Resultados de búsqueda - ".cu"
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Calibración y validación de algoritmo del programa TaurusWebs para análisis de minerales en pasturas
Publicado 2022“…Los minerales analizados son: Potasio (K), Fosforo (P), Magnesio (Mg) y Calcio (Ca) y microminerales: Cobre (Cu), Hierro (Fe), Manganeso (Mn), Zinc (Zn) y Azufre (S). …”
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Optimising locally available resources for nutrient management to improve banana productivity in the farming systems in Rombo District, Kilimanjaro region
Publicado 2019“…The major nutrient deficiencies were K>Mn>P=Zn>Cu in 40, 35, 34 and 32% of low-yield areas, respectively. …”
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Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa
Publicado 2019“…The frequencies of soil test Zn, Cu, and B being below their critical level were 28, 2 and 10% for eastern and southern Africa, respectively, and 55, 58 and 89% for western Africa, while low levels for other SMN were less frequent. …”
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Soil and farm management effects on yield and nutrient concentrations of food crops in East Africa
Publicado 2020“…Total elemental concentrations of Mg, P, S, K, Ca, Fe, Zn, Mn and Cu were measured using a portable X-Ray Fluorescence Spectrometer (pXRF) in maize grain (Zea mays; Teso South, Kenya: n = 31; Kapchorwa, Uganda n = 30), cassava tuber (Manihot esculenta; Teso South: n = 27), and matooke fruit (Musa acuminata; Kapchorwa, n = 54). …”
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Tài liệu hướng dẫn Xây dựng bản đồ rủi ro và kế hoạch thích ứng với biến đổi khí hậu (CS-MAP) cho sản xuất lúa ở Việt Nam
Publicado 2021“…Sử dụng phương pháp tiếp cận có sự tham gia, CS-MAP là sách hướng dẫn giúp cộng đồng địa phương xây dựng bản đồ rủi ro và kế hoạch thích ứng của riêng họ để phục vụ cho điều kiện cụ thể của địa phương.…”
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Nutritional benefits of improved post-harvest handling practices for maize and common beans in Northern Tanzania: a quantitative farm-level assessment
Publicado 2022“…Nutrients redeemed by improved practices at the late stage corresponded to 16–55 more days of calories and protein sufficiency for households, and significant extra days of minerals sufficiency, including Zn (16–56), Cu (23–81), Mg (45–166), and K (7–26). The gains have relevance for nutritionally-challenged households.…”
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Genetic characterization of spring wheat germplasm for macro-, microelements and trace metals
Publicado 2022“…The highest numbers of MEAs were identified for Mg (499), followed by S (399), P (394), Ni (381), Cd (243), Ca (229), Mn (224), Zn (212), Sr (212), Cu (111), Rb (78), Fe (63), Mo (43), K (32) and Co (19). …”
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Surface water quality, public health, and ecological risks in Bangladesh—a systematic review and meta-analysis over the last two decades
Publicado 2023“…The majority of the rivers in Bangladesh also have Zn, Cu, Fe, Pb, Cd, Ni, Mn, As, and Cr concentrations that exceed the WHO permissible limits for safe drinking water, while their metal concentrations exceed the safety threshold for irrigation. …”
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Roles of Brønsted-base and Brønsted-acid catalysts for glucose isomerization into fructose and fructose dehydration into 5-hydroxymethylfurfural
Publicado 2024“…Furthermore, PEGDA-3SMP-Cu2+ demonstrated a considerable yield of fructose compared to other metal ion-modified Brønsted-acid catalysts. …”
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Genetic mapping of QTL for agronomic traits and grain mineral elements in rice
Publicado 2019“…We performed QTL mapping for four agronomic traits: days to 50% flowering, plant height, number of tillers, grain yield, and 13 grain elements: As, B, Ca, Co, Cu, Fe, K, Mg, Mn, Mo, Na, P, and Zn, in two doubled-haploid populations derived from the crosses IR64 × IR69428 and BR29 × IR75862. …”
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Identification of genomic regions associated with agronomic and biofortification traits in DH populations of rice
Publicado 2018“…Eight epistatic interactions were detected for Cu, Mg, Na, and Zn in population 1. Furthermore, we identified several candidate genes near QTLs for grain Zn (OsNRAMP, OsNAS, OsZIP, OsYSL, OsFER, and OsZIFL family) and grain yield (OsSPL14 and OsSPL16). …”
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2D-layered inorganic nanomaterials (2D-LIN) for adsorptive mitigation of heavy metals: a next-generation contender for purification of textile effluent
Publicado 2025“…The textile industry, despite being a cornerstone of global manufacturing and a major contributor to economic growth, is a leading source of environmental pollution, especially via effluents containing toxic heavy metals such as Pb2⁺, Cd2⁺, Cu2⁺, and Cr⁶⁺. These contaminants pose serious ecological and health threats due to their non-biodegradable and bio-accumulative nature. …”
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How do earthworms influence organic matter quantity and quality in tropical soils?
Publicado 2011“…We also characterized their lignin component after oxidation with cupric oxide (CuO). The C content of smaller size fractions (<500 mm) in the control soil was higher than in the larger fractions. …”
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Influence of soil chemical and physical properties on occurrence of Trichoderma spp. in Embu, Kenya = Influencia de las propiedades químicas y físicas del suelo sobre la ocurrencia...
Publicado 2009“…Napier together with other cultivated LUTs which had low records of the fungus loaded positively with Mn and Cu. This implied that plant type was the major determining factor for the high population of Trichoderma recorded in napier LUT. …”
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Soil organic matter in oxisols of the Brazilian cerrados
Publicado 1999“…We assessed soil organic carbon (SOC), polysaccharides, and CuO oxidation products (VSC-lignin). Few changes were found in SOC contents of topsoil (0-12 cm) under different land uses after 10-20 years. …”
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Quantification of total element concentrations in soils using total X-ray fluorescence spectroscopy (TXRF)
Publicado 2013“…Subsequent analysis revealed that TXRF determined total element concentrations of Al, K, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, and Ga accurately (model efficacy/slope close to 1:1 line, and R(2)>0.80) over a wide range of soil samples. …”
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Nutrients limiting soybean (glycine max l) growth in acrisols and ferralsols of western Kenya
Publicado 2015“…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. Visual deficiency symptoms observed included interveinal leaf yellowing in Mg omission and N addition and dark green leaves in P omission. …”
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Indigenous Arbuscular mycorrhizal fungi and growth of tissue-cultured banana plantlets under nursery and field conditions in Rwanda
Publicado 2013“…Inoculation with A1-lF enhanced height and leaf surface area growth of Ie plantlets in both soils and both cu1tivars. The inoculation was more effective on 'Mpologoma' than on '](amaramasenge', and mixed inoculants were more effective than the Single-species inoculum, particularly under field conditions, where up to 30'% increase in height, girth and leaf surface area was recorded in 'Mpologoma'. …”
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Effect of biochar derived from faecal matter on yield and nutrient content of lettuce (Lactuca sativa) in two contrasting soils
Publicado 2018“…For both soils, most nutrients analyzed (N, P, K, Mg, Cu and Zn) were within or marginally above optimum ranges for lettuce under biochar amendment. …”
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