Search Results - Minerva~

Nutrient management for cassava-based cropping systems in Northern Vietnam by Thai Phien, Nguyen Cong Vinh

“…In experiments on the application of mineral fertilizers, cassava yields increased by 20- 11 2 % compared to the control treatment. …”
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Nutrient effects of modification of shifting cultivation in west Africa by Juo, A.S., Kang, B.T.

“…The leguminous trees fix atmospheric nitrogen, recycle mineral nutrients from the subsoil, and prevent soil erosion and run-off water on sloping land. 3 On strongly leached acid soils (i.e. …”
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Effect of a zinc amino acid complex on egg production, egg shell quality and external appearance in two laying hen genotypes housed in two different production systems by Boyner, Malin

“…In addition to the effects of age, an organic mineral complex with a hypothesized positive effect on egg quality, integument and skeletal condition was evaluated. …”

Adquisición de equipo agrícola Chile Chico

“…. • Siembra y tapado: Se colocan las semillas de manera manual y se tapa. Esto se realiza en el mes de mayo en el caso del ajo. …”
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Genetic Variation, Diversity and Genotype by Environment Interactions of Nutritional Quality traits in East African Sweetpotato by Tumwegamire, S.

“…However, medium to high positive correlations among mineral traits simplify selection aiming at elevated mineral contents in sweetpotato and it merits research if the trait complex of minerals can be improved more efficiently by an index. …”
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¿Cómo podemos mejorar la finca cafetalera en la cuenca? : una guía de apoyo a procesos de reflexión-acción-reflexión participativos con familias productoras y promotores técnicos by Virginio Filho, Elias de Melo, Barrios Aguirre, Mirna, Toruño Morales, Isabel

“…Este cuaderno es una herramienta abierta y flexible que puede ser utilizada de diferentes maneras, sea en sesiones grupales o en prácticas individuales con productores/as y técnicos/as. …”
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Implementación de un huerto escolar agroecológico como herramienta para el aprendizaje y percepciones sobre agroecología con escuelas primarias rurales by Torres E., Xiomara M.

“…La agricultura convencional se manifiesta de manera global en los sistemas de producción, lo cual generar impactos socioambientales negativos. …”
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Historia del Micropterus Salmoides (Black Bass) en Honduras by Cruz, Gustavo

“…Durante muchos años el "Black Bass" de Joyoa había permanecido ignorado por la mayoría de los hondureños excepto por los campesinos pescadores que habitan en la orilla; hasta que la mortandad masiva de peces de los años 1972 y 1976 resaltó su presencia e hizo del conocimiento público la forma en que la empresa minera "Rosario Resources Corporation" ha venido utilizando el Lago de Yojoa; además, merece atención la destrucción del bosque de la cuenca debido a los asentamientos humanos.…”
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Geoquímica ambiental en países tropicales :memorias.

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Biochar addition persistently increased soil fertility and yields in maizesoybean rotations over 10 years in sub-humid regions of Kenya by Kätterer, T., Roobroeck, D., Andrén, O., Kimutai, G., Karltun, E., Kirchmann, H., Nyberg, G., Vanlauwe, Bernard, Nowina, K.R. de

“…Crop yield responded positively to biochar at all sites and yield responses were similar with and without mineral fertiliser, i.e., the effects of biochar and mineral fertiliser were additive. …”
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Increased cassava growth and yields through improved variety use and fertilizer application in the highlands of South Kivu, Democratic Republic of Congo by Munyahali, W., Birindwa, D.R., Pypers, P., Swennen, R., Vanlauwe, Bernard, Merckx, Roel

“…Although the importance of combined application of mineral fertilizer and farm yard manure was demonstrated, no evidence of macronutrient limitations to cassava production was proven under the specific conditions of the study sites. …”
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What shapes yields of East African Highland banana? An explorative study from farmers’ fields by den Braber, H., van de Ven, G., van Heerwaarden, J., Marinus, W., Ronner, E., Descheemaeker, K., Taulya, G.

“…Research should be conducted to unravel the effect of mulch and different combinations and rates of manure and mineral fertilizer on banana yields.…”
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Shifting focus from external to in situ organic resources – the redesign of four tropical long-term experiments by Laub, M., Corbeels, M., Ndungu, S.M., Mucheru-Muna, M.W., Mugendi, D., Yegon, R., Waswa, W., Vanlauwe, B., Six, J.

“…Initially, they focused on investigating how to maintain or increase SOC and maize yields over time by applying a combination of mineral nitrogen (N) and external organic resources. …”
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Evaluating DayCent and STICS in simulating the long-term impact of contrasting organic resource amendments on soil organic carbon and maize yields in sub-Saharan Africa by Couedel, A., Laub, M., Ranaivomanana, R., Falconnier, G.N., Cardinael, R., Mucheru-Muna, M.W., Mugendi, D., Vanlauwe, B., Six, J., Corbeels, M.

“…A key component of Integrated Soil Fertility Management (ISFM), namely combining inputs of mineral fertilizers and organic resources, presents an opportunity to boost yields and maintain soil organic carbon (SOC) stocks in the long run. …”
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Soil Phosphatase Activities across a Liming Gradient under Long-Term Managements in Kenya by Margenot, Andrew J., Sommer, Rolf, Parikh, Sanjai J.

“…Core Ideas We investigated liming in soil mesocosms from 11‐yr managements: no input, mineral N+P, and manure. There were minor or no changes in labile inorganic P, labile organic P, and microbial biomass P. …”
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Evaluation of the antagonistic activity of Rhodotorula babjevae and its extracellular compounds towards postharvest pathogens by Sandberg, Caroline

“…The antagonistic activity towards B. cinerea could be explained by its slower growth rate, which provided the yeast time to acclimatize to the new environment. …”
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Desarrollo de Competencias Laborales en el Sector Lechero, Parte II

“…Por la importancia que tiene este recurso, se hace necesario abordar de manera explícita y en profundidad todos los tópicos relacionados al manejo de praderas.…”
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El Arte del telar Mapuche : Rescate Cultural : Manual Territorial de Iconografía Mapuche

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Manual de normas y procedimientos. by Jaime Cadena Santos, José Pérez Franco

“…Las enfermedades que afectan la salud de los animales domésticos inciden de una manera negativa en la producci6n y productividad de la eoonomía pecuaria nacional y muchas de ellas afectan de una manera más o menos grave la salud del hombre.…”
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Trazado, ahoyado y trasplante

“…Transplantar el colino de manera que quede bien establecido.…”
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