Buscar
Mostrando ítems 21-30 de 13514
Carbon Stocks and Isotopic Composition of the Organic Matter in Soils Covered by Native Vegetation and Pasture in Sorocaba, SP, Brazil
(Univ Tehran, 2009-06-01)
Land cover change constitutes one of main way of alteration of soil organic matter in both quantitative and qualitative terms. The goal of this study was to compare the carbon stock and the isotopic signature of the organic ...
Soil CO2 emission and short-term soil pore class distribution after tillage operations
(2019-03-01)
Alongside the agricultural development in Brazil, concerns have arisen about its environmental impacts, such as the emissions of CO2 resulting from soil cultivation and management practices in agricultural production ...
Digital soil mapping and GlobalSoilMap. Main advances and ways forward
(Elsevier, 2020)
In this concluding paper, we summarize the main advances coming forward from the joint conference of the International Union of Soil Sciences (IUSS) Working Groups (WG) "Digital Soil mapping" (DSM) and "GlobalSoilMap". We ...
Concentrations of Cu, Fe, Mn, and Zn in tropical soils amended with sewage sludge and composted sewage sludge
(2013-04-01)
Sewage sludge may be used as an agricultural fertilizer, but the practice has been criticized because sludge may contain trace elements and pathogens. The aim of this study was to compare the effectiveness of total and ...
Concentrations of Cu, Fe, Mn, and Zn in tropical soils amended with sewage sludge and composted sewage sludge
(2013-04-01)
Sewage sludge may be used as an agricultural fertilizer, but the practice has been criticized because sludge may contain trace elements and pathogens. The aim of this study was to compare the effectiveness of total and ...
The science of soil Security and food security
There is a nexus of seven inter-linked global existential challenges; Soil Security and Food Security are two of
these. The established concept of Food Security is well defined and researched, whereas the emerging concept ...
Clastogenicity of landfarming soil treated with sugar cane vinasse
(2013-02-01)
The addition of nutrients and/or soil bulking agents is used in bioremediation to increase microbial activity in contaminated soils. For this purpose, some studies have assessed the effectiveness of vinasse in the ...
Revisiting Classical Methods to Identify Collapsible Soils
(Brazilian Soc Soil Mechanics & Geotechnical Engineering, 2015-09-01)
The paper revisits and updates two expedite methods used to identify the occurrence of collapsible soils. The methods were proposed by Gibbs (1961) and de Mello (1973) and have in common the assumption that collapsible ...
Medicinal Mushroom Growth as Affected by Non-Axenic Casing Soil
(Science China Press, 2011-04-01)
Ten different casing soils were collected from two soils at two depths (0.2 and 2.0 m below soil surface) to examine the relationships between the physical properties of non-axenic casing soil and yield, number and weight ...