Results 11 to 20 of about 23,734,757 (241)

The role of conservation soil management on soil and water protection at different spatial scales [PDF]

open access: yes, 2006
Agriculture has a direct impact on the soil environment, altering soil properties, surface characteristics and erosion risk. This has led to a move away from conventional tillage to the adoption of conservation practices, aiming to minimise soil ...
Cooper, Sophie E.
core   +7 more sources

Effects and Economic Sustainability of Biochar Application on Corn Production in a Mediterranean Climate

open access: yesMolecules, 2021
The effects of two types of biochar on corn production in the Mediterranean climate during the growing season were analyzed. The two types of biochar were obtained from pyrolysis of Pinus pinaster.
Juan Luis Aguirre   +3 more
doaj   +1 more source

Degradation and leaching of bentazone, terbuthylazine and S-metolachlor and some of their metabolites: A long-term lysimeter experiment

open access: yesPlant, Soil and Environment, 2019
The degradation and leaching of bentazone, terbuthylazine and S-metolachlor and their metabolites N-methyl-bentazone, desethyl-terbuthylazine, 2-hydroxy-terbuthylazine, metolachlor ethane sulfonic acid (ESA) and metolachlor oxanilic acid (OA) were ...
Andrea Schuhmann   +6 more
doaj   +1 more source

3D-Printed Graphene Electrodes Applied in an Impedimetric Electronic Tongue for Soil Analysis

open access: yesChemosensors, 2019
The increasing world population leads to the growing demand for food production without expanding cultivation areas. In this sense, precision agriculture optimizes the production and input usage by employing sensors to locally monitor plant nutrient ...
Tatiana Americo da Silva   +5 more
doaj   +1 more source

Boro disponível e resposta da soja em latossolo vermelho-amarelo do Mato Grosso Evaluating available boron and soybean response to boron in an oxisol from central-western Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2008
Em observações de campo, muitas vezes não tem sido possível detectar diferenças nos teores de B no solo com a aplicação de adubos boratados, embora os teores do nutriente nas folhas apresentem resposta, havendo dúvidas quanto à eficiência do método de ...
Ciro Antonio Rosolem   +2 more
doaj   +1 more source

Avaliação de métodos para estimativa da disponibilidade de fósforo para arroz em solos de Várzea do Rio Grande do Sul Estimation methods of phosphorus availability for rice in flooded soils in Rio Grande do Sul, Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2008
A eficácia da análise de solo depende de quanto o valor obtido pelo método está correlacionado com a quantidade do nutriente absorvida pela planta, em solos de uma determinada região de utilização do sistema de recomendação de adubação.
Leandro Souza da Silva   +4 more
doaj   +1 more source

Estimation of key potentially toxic elements in arid agricultural soils using Vis-NIR spectroscopy with variable selection and PLSR algorithms

open access: yesFrontiers in Environmental Science, 2023
Potentially toxic elements (PTEs) pose a significant threat to soil and the environment. Therefore, the fast quantification of PTEs is crucial for better management of contaminated sites.
Said Nawar   +5 more
doaj   +1 more source

Fertilidade do solo, nutrição mineral e produtividade da bananeira irrigada por dez anos Soil fertility, plant mineral nutrition and productivity of irrigated banana for a ten-year period

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar as alterações na fertilidade do solo, na nutrição mineral e na produtividade de bananeira irrigada por dez anos. O experimento foi conduzido em Latossolo Vermelho eutrófico, de 1997 a 2007, no Município de Janaúba ...
Luiz Arnaldo Fernandes   +4 more
doaj   +1 more source

[United States Soil Survey Report]

open access: yes, 1988
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads.
Texas Agricultural Experiment Station   +2 more
core   +3 more sources

Fósforo em solos representativos do estado da paraíba: II- disponibilidade de fósforo para plantas de milho Phosphorus in representative soils of the state of paraíba: II- phosphorus availability for corn plants

open access: yesRevista Brasileira de Ciência do Solo, 2009
Os laboratórios de fertilidade do solo do Estado da Paraíba utilizam apenas o extrator Mehlich-1 para avaliar o teor de P disponível, independente do grau de intemperismo do solo.
Daise Ribeiro de Farias   +5 more
doaj   +1 more source

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