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Mostrando ítems 81-90 de 6869
Soil physical attributes and corn yield as affected by soil managements and fertilizationAtributos físicos do solo e produtividade do milho sob sistemas de manejo e adubações
(2011-01-01)
No-tillage system is an efficient technique in control of soil erosion, when compared with conventional tillage, however, some studies indicate higher compaction under no-tillage, mainly in the surface layer. Strategies ...
Recuperação da estrutura de um Latossolo vermelho degradado utilizando lodo de esgoto
(2015-01-01)
The aim of this study was to investigate the influence of sewage in the recovery of the structure of a degraded Red Latosol (Oxisol) being cultivated for 4 years with eucalyptus (Eucalyptus citriodora) and (Brachiaria ...
Fibrous-clay mineral formation and soil evolution in Aridisols of northeastern Patagonia, Argentina
(Elsevier Science, 2007-04)
Recent studies of soil–landscape relationships in northeastern Patagonia identified fibrous-clay minerals in calcic and petrocalcic horizons developed on old fluvio-glacial plains called “Rodados Patagónicos” (RP). The ...
Contrasting Effects of Nitrogen and Labile Carbon Addition on N2O Emissions from Andosols in Costa Rica and Chile Under Controlled Conditions
(2022-07-20)
Our study analyzes nitrous oxide (N2O) emissions of two volcanic soils, from a tropical (Costa Rica) and temperate (Chile) environment. Volcanic origin soils are important for dairy production in both countries and ...
Soil-liming effects on the development and nutritional status of the carambola tree and its fruit-yielding capacity
(Taylor & Francis Inc, 2014)
Caracterização mineral de um latossolo vermelho distrófico da região dos Campos Gerais
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de Engenharia QuímicaEngenharia QuímicaUTFPR, 2018-11-23)
This work aims to survey the mineral profile of the Red Latosol Distrophic of the Campos Gerais region of the State of Paraná. The study of soil mineralogy is of fundamental importance, since it is a way of knowing the ...
Formas de fósforo no solo sob utilização de estimulador microbiológico
(Universidade Tecnológica Federal do ParanáDois VizinhosBrasilAgronomiaUTFPR, 2017-06-20)
Phosphorus (P) is essential for plants, so the maintenance of their availability in the soil is fundamental, which occurs mainly with soluble mineral fertilization. However, the indiscriminate use of phosphate fertilization ...
Litter quality of C3 perennial grasses and soil inorganic nitrogen in a semi-arid rangeland of central Argentina
(elsevier, 2008-09)
The study was undertaken to quantify litter quality of six C3 perennial grasses and species effects on soil inorganic nitrogen (N) in a semiarid rangeland of central Argentina. Leaf litter and roots were analyzed for N, ...