Now showing items 1-10 of 727
Nutrient accumulation and biomass production of alfafa after soil amendment with siliciates.
(Revista Ceres, v. 61, n.3, p. 406-413, 2014., 2014)
Concentrations of Cu, Fe, Mn, and Zn in tropical soils amended with sewage sludge and composted sewage sludge
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 ...
Indicators of soil degradation in urban forests: Physical and chemical parameters
The fragmentation of forest habitats in urban areas has aroused increasing interest in recent years according to the growing environmental problems. The fragmentation of theses ecosystems is caused, in general, by the ...
Phosphorus forms in cultivated indian black earth (anthrosols) of varying texture in the Brazilian Amazon.
(Revista Brasileira de Ciência do Solo, v. 33, p. 1347 - 1355, 2009., 2013)
Clastogenicity of landfarming soil treated with sugar cane vinasse
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 ...
Impacts of agricultural activities in remaining forest: Campinas/SP, Brazil
Forest fragmentation occurs normally in an area around the city or with high agricultural influence, such as the Forest of Quilombo that lies in Metropolitan Campinas/SP- Brazil. This forest is one such example since it ...
Spatial variability of some biometric attributes of sugarcane plants (variety IACSP93-3046) and its relation to physical and chemical soil attributes.
(Bragantia, Campinas, v. 69, suplemento, p. 107-119, 2010., 2011)