Leaching Of Nutrients
Mostrando 1-12 de 29 artigos, teses e dissertações.
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1. Content, extraction and export of nutrients in sugarcane under salinity and leaching fraction
RESUMO Objetivou-se avaliar o teor dos macronutrientes e também o teor de cloro e sódio, na folha diagnóstico, e a extração e a exportação dos macronutrientes, em cana-de-açúcar irrigada com águas salinas e frações de lixiviação. Utilizou-se delineamento inteiramente casualizado em esquema fatorial 5 x 2, com quatro repetições, cinco níveis
Rev. bras. eng. agríc. ambient.. Publicado em: 01/07/2019
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2. Vermicompost and biochar substrates can reduce nutrients leachates on containerized ornamental plant production
RESUMO A produção de plantas ornamentais em contêineres está enfrentando vários desafios ambientais. Um deles é substituir os substratos amplamente utilizados, mas com sustentabilidade questionável, baseados em turfa, e outro é evitar a contaminação da água por produtos químicos lixiviados do viveiro. Verificou-se que as plantas de petúnia e ger
Hortic. Bras.. Publicado em: 15/04/2019
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3. PERFORMANCE OF TIFTON 85 GRASS UNDER FERTIRRIGATION WITH SLAUGHTERHOUSE WASTEWATER
ABSTRACT: The aim of this study was to evaluate the performance of Tifton 85 grass cultivated in soil columns and fertilized with different wastewater doses of swine slaughterhouse. The experiment was conducted in the Environmental Engineering Center and Sanitary of UFLA/MG in PVC columns filled with Dark Red Latosol (Oxisol) and randomly distributed. The tr
Eng. Agríc.. Publicado em: 2017-08
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4. Do Rates and Splitting of Phosphogypsum Applications Influence the Soil and Annual Crops in a No-Tillage System?
ABSTRACT Applications of phosphogypsum (PG) provide nutrients to the soil and reduce Al3+ activity, favoring soil fertility and root growth, but allow Mg2+ mobilization through the soil profile, resulting in variations in the PG rate required to achieve the optimum crop yield. This study evaluated the effect of application rates and splitting of PG on soil f
Rev. Bras. Ciênc. Solo. Publicado em: 2016
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5. The influence of peeling and type of drying on chemical and sensorial analysis of organic coffee
Organic coffee is characterized by being produced without the use of chemical products and by having a similar or superior quality in comparison to that of coffee produced by traditional methods. The production of organic coffee does not include the use of highly soluble nutrients, which makes consumers concerned with environmental issues and healthy eating
Food Sci. Technol. Publicado em: 10/06/2014
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6. Nutrients behavior from the association pig slurry and chemical fertilizers on soybean crop
This study aimed at evaluating the effects of pig slurry application with mineral fertilizer on ions leaching from the soil in soybean crop. The experiment was carried out in 24 drainage lysimeters under protection. The soybean cultivar CD 202/COODETEC was sown in a soil that received 0, 100, 200 and 300 m³ha-1of pig slurry in one cycle, with or without min
Braz. arch. biol. technol.. Publicado em: 2013-10
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7. Impacts of doses and split fertilization on productivity, leaching and nutrient cycling in eucalypt plantation / Impactos das doses e do parcelamento da fertilização na produtividade, lixiviação e ciclagem de nutrientes em plantações de eucalipto
No Brasil, está ocorrendo a expansão da área florestal plantada com espécies do gênero Eucalyptus, sendo que a elevada produtividade pode ser atribuída às pesquisas e melhorias operacionais introduzidas nas ultimas décadas. Nos experimentos realizados em diferentes regiões do Brasil, tem se observado maior incremento dos eucaliptos com o aumento das
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/12/2011
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8. Leaching of nitrogen, potassium, cacium and magnesium in a sandy soil cultivated with sugarcane.
A lysimeter experiment was carried out with sugarcane aiming to evaluate the leaching of nitrogen derived from either urea (15N) or the soil/sugarcane crop residues. The leaching of K+, Ca2+, and Mg2+ was also evaluated. The experiment was a factorial 2x4. The influencing factors were: firstly, the differential addition of two kinds of sugarcane remains to t
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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9. Potassium doses and frequency of application to alfalfa in tropical soil.
Providing an adequate supply of nutrients is important for alfalfa production and is essential to maintain high quality and profitable yields. Potassium fertilization is essential for alfalfa production (Rassini and Freitas, 1998) and is the most common nutrient input for this crop in the high weathered, low-fertile and acids soils of tropical regions. High-
INTERNATIONAL PLANT NUTRITION COLLOQUIUM. Publicado em: 2011
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10. Establishment of recommendations and parameters for use of urban waste compost in agriculture in the State of Sao Paulo - Brazil.
The organic matter present in urban waste (45 to 60% of total dry mass), after being stabilized in the form of compost, is recommended for application in agricultural soils, since it improves its physical and chemical properties and benefits the soil biological processes. Also, the urban waste compost has been economically viable for application in agricultu
INTERNATIONAL ORBIT CONFERENCE. Publicado em: 2011
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11. Emissões naturais e antrópicas de metais e nutrientes para a bacia inferior do rio de contas, Bahia
Emission factors of anthropogenic activities and natural processes were used to estimate nutrients and metals loads to the Contas River lower basin, Southern Bahia, Brazil. Among natural sources, emission from soil leaching is larger for N, Cu and Pb. Atmospheric deposition is the major natural source of P, Zn, Cd and Hg. Among anthropogenic sources, agricul
Química Nova. Publicado em: 2010
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12. ANÁLISE QUÍMICA DO LIXIVIADO DA ÁGUA DE XISTO EM UM LATOSSOLO VERMELHO ESCURO DISTRÓFICO
Industrial processes generate a series of products, often without applicability becomes waste that contribute to pollution of soil, air and water. Some products may be reused and / or processed into raw materials for other processes. In this context, analyzed the water of oil shale (a byproduct of the process of obtaining the oil shale) using an Instrumental
Publicado em: 2009