Resultados de búsqueda - "potassium"

Salinity effects on the activities of ROS scavenging enzymes in leaves of two sweet potato clones por Mondal, S., Burgert, S., Asch, J., Rahaman, E.H.M.S., Asch, F.

“…Three, five and seven days after salt application the youngest leaves were sampled individually and enzyme activities, potassium (K) and sodium (Na) concentrations, and SPAD (as a proxy for chlorophyll content) were determined. …”
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Towards site and context-specific fertilizer recommendations for maize production in Northern Ghana using AgWise framework (Machine learning component) por Jizorkuwie, Abdul-latif Baamonyor, Tilaye, Asmalu, Amankwa-Yeboah, Patricia, Assefa, Feben, Masoud, Jalaludeen, Akpatsu, Isaac Boatey, Abera, Wuletawu

“…To ensure precision, only studies that reported site-specific trial locations were included, with data gathered on nitrogen, phosphorus, and potassium application and their effects on maize yield. …”
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Influence of arboreal components on the physical-chemical characteristics of the soil under four silvopastoral systems in northeastern Peru por Vásquez Pérez, Héctor Vladimir, Valqui Valqui, Leandro, Bobadilla Rivera, Leidy, Arbizu Berrocal, Carlos Irvin, Alegre Horihuela, Julio, Maicelo Quintana, Jorge Luis

“…The highest phosphorus content was in the SPS with alder (12.64 ppm), and the highest potassium content was in the SPS with cypress (382.33 ppm). …”
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Partición diferencial de nutrientes en arboles de Nothofagus antarctica creciendo en un gradiente de calidades de sitio en Patagonia Sur = Different nutrient allocation in Nothofag... por Gargaglione, Veronica Beatriz, Peri, Pablo Luis, Rubio, Gerardo

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Genotype-environment interaction for production characteristics in cherry tomato (Solanum spp.) por Ceballos Aguirre, Nelson, Vallejo Cabrera, Franco Alirio, Morillo Coronado, Yacenia

“…The objective of this research was to evaluate the genotype-environment interaction for 10 cherry tomato introductions in nine environments, four of which were artificial environments (0, 60, 120 and 180 kg ha-1 of potassium) established in natural environments on the Farms Montelindo, Tesorito and CEUNP. …”
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Gel and Molecular Properties of Nonwaxy Rice Starch por Juliano, Bienvenido O., Perdon, A.A.

“…Gel viscosity was higher in KOH than in potassium acetate but the difference in viscosity was greater for the starch and amylopectin than for amylose.…”
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Effect of liming and phosphorus application on performance of Leucaena leucocephala in acid soils por Duguma, B., Kang, B.T., Okali, D.U.U.

“…High lime rate (2000 ppm) reduced plant growth in Isienu soil probably due to nutrient imbalance. Potassium, manganese and zinc levels in the plants were reduced with increasing lime rates. …”
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Ion exchange equilibria involving aluminum in a kaolinitic Ultisol por Pleysier, J.L., Juo, A.S.R., Herbillon, A.J.

“…In equilibria not involving Al, good reversibility for K-Ca, Na-K and Na-Ca exchanges was obtained. Potassium was selectively adsorbed in all horizons of the profile. …”
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Evaluating coffee yield gaps and important biotic, abiotic, and management factors limiting coffee production in Uganda por Wang, N., Jassogne, Laurence T.P., Asten, Piet J.A. van, Mukasa, D., Wanyama, I., Kagezi, G., Giller, Kenneth E.

“…The results of boundary line analysis indicated that biotic constraints (coffee twig borer) andpoor management practices (unproductive coffee trees and low coffee plant density) restricted Robustaproduction in the Central region; poor soil nutrient status (especially potassium) and lack of mulchingwere the causes of yield loss of Robusta grown in the Northern region. …”
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Element balances and retention for wetlands in the forest environment : case study Bohyttan fen por Lucci, Gina

“…Results show that the effects of forestry practices like clear-cutting increased the transport of nitrate and potassium even six years after it was carried out. …”

Sustainable fertilization of vegetable crops in the highland of Lembang, West Java, Indonesia: Findings from a pilot with vegetable farmers using dairy cattle manure por Putter, Herman de, Vries, Marion de, Adiyoga, Witono, Suharyono, Deni, Gunadi, Nikardi

“…Organic manures should be applied first, whereafter chemical nitrogen and potassium fertilizers should be used to complement nutrient requirements. …”
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Analysis of Bioactive Compounds in Seven Citrus Cultivars por Bermejo, Almudena, Llosa, María José, Cano, Antonio

“…Limonene was the most abundant peel essential oil in all cultivars studied, followed by myrcene. Calcium and potassium were the dominant macronutrients for each cultivar studied, although the proportion of the individual nutrients ranged among different cultivars.…”
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Impact of long term conservation agriculture on soil quality under cereal based systems of North West India por Roy, Dibakar, Datta, Ashim, Jat, Hanuman Sahay, Choudhary, Madhu, Sharma, Parbodh Chander, Singh, Pankaj K., Jat, Mangi Lal

“…The enrichment of soil organic carbon (SOC) content, stock, available nitrogen and potassium was mainly confined to upper surface soil layer (0–5 cm). …”
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Urinsorterande toaletter : rensning av stopp samt uppsamling och attityder por Lindgren, Magnus

“…The collected urine solution from Nytorgsgatan contained 2.8 g of nitrogen, 0.22 g of phosphorus and 0.68 g of potassium per litre. These amounts correspond to 3.4 g of nitrogen, 0.27 g of phosphorus and 0.82 g of potassium per person per day and corresponded to 46, 40 and 49% respectively of the expected amounts, calculated from the average excretion per person with the urine as given by the Swedish Environmental Protection Agency. …”

Longterm effects of land clearing methods, tillage systemsand cropping systems on surface soil properties of a tropical Alfisol in S. W. Nigeria por Hulugalle, N.

“…Grazed pasture depleted exchangeable potassium because it was taken up by the grass and exported from the site by the cattle following consumption of the grass.…”
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Effect of five years of notillage and mulch on soil properties and tuber yield of cassava on an acid Ultisol in southeastern Nigeria por Hulugalle, N.R., Lal, R., Gichuru, M.

“…Soil chemical properties were not significantly affected by tillage system, although levels of exchangeable calcium, magnesium and potassium were higher and acid saturation lower with mulching. …”
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Effect of five years of no-tillage and mulch on soil properties and tuber yield of cassava on an acid Ultisol in southeastern Nigeria por Hulugalle, N., Lal, R., Gichuru, M.

“…Soil chemical properties were not significantly affected by tillage system, although levels of exchangeable calcium, magnesium and potassium were higher and acid saturation lower with mulching. …”
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Geospatial approach to study the spatial distribution of major soil nutrients in the Northern region of Ghana por Antwi, M., Duker, A.A., Fosu, M., Abaidoo, Robert C.

“…Soil samples were taken from these 120 locations and analysed for contents of nitrogen (N), phosphorus (P) and potassium (K). Spatial models of the contents were generated through geostatistical analysis to map the status of N, P and K nutrients across the locations. …”
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The effect of processing on the nutrient content of cassava (Manihot Esculenta Crantz) leaves por Achidi, A.U., Ajayi, O.A., Maziya-Dixon, B.B., Bokanga, M.

“…The processing methods had no effect on ash, lipids, protein, fiber, total carbohydrate, carotene, calcium, magnesium, potassium, sodium, phosphorus, copper, zinc and manganese but produced diminution in free sugars (23.2% reduction), ascorbic acid (77.7% reduction), thiamine (37.1% reduction), cyanogenic potential (>99% reduction) and tannin (55.2% reduction;) levels. …”
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Productividad del ajo [Allium sativum], 1: Fertilización nitrogenada y riegos por Lazzari, M.A, Rosell, R.A, Landriscini, M.R

“…To obtain a high yielding and excellent quality garlic crops it is suggeste, hectare it is suggested: — use proven soil and plant management techniques — mantain good soil phosphorous and potassium levels — apply 150 kg of N/ha diving the vegetative cycle — maintain a high soil moisture level A procedure to establish the crop “quality” by using an “index number” is also presented.…”
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