Resultados de búsqueda - "potassium"

Complementary effects of organic and mineral fertilizers on maize production in the smallholder farms of Meru South District, Kenya por Mutegi, Edwin Mwiti, Biu Kung'u , James, Mucheru-Muna, M., Pieter, Pypers, Mugendi, Daniel Njiru

“…The general soil fertility parameters changed slightly with Calcium, Magnesium and Potassium increasing in all treatments. The organic Carbon and total Nitrogen was higher in treatments that received sole organic N sources than in sole mineral N and a combination of organic and mineral N sources. …”
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Small holders managed manure nutrient losses and their implications on environment por Alemayehu, N., Masafu, M.M., Ebro, A., Tegegne, Azage

“…But volatilization of ammonia due to high temperature and leaching of nitrate, phosphorous and potassium into the soil due to rainfall results in the loss of manure nutrients. …”
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Nutrients limiting soybean (glycine max l) growth in acrisols and ferralsols of western Kenya por Keino, L., Baijukya, Frederick P., Ng'etich, W., Otinga, A.N., Okalebo, J.R., Njoroge, R., Mukalama, J.

“…The experiment was laid out in a completely randomized design with ten treatments viz; positive control (complete), negative control (distilled water), complete with lime, complete with N, minus macronutrients P, potassium (K), calcium (Ca), magnesium (Mg) and sulphur (S) and with, micro-nutrients boron (B), molybdenum (Mo), manganese (Mn), copper (Cu) and zinc (Zn) omitted. …”
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Effects of arbuscular mycorrhizal inoculation and phosphorus application on yield and nutrient uptake of yam por Dare, M.O., Abaidoo, Robert C., Fagbola, O., Asiedu, Robert

“…Uptake of P was greatest at 0.5 mg P kg–1 soil in both genotypes and was significantly influenced by AM inoculation. Nitrogen (N) and potassium (K) uptake were greatest in mycorrhizal plants at 0.05 mg P kg–1 soil for TDr 97/00903 but at 0.5 mg P kg–1 soil of nonmycorrhizal plants of TDa 297. …”
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Minerals content of extruded fish feeds containing cricket (Acheta domesticus) and black soldier fly larvae (Hermetia illucens) fractions por Irungu, F.G., Mutungi, C.M., Faraj, A.K., Affognon, Hippolyte D., Tanga, C., Ekesi, S., Nakimbugwe, D., Fiaboe, K.K.M.

“…The results showed a significant increase (P < 0.05) in the levels of phosphorus and potassium as the level of fish meal substitution increased from 0 to 75%. …”
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Landscape approach to assess key soil functional properties in the highlands of Cameroon: Repercussions of spatial relationships for land management interventions por Takoutsing, B., Martín, J.A.R., Weber, John C., Shepherd, Keith D., Sila, Andrew M., Tondoh, Jérôme E.

“…A total of 320 soil samples were collected in two sites with contrasting land uses (agricultural and pasture) and were analyzed for granulometric fraction, soil organic carbon (SOC), nitrogen (N), soil reaction (pH), phosphorous (P), calcium (Ca), potassium (K), magnesium (Mg), aluminum (Al) and zinc (Zn). …”
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Characterization of Coffea arabica L. parent plants and physicochemical properties of associated soils, Peru por Alvarado Chuqui, Wigoberto, Bobadilla Rivera, Leidy Gheraldine, Valqui Valqui, Leandro, Silva Valqui, Gelver, Valqui Valqui, Lamberto, Vigo Mestanza, Carmen Natividad, Vásquez Pérez, Héctor Vladimir

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Rye production under acid soils and drought conditions: an alternative for the sustainability of high Andean livestock farming in Peru por Carrasco Chilón, William Leoncio, Alvarez García, Wuesley Yusmein, Cervantes Peralta, Marieta Eliana, Quilcate Pairazamán, Carlos Enrique, Vásquez Pérez, Héctor Vladimir

“…The production of green forage, hay, and grain from the rye crop in acid soils was studied with the use of different levels of phosphorus and potassium fertilization in four local rye ecotypes (CBI-001, CSM-001, CJS-001, and CCE-001). …”
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Fertilización con N, P y K en Eucalyptus grandis W. Hill ex Maiden evaluado a los nueve meses en Misiones = Fertilization with N, P y K in Eucalyptus grandis W. Hill ex Maiden eval... por Von Wallis, Alejandra, Lupi, Ana Maria, Guarnaschelli, Ana Beatriz

“…To evaluate growth response to the application of nitrogen (N), phosphorus (P) and potassium (K) in the establishment of plantations of E. grandis on growth, a fertilization assay was installed. …”
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Edible Composite Coatings Formulated with Antifungal GRAS Compounds: a Novel Approach for Postharvest Preservation of Fresh Citrus Fruit por Palou, Lluís, Pérez-Gago, María B., Valencia-Chamorro, Silvia A.

“…Coatings containing sodium benzoate or potassium sorbate, alone or mixed with sodium propionate, were the most effective in reducing the incidence and severity of both molds on fruit coated 24 h after fungal inoculation (curative activity). …”
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Effect of Antifungal Hydroxypropyl Methylcellulose-Lipid Edible Composite Coatings on Penicillium Decay Development and Postharvest Quality of Cold-Stored "Ortanique" Mandarins por Valencia-Chamorro, Silvia A., Pérez-Gago, María B., Del-Río, Miguel A., Palou, Lluís

“…Selected food preservatives included potassium sorbate (PS), sodium benzoate (SB), sodium propionate (SP), and their mixtures. …”
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Principal component analysis of chemical properties of soil saturation extracts from an irrigated Mediterranean area: Implications for calcite equilibrium in soil solutions por Visconti, Fernando, De-Paz, José M., Rubio, José L.

“…Alkalinity, pH, chemical oxygen demand, and nitrite were correlated with the second principal component. Nitrate, potassium and ammonium concentrations were correlated with the third principal component, and their variation in soil was independent of soil saturation extract salt content and soil depth. …”
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Use of Nitrification Inhibitor DMPP to Improve Nitrogen Uptake Efficiency in Citrus Trees por Martínez-Alcántara, Belén, Quinones, Ana, Polo, Carolina, Primo-Millo, Eduardo, Legaz, Francisco

“…The objective of this study was to evaluate the performance of DMPP added to ammonium sulphate (AS+DMPP), compared to ammonium sulphate (AS) and calcium-potassium nitrate (CPN), in fertigation of bearing orange trees grown outdoors in drainage lysimeters. …”
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Changes in soil characteristics due to the establishment of teak (Tectona grandis L.f.) plantations in pastures in Petén, Guatemala por Rodas Castellanos, Aldo F.

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Efecto del establecimiento de plantaciones forestales de teca (Tectona grandis L.f.) en áreas de potrero sobre las características del suelo en Petén, Guatemala por Rodas Castellanos, A.F.

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Salt to ruminants and horses por Johansson, Karolina

“…Sodium, together with potassium (K+) and chloride, is one of the most important ions for the body regulates pH and osmotic pressure. …”

Innehåller stressad spenat mer antioxidanter? por Roos, Sofia

Interactions between the germplasm of okra (Abelmoschus spp.) and Aphids with special reference to Aphis gossypii Glover (Hemiptera: Aphididae) in Cameroon por Abang, A.F.

“…Total tannins increased in the resistant accessions and reduced in Kirikou, the susceptible farmers’ check at all plant growth stages. The total sugars, potassium and reducing sugars played a role in offering resistance in plants with or without aphids. …”
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Análisis comparativo de calidad de ADN de líquido ruminal obtenido por diferentes métodos de extracción = Comparative analysis of ruminal fluid DNA quality obtained by different e... por Uñates Pellene, Francisco Augusto, Nieto, Ramón Alberto, Juárez Sequeira, Ana Verónica, Ceron Cucchi, Maria Esperanza, Palma, Gustavo Adolfo, Coria, María Sumampa

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Indicadores edáficos de calidad en suelos con y sin laboreo en cultivo de batata con distintos antecesores por Ulle, Jorge Angel, Espindola, José Antonio, Martinez, Fortunato, Marti, Hector Ruben, Faggioli, Valeria Soledad, Ortega y Villasana, Pilar

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