Resultados de búsqueda - "Chang’an"

Evaluation of commercially available herbicides for weed control in cassava por Moyo, C.C., Jumbo, S., Mahungu, N.M., Benesi, I.R.M., Ntawuruhunga, Pheneas, Sandifolo, V.S.

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Commercialization of vegetable production in Alamata Woreda, Northern Ethiopia: processes and impact por Berhane, G., Gebrehiwot, A., Berhe, Kahsay, Hoekstra, Dirk

“…Different extension approaches were used including study tours to change the mind-set and to acquire knowledge for experts and farmers. …”
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What role can planted fallows play in the humid and subhumid zone of West and Central Africa? por Hauser, S., Nolte, C., Carsky, R.J.

“…Crop yield declines were found in 15.7% of cases, and only 24.3% resulted in significant yield increases. Changes in soil properties were more frequently positive (34.3%) than negative (9.8%), yet, most often (55.9%), there was no effect. …”
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Molecular biodiversity of cassava begomoviruses in Tanzania: evolution of cassava geminiviruses in Africa and evidence for East Africa being a center of diversity of cassava gemini... por Ndunguru, J., Legg, James P., Aveling, T., Thompson, G., Fauquet, Claude M.

“…This new knowledge about the molecular CMG diversity in East Africa, and in Tanzania in particular, has led us to hypothesize about the probable importance of this part of Africa as a source of diversity and evolutionary change both during the early stages of the relationship between CMGs and cassava and in more recent times. …”
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Long term integrated soil fertility management in southwestern Nigeria: crop performance and impact on the soil fertility status por Vanlauwe, Bernard, Diels, J., Sanginga, Nteranya, Merckx, Roel

“…Crop response, tree biomass production and changes in soil fertility characteristics were monitored in a long-term (1986–2002) alley-cropping trial in Ibadan, Nigeria. …”
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Mitochondrial phylogeography and population structure of the cattle tick Rhipicephalus appendiculatus in the African Great Lakes region por Amzati, Gaston S., Pelle, Roger, Muhigwa, J.B., Kanduma, Esther G., Djikeng, Appolinaire, Madder, M., Kirschvink, N., Marcotty, T.

“…Thus, their expansion in new areas may change the genetic structure and consequently affect the vector-pathogen system and disease outcomes. …”
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Longterm soil organic carbon dynamics in a subhumid tropical climate: 13C data in mixed C3/C4 cropping and modeling with ROTHC por Diels, J., Vanlauwe, Bernard, Meersch, M.K. van der, Sanginga, N., Merckx, Roel

“…We observed SOC content changes in a 16-year continuously cropped agroforestry experiment in Ibadan, south-western Nigeria. …”
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First evidence for the spread of East African cassava mosaic virus Uganda (EACMVUG) and the pandemic of severe cassava mosaic disease to Burundi por Bigirimana, S., Barumbanze, P., Obonyo, R., Legg, James P.

“…The occurrence of EACMV-UG at sites in northern, central and eastern Burundi also suggests that similar changes in CMD epidemiology are likely to occur here in the near future. …”
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The impacts of hydropower and mining on water quality: an example from the Nam Ngum catchment, Lao PDR por Kallio, M.

“…The water quality of rivers and lakes changes with the seasons and geographic areas. There is no single measure that constitutes ‘good’ water quality. …”
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Replenishment of C, N, and P in a degraded alfisol under humid tropical conditions; effect of fallow species and litter polyphenols por Tian, G., Salako, F., Ishida, F.

“…The percentage increase in mineralizable N stock under fallow was, on average, 5.5 times greater than that in total N, implying that fallow causes change in soil organic matter quality. The available P (Olsen) was 8.6 kg ha−1 in the continuous cropping and ranged from 14.1 kg ha−1 (natural fallow) to 29.2 kg ha−1 (Leucaena fallow). …”
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Sustainable and Equitable Increases in Fruit and Vegetable Productivity and Consumption are Needed to Achieve Global Nutrition Security por Chaudhary, Abhishek, Kablan, Ahmed, Edwards, Alison, Stratton, Anne Elise, Otto, Caroline, Stöckle, Claudio O., Khoury, Colin K., Sonke, Daniel, Gustafson, Dave, Klauser, Dominik, Holley, M Franklin, Thoma, Greg, Blonk, Hans, Otten, Jennifer, Nelson, Gerald C., Bogard, Jessica R., Finley, John, Guan, Kaiyu, Schaffner, Kate, Wiebe, Keith D., Steenwerth, Kerri, Bryan, Kevin, Sibanda, Lindiwe Majele, Frank, Markus, Fukagawa, Naomi K, Naylor, Rosamond Lee, Asseng, Senthold, Phatak, Sumira, Rowe, Sylvia, Hess, Tim, Sulser, Timothy B., Chen, Wei-Ting, Li, Yan, Conrad, Zach

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Sustainable livelihoods approach through the lens of the State-ans-Transition Model in semi-arid pastoral systems por Easdale, Marcos Horacio, Lopez, Dardo Ruben

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Evaluation of crop forcing technique in Syrah (Vitis vinifera L.) to increase wine quality por Pacheco, Daniela, Pugliese, Maria Beatriz, Guzmán, Yanina, Giménez, Fernanda, Battistella, Maximiliano

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Prediction of symptoms occurrence of fire blight (Erwinia amylovora) by the MARYBLYT™program in Río Negro, Argentina por Giayetto, Alejandro Lorenzo, Rossini, Mirta Noemi

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Non-destructive index to characterize the maturity of 'Williams' pears grown in Argentina por Gomila, Teofilo, Calvo, Gabriela, Candan, Ana Paula

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Relationship between maturity index and ethylene production patterns of 'Williams' pears grown in the Alto Valle of Río Negro por Gomila, Teofilo, Calvo, Gabriela, Candan, Ana Paula

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Adding the temporal dimension to spatial patterns of payment for ecosystem services enrollment por Núñez Regueiro, Mauricio M., Fletcher, Robert J. (Junior), Pienaar, Elizabeth F., Branch, Lyn C., Volante, Jose Norberto, Rifai, Sami

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Genetic Determinants of Host Range Specificity of the Wellington Strain of Xanthomonas axonopodis pv. citri por Rybak, Myrian Asucena

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Estudio comparativo de cambios morfo-anatómicos y de calidad forrajera en la ontogenia de Megathyrsus maximus por Hernandez Alvarez, Urys Mileth, Lopez Colomba, Eliana, Bollati, G., Carloni, Edgardo José, Reutemann, A., Grunberg, Karina

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Diversity of floral regulatory genes of japonica rice cultivated at northern latitudes por Naranjo, Laura, Talón, Manuel, Domingo, Concha

“…Conclusions: During domestication, rice expansion was accompanied by changes in the regulatory mechanism of flowering. …”
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