Tropical soils
SILICATE FERTILIZATION OF TROPICAL SOILS: SILICON AVAILABILITY AND RECOVERY INDEX OF SUGARCANE
... sugarcane yield of plant cane grown on a Rhodic Hapludox (sandy clay loam). Brassioli et al. (2009) showed that silicate application provided the highest yield increase, more than lime in the third, fourth and fifth ...
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ELECTROCHEMICAL ATTRIBUTES AND AVAILABILITY OF NUTRIENTS, TOXIC ELEMENTS, AND HEAVY METALS IN TROPICAL SOILS
... of soils are very important for the understanding of the physico-chemical phenomena which affect soil fertility and the availability of nutrients for ...of tropical soils, the behavior and the ...
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ApprAisAl of the sNAp model for predictiNg NitrogeN miNerAliZAtioN iN tropicAl soils UNder eUcAlyptUs
... the soil Nitrogen Availability predictor (sNAp) model predicts daily and annual rates of net N mineralization (NNm) based on daily weather measurements, daily predictions of soil water and soil temperature, and on ...
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ORGANIC MATTER QUALITY AND DYNAMICS IN TROPICAL SOILS AMENDED WITH SUGAR INDUSTRY RESIDUE
... Soil organic matter depletion caused by agricultural management systems have been identified as a critical problem in most tropical soils. The application of organic residues from agro-industrial activities ...
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Thermodynamic parameters for boron adsorption reaction on highly weathered tropical soils.
... THERMODYNAMIC PARAMETERS FOR BORON ADSORPTION REACTION ON HIGHLY WEATHERED TROPICAL SOILS. The driving force of boron adsorption on some tropical soils was evaluated by means of thermodynamic ...
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TRANSFER OF CADMIUM AND BARIUM FROM SOIL TO CROPS GROWN IN TROPICAL SOILS
... in soils and plants, although Chaudhry et ...“contaminated” soils, especially when the source of contamination is barite (BaSO 4 ), or there is sulfate present in the soils (Ippolito & Barbarick, ...
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Comissão 1.3 - Pedometria MultiPle GeoteChnoloGiCal tools aPPlied to diGital MaPPinG of troPiCal soils
... in recent years, geotechnologies as remote and proximal sensing and attributes derived from digital terrain elevation models indicated to be very useful for the description of soil variability. however, these information ...
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Electrical Conductivity and Chemical Composition of Soil Solution: Comparison of Solution Samplers in Tropical Soils
... not altered for the RQ samples. Similar behavior for concentrations of these three cations in solution matrices was also observed by Miranda et al. (2006) and Oliveira et al. (2011) in solutions from soils under ...
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Análise de solos tropicais para pavimentação da rodovia BR-163/PA / Analysis of tropical soils for paving the road BR-163/PA
... of soils in the region of Itaituba in the State of Pará/Brazil, to be used in paving services on the BR-163/PA ...Compacted, Tropical) classification of these soils, as well as on the results of the ...
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Soil compaction during harvest operations in five tropical soils with different textures under eucalyptus forests
... The three soil classes from Capão Bonito, SP (LVd1, LVd2, and PVd) were more resistant to compaction when compared to the two soil classes (LVd3, LVd4) from Três Lagoas, MS (Figure 2). This is most likely due to the ...
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EMISSION OF NITROUS OXIDE AND CARBON DIOXIDE FROM SEMI-ARID TROPICAL SOILS IN CHIAPAS MÉXICO
... Approximately 43 % of the continental crust is arid and semi-arid characterized by erratic rainfall, and of these 14 % are tropical savannas and grasslands (FAO, 1997). These regions comprise 13 % of the total ...
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Adsorption of Cd, Cu, Ni and Zn in tropical soils under competitive and non-competitive systems
... remaining soils, a more contrasting be- havior among metals was ...these soils implies that most of the metals were adsorbed even at the smaller concentra- tions, decreasing as the metal concentration ...
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Accumulation and oxidation of elemental mercury in tropical soils
... different soils are compared, the soil with a greater organic matter content does not necessarily adsorb a greater quan- tity of mercury because beside differences in the organic matter characteristics other soil ...
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Persistence of Pathogenic and Non-Pathogenic Escherichia coli Strains in Various Tropical Agricultural Soils of India.
... Indian tropical soils is not yet understood ...different tropical agricultural soils and on a vege- table growing medium, cocopeat under controlled ...the soils assessed, the red ...
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Braz. J. Geol. vol.45 número2
... from soils and saprolites can be measured by direct ield methods or by indirect methods that estimate iniltration potential through other ...for soils from temperate regions. herefore, adequation for ...
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CHARACTERIZING A TROPICAL SOIL VIA SEISMIC IN SITU TESTS
... with tropical soils, however, the geotechnical literature about dynamic parameters of these soils is very limited since dynamic tests are not currently carried out in ...term tropical soil ...
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QUANTIFICATION OF THE SOIL PHYSICAL QUALITY OF A TROPICAL OXISOL USING THE S INDEX
... ABSTRACT: Soil physical quality is fundamental for the sustainability of agro ecosystems. Soil physical quality assessment must be developed using parameters that describe physical behavior. S, a new soil physical ...
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Aggregate stability in soils cultivated with eucalyptus
... weathered soils (Ferreira et ...the soils with dominant 2:1 clays (Six et ...in tropical soils where the clay fraction is dominated by 1:1 minerals and oxides, a decrease of soil OM levels ...
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Chemical nature of soil humified fractions and their bioactivity
... Although the content of organic matter in tropical soils represent only about 1% of the soil mass, the humus is one of the most important fractions of these soils. The benefits of soil humus have ...
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Organic carbon protection in Malagasy soils
... of tropical soils in which soil texture, SOC amount, and macroaggregation level ...Malagasy soils and (ii) to discuss the main mechanism responsible for SOC accumulation in such ...
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