agricultural Research Centre in Ethiopia. …”
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Effect of soil fertility management practices and bacillus subtilis on plant parasitic nematodes associated with common bean, Phaseolus vulgaris por Wepuhkhulu, M, Kimenju, J.W., Anyango, B, Wachira, P., Kyallo, G

“…On-farm and on-station field experiments were carried out to determine the potential of combining Bacillus subtilis with soil fertility management practices on plant parasitic nematodes and growth of common bean (Phaseolus vulgaris). …”
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Effect of soil fertility management practices on nematode destroying fungi in Taita, Kenya por Wachira, Peter M, Okoth, S., Kimenju, J.W., Mibey, RK, Kiarie, J

“…The study aimed at identifying soil fertility practice that promoted nematode destroying fungi in the soil. Field experiments were established in Taita district, the treatments comprised of Mavuno fertilizer, Triple super- phosphate and calcium ammonium nitrate (TSP+CAN), cow manure and a control where no amendments were applied. …”
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Development of mixed forage and crop production systems for coastal semi-arid Kenya por Mureithi, J.G., Thorpe, W.R.

“…Preliminary screening of forage species and field experience have identified the Napier grass variety Bana as one of the most promising fodder grasses and Leucaena leucocephala variety K28 as a productive leguminous shrub. …”
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Poultry manure nitrogen availability influences winter wheat yield and yield components por Savala, C.E.N., Crozier, C.R., Smyth, T.J.

“…Coefficients included fertilizer N equivalence based on grain yield and plant-available N based on aboveground plant N content. Four field experiments used broiler litter (BL) and composted layer manure (CLM), two rates (67 and 134 kg total-N ha−1), and three different application times (incorporated in October preplant, Feekes’ 3 in December/January, or Feekes’ 4 in February). …”
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Agronomic traits associated with genetic gains in maize yield during three breeding eras in West Africa por Badu-Apraku, Baffour, Fakorede, M.A.B., Oyekunle, M.

“…Fifty early-maturing maize cultivars developed during three breeding eras were evaluated for 2 yr in two field experiments involving 16 multiple stress (drought, Striga-infested, and low soil nitrogen) environments and 35 optimum environments to determine the changes in agronomic traits associated with the genetic gains in grain yield over three breeding eras. …”
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Sowing density effect on common bean leaf area development por Ricaurte Oyola, José Jaumer, Clavijo Michelangeli, José A., Sinclair, Thomas R., Rao, Idupulapati M., Beebe, Stephen E.

“…We present the results from two sites of field experiments where the effects of sowing densities (5, 10, 15, 20, 25 and 35 plants m-2) and genotypes with contrasting plant architectures (two each from growth habits I through III) on the dynamics of node addition and leaf area were assessed. …”
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