Resultados de búsqueda - Emcees~

The role of research and a seed stock industry in the in situ conservation of livestock genetic resources por Scholtz, M.M.

“…Initial studies on the Nguni in the early 1980s indicated that the Nguni has the shortest calving interval of all beef breeds and its efficiency exceeded that of most breeds. This resulted in a revived interest in the Nguni from the seed stock industry, and the Nguni is currently numerically the sixth largest beef breed in the country. …”
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Snap bean pests and diseases in Sumapaz, Colombia: their present status and implications por Velásquez, J.G., Prada, P., Henry, Guy

“…Initial studies on snap bean production in Sumapaz, Colombia, indicated excessive use of pesticides in the region. A more in- depth investigation of how chemicals are used to control insects and diseases, and the economic and agroecological implications was thus initiated in 1989. …”
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Mycoplasma-like diseases por Granada, G., Kitajima, E.

“…Since 1967, many diseases have been associated with mycoplasma- like microorganisms (MLM), especially when symptoms have been characterized by general plant chlorosis, stunting, excessive proliferation of branches (witches' broom), bud proliferation and disorders of floral organs (phyllody and virescence). …”
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Nitrate and nitrite acute poisoning in feedlot cattle caused by ingestion of Portulaca oleracea por Sosa, Emiliano, Azaldegui, Ignacio, Barale, Joaquin, Sainz Rozas, Hernan Rene, Scioli, Maria Valeria, Poo, Juan Ignacio, Lauro, Adriana Araceli, Ovelar, María Florencia, Pachiani, Martina, Garcia, Juan Agustin, Canton, German Jose

“…Nitrate and nitrite poisoning is a frequently lethal disease diagnosed in production animals due to the consumption of excessive levels in feed or water. The aim of this report was to describe an acute outbreak of nitrate and nitrite poisoning in two feedlot pens, affecting 17.5% and 5.7% of 8-month-old calves, respectively, due to the consumption of Portulaca oleracea (“purslane”) present in the pen. …”
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Can ecosystem services certification enhance brand competitiveness of certified products? por Wanggi Jaung, Putzel, L., Naito, D.

“…However, the enhancement neither exceeded brand equity of competing brands of bottled water, nor reflected different values associated with the ecolabel logos. …”
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Why can’t MENA countries trade more?: The curse of bad institutions por Karam, Fida, Zaki, Chahir

“…Our results show that in the presence of excessive zero trade observations, poor institutions can be considered as fixed export costs that help explain the zero probability of trade for some countries. …”
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Successes in African agriculture: Lessons for the future por Haggblade, Steven, Hazell, Peter B. R.

“…Eighteen countries in the region have maintained average economic growth of 5.5 percent per year during the past decade, while more than half of the continent's countries have recorded agricultural growth exceeding 4 percent during the past five years. Africa is moving toward social and political stability, albeit slowly. …”
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Do electoral coalitions facilitate democratic consolidation in Africa? por Resnick, Danielle

“…In a region where democratization has led to a proliferation of opposition parties, pre-electoral coalitions represent an obvious means by which to reduce excessive party fragmentation in Africa. However, this article examines whether such coalitions facilitate democratic consolidation in terms of contributing to incumbent turnovers as well as creating competitive, institutionalized party systems. …”
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Understanding the links between agriculture and health: Agriculture and nutrition linkages -- old lessons and new paradigms por Hawkes, Corinna, Ruel, Marie T.

“…Hunger among the poor also increasingly manifests itself through excessive consumption of energy-rich but nutrient-poor foods. …”
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Agriculture and macro-economic reforms in Zimbabwe: a political-economy perspective por Muir-Leresche, Kay

“…The benefits were undermined by high inflation and interest rates caused by excessive government borrowing. High interest rates, together with the rigidities that prevent resources from moving efficiently, make investor response to the liberalized markets very difficult and haphazard. …”
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Evaluación de prácticas agronómicas en la producción sostenible de arroz en siembra directa por Herrera, Cristian, Pineda, Marcela, Achipis, Jan, Alvarez, Maria Fernanda

“…Agronomic practices such as intensive soil tillage, inefficient irrigation, excessive use of agrochemicals, and continuous rice-on-rice cropping contribute to the depletion of these resources. …”
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Conversion of tropical rainforest: agronomic potential and ecological consequences por Lal, R.

“…Soils supporting tropical rainforests are usually old, highly weathered, and excessively leached. Estimates of forest conversion in the Brazilian Amazon, in tropical Africa, and in the tropics are presented. …”
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The production of Dorper, Red Masai, Dorper X Red Masai first cross and Dorper grade sheep at Ol Mogogo, Kenya, Estate por Chemitei, V.C.C., Makara, C., Ogutu, E., Owiti, J., Rakoczi, G.

“…Dorper X Red Masai R1 (75% Dorper 25% Red Masai) slightly exceeded pure Dorper in birth rate, birth weights, growth rates during suckling, growth rates after weaning, and pre topping weights.…”
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Characteristics of high yielding cassava varieties por Cock, James H.

“…High yield is associated with a balance between leaf and root production, so that leaf area index does not decline excessively in the later growth stages. Changing canopy structure is unlikely to increase yields. …”
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Cowpea haulms as fodder por Tarawali, Shirley A., Singh, B., Peters, M., Blade, S.

“…Dry-matter yields from selected cowpea lines at Kano were good, some exceeding 10 t/ha. The role of cowpea as a fodder source is discussed in relation to the major cropping systems in the West African savannas.…”
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Conference on National Agricultural Research Systems, Montebello, Canada, June 1-4, 1975 (Bellagio VII) por Hulse, J.H.

“…The meeting, sponsored by IDRC and the Rockefeller Foundation, was foreshadowed at Bellagio VI, and was held at Montebello because the number of participants greatly exceeded the capacity of the Villa Serbelloni. Called, nevertheless, "Bellagio VII," it was the last in the numbered series of meetings of the Bellagio Group. …”
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Total ecosystem carbon stocks of mangroves across broad global environmental and physical gradients por Kauffman, J.B., Adame, M.F., Arifanti, V.B., Schile-Beers, L.M., Bernardino, A.F., Bhomia, R.K., Donato, D.C., Feller, I.C., Ferreira, T.O., Jesus Garcia, M.C., Mackenzie, R.A., Megonigal, J.P., Murdiyarso, D., Simpson, L., Hernández Trejo, H.

“…Choosing to limit soils to a 1 m depth resulted in estimates of <5 Pg whereas those that included the soil profile >1 m depth resulted in global carbon stock estimates that exceeded 11.2 Pg C.…”
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Are there memory effects on greenhouse gas emissions (CO2, N2O and CH4) following grassland restoration? por Merbold, Lutz, Decock, Charlotte, Eugster, Werner, Fuchs, Kathrin, Wolf, Benjamin, Buchmann, Nina, Hörtnagl, Lukas

“…Enhanced emissions and emission peaks of N2O (defined as exceeding background emissions 0.21 ± 0.55 nmol m−2 s−1 (SE = 0.02) for at least 2 sequential days and the 7 d moving average exceeding background emissions) were observed for almost 7 continuous months after restoration as well as following organic fertilizer applications during all years. …”
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Leverförfettning hos mjölkkor och dess koppling till utfodring under sintidsperioden por Andersson, Åsa

Leverförfettning hos mjölkkor och dess koppling till utfodring under sintidsperioden por Andersson, Åsa