Resultados de búsqueda - "potassium"
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Trade-offs in the genetic control of functional and nutritional quality traits in UK winter wheat
Publicado 2022“…Mineral nutrient concentrations were lower in Rht-D1b lines for many elements, in wholemeal and white flour, but potassium concentration was higher in Rht-D1b lines. …”
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Yield, water productivity and nutrient balances under different water management technologies of irrigated wheat in Ethiopia
Publicado 2022“…Further, three input and output variables were considered to determine the partial nutrient balances of nitrogen (N), phosphorus (P) and potassium (K). The results showed that the amount of irrigation water used was 33% and 22% less with a wetting front detector and Chameleon sensors, respectively, compared to the farmers’ practice. …”
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Estimating the potential of spices for mineral provision in a refugee context in East Africa
Publicado 2023“…The samples were analyzed for selected elements using Portable X-Ray Fluorescence (PXRF). The contents of potassium (K), calcium (Ca), zinc (Zn) and strontium (Sr) in turmeric powder were statistically different among geographic origins (Ethiopia, Kenya and Uganda). …”
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Consistency, variability, and predictability of on-farm nutrient responses in four grain legumes across east and west Africa
Publicado 2023“…Whereas legumes can meet a large part of their nitrogen (N) requirement through symbiosis with N2-fixing bacteria, elements such as phosphorus (P), potassium (K) and secondary and micronutrients may still be limiting and require supplementation. …”
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Haplotype-based phylogenetic analysis and population genomics uncover the origin and domestication of sweetpotato
Publicado 2024“…Our analyses revealed that genes involved in storage root formation, maintenance of genome stability, biotic resistance, sugar transport, and potassium uptake were selected during the speciation and domestication of sweetpotato. …”
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Biochar as soil amendment in climate-smart agriculture: Opportunities, future prospects, and challenges
Publicado 2024“…Biochar’s agronomic potential in the soil is affected by physical and chemical properties, such as surface area, particle density, and pore size distribution, as well as pH, electrical conductivity, total and plant-available concentrations of carbon, nitrogen, potassium, and phosphorus, cation exchange capacity, and certain minor nutrients. …”
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Impact of Terminal Heat and Combined Heat-Drought Stress on Plant Growth, Yield, Grain Size, and Nutritional Quality in Chickpea (Cicer arietinum L.)
Publicado 2023“…Mineral profile analysis according to the contrasting tolerance clusters revealed decreased potassium content in susceptible genotypes, indicating genetic potential in the studied chickpea collection, ensuring tolerance to both stresses while maintaining good grain quality.…”
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Blockage of apoplastic bypass-flow of water in rice roots by insoluble salt precipitates analogous to a Pfeffer cell
Publicado 2005“…Aerenchyma of two different root zones (20–50 and 50–100 mm from the apex) was perfused with 1 m m potassium ferrocyanide (K4[Fe(CN)6]) while the whole root segments were bathed in 0.5 m m copper sulphate (CuSO4) medium. …”
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Characterizing the soils of Eastern Zambia
Publicado 2025“…Phosphorus (P) levels were mostly moderate to high, except in Nyimba, where they were relatively low. Potassium (K) was generally moderate across districts, except in Nyimba, where it was high. …”
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Synergistic conservation approaches for nurturing soil, food security and human health towards sustainable development goals
Publicado 2024“…Effective use of nitrogen (N), phosphorus (P), and potassium (K) fertilizers is vital for both environmental sustainability and food security. …”
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Evaluation and refinement of zinc management options for field-specific nutrient management in eastern India
Publicado 2025“…At each location, five treatment plots were established in which nitrogen (N), phosphorus (P) and potassium (K) were applied to rice following site-specific nutrient management as guided by Rice Crop Manager (RCM), a web-based tool. …”
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Characterizing soils of Eastern Zambia
Publicado 2025“…Phosphorus (P) levels were mostly moderate to high, except in Nyimba, where they were relatively low. Potassium (K) was generally moderate across districts, except in Nyimba, where it was high. …”
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Transforming soil quality index predictions in the Nile River Basin using hybrid stacking machine learning techniques
Publicado 2025“…Eleven key soil quality indicators such as bulk density (BD), sand, silt, clay, pH, electrical conductivity (EC), organic carbon (OC), calcium (Ca), nitrogen (N), phosphorus (P), and potassium (K) were analyzed to estimate the observed SQI (SQIobs) using a PCA-based scoring method and geostatistical techniques. …”
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Fruit and vegetable peels as alternative feed for sustainable poultry production: A solution for small-scale farms in central and southern Ethiopia
Publicado 2026“…Banana peel ranked second (18.89%) with moderate protein (5.5%) and high potassium (482 mg/100 g, p < 0.001), while cassava peel showed exceptional calcium (178.7 mg/100 g) and phosphorus (97 mg/100 g) content (p < 0.001) but required detoxification due to elevated oxalates (283.3 mg/100 g) and tannins (0.7 mg/100 g, p < 0.001). …”
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Increasing nutrient use efficiency through improved feeding and manure management in urban and peri-urban livestock units of a West African city: A scenario analysis
Publicado 2013“…With improved manure management, dry matter (DM) and nutrients recycled per animal and year, and potentially available for cropping, ranged from 321–690 kg DM, 8–22 kg N, 1.2–2.5 kg phosphorus (P), and 3.0–5.6 kg potassium (K) in AH as well as AH+G+M farms compared to 221–479 kg DM, 5.0–14.0 kg N, 0.7–1.6 kg P, and 2.0–4.0 kg K in AH+G farms. …”
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Forage legumes for improved fallows in agropastoral systems of subhumid West Africa. II. Green manure production and decomposition after incorporation into the soil
Publicado 1999“…Highest loss rates were observed for potassium followed by phosphorus and nitrogen. Half-life values for undecomposed residue dry matter were in the range of 2-8 weeks. …”
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Carbon sequestration and land rehabilitation through Jatropha curcas (L.) plantation in degraded lands
Publicado 2012“…Along with C additions, 4000 kg ha−1 year−1 plant biomass recycled into the soil 85.5 kg nitrogen, 7.67 kg phosphorus, 43.9 kg potassium, 5.20 kg sulphur, 0.11 kg boron, 0.12 kg zinc and other nutrients. …”
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Effect of integrated soil fertility management interventions on the abundance and diversity of soil collembola in Embu and Taita districts, Kenya
Publicado 2011“…Soil samples were randomly collected from on farm plots amended with: 1-Mavuno ((Ma)-is a compound fertilizer containing 26% Potassium, 10% Nitrogen, 10% Calcium, 4% Sulphur, 4% Magnesium and trace elements like Zinc, Copper, Boron, Molybdenum and Manganese)), 2-Manure (Mn), 3-Trichoderna (Tr) inoculant (is a soil and compost-borne antagonistic fungus used as biological control agent against plant fungal diseases), 4-Farmers practice ((FP) where Tripple Super Phosphate (T.S.P.) and Calcium Ammonium Nitrate (C.A.N.) fertilizers are applied in the soil in mixed form), 5-Tripple Super Phosphate (T.S.P.), 6-Calcium Ammonium Nitrate (C.A.N.). …”
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Decomposition and nutrient release by green manures in a tropical hillside agroecosystem
Publicado 2002“…1), while those of Cratylia argentea (CRA) and the stems evaluated decomposed slowly (k=0.007±0.002 d?1). Potassium presented the highest release rates (k>0.085 d?…”
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Forage legumes for improved fallows in agropastoral systems of subhumid West Africa. II. Green manure production and decomposition after incorporation into the soil
Publicado 1999“…Highest loss rates were observed for potassium followed by phosphorus and nitrogen. Half-life values for undecomposed residue dry matter were in the range of 2–8 weeks. …”
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