Clay soils
Study of stillage biodegradation by respirometry in sandy and clay soils
... The stillage, which is a liquid residue from the distillation of the sugarcane ethanolic fermentation, contains organic matter and can be a big source of pollution when it is discarded in the wrong way. Its application ...
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EVALUATION OF THE POSSIBILITY OF ENERGY USE BLACK LOCUST (Robinia pseudoacacia L.) DENDROMASS ACQUIRED IN FOREST STANDS GROWING ON CLAY SOILS
... in clay soils very rich, and its timber, in terms of energy use, has a desirable physicochemical ...on clay soils may be an alternative to gain valuable energy ...
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OPTIMIZATION OF A CALCULATION METHOD FOR PILEWORK PROTECTIVE STRUCTURES "STREAMLINED" BY LANDSLIDE CLAY SOILS
... Максимальная разница между давлениями на сваи наблюдается при угле встречи α=45°. Однако , при развитие пластических[r] ...
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CARBONO ORGÂNICO DO SOLO, ESTOQUE DE CARBONO E SUA RELAÇÃO COM ATRIBUTOS FÍSICOS SOB SOLOS FLORESTAIS NA AMAZÔNIA CENTRAL
... et al. (2004). On the surface, Spodosol showed carbon content higher than most clay soils (oxisols and ultisols) (Table 1), in contrast with the results of Luizão et al. (2004) who obtained 0.5% to 1.0% (5 ...
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J. Braz. Chem. Soc. vol.22 número9
... spin-spin relaxation mechanism, which causes an increase of linewith when the temperature decreases. The optical spectral curves obtained from the portable spectroradiometer presented less detailed but more speciic ...
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Microwave Acid Extraction to Analyze K and Mg Reserves in the Clay Fraction of Soils
... in clay soils in the first group. In the clay of soils originating from basalt, the total concentration of K would be better estimated by extraction by 3051A than by ...
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Data of hydraulic properties of North East and North Central German soils
... 2. Applying new cavitation tensiometers and using the air- entry pressure of the tensiometer’s porous ceramic cup as additional defined tension value allows the quantifi- cation of hydraulic functions up to close to the ...
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Contribuição de formas não-trocáveis de potássio para seu acúmulo em plantas de milho
... Potassium (K) is the second most required element by the majority of the cultivated plants; its absorption by plants triggers a continuous process of depletion of the different forms of K, which is more pronounced when ...
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Zinc, copper and manganese availability in soils treated with alkaline sewage sludge from Paraná state (Brazil)
... The chemical composition of sewage sludge varies with origin, collection time and type of treatment to which it was submitted (Healy et al., 2016). In Paraná, most of the sewage sludge is subjected to sanitization by a ...
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Ant species distribution along a topographic gradient in a "terra‑firme" forest reserve in Central Amazonia
... nutrient-poor soils located on the plateaus are classified as Latossolo Amarelo (Xanthic Hapludox), which grade to sandy soils – Espodossolo Cárbico (Typic Epiaquods) (Santos, 2006); Espodossolo ...
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Potential of Spectroradiometry to Classify Soil Clay Content
... and clay. Furthermore, clay is the fraction that causes inconsistencies in the results due to its difficulty of particle dispersion (Suzuki et ...agricultural soils as follows: type 1 – sandy ...
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Phthalic acid esters in soils from vegetable greenhouses in Shandong Peninsula, East China.
... in soils may be related with the cumulative use of potential PAE sources over years in greenhouse vegetable ...in soils profiles, and the TOC of soil and volume of leaching water can affect the migration of ...
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Initial Growth of Eremanthus incanus (Less.) Less in Soil with Manganese
... The Candeia belongs to the Asteraceae family and the ecological group of pioneers, and is considered a forerunner in the colonization of fields (Silva et al., 2008). The plant develops rapidly in open fields with more or ...
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Clay content drives carbon stocks in soils under a plantation of Eucalyptus saligna Labill. in southern Brazil
... The nonparametric Kruskal-Wallis test was used initially to select a set of soil granulometric characteristics (clay content, sand content, silt content and pH) and chemical characteristics (nitrogen, phosphorus, ...
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Yellow Passion fruit performance in organic crop under mulch
... clayey soils, there was a tendency to decrease the average fruit mass up to 50% soil coverage, with a reduction of about 12 g in relation to fruits from treatment without soil cover (Figure ...
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Desempenho metrológico de TDR para medição da concentração de potássio na solução do solo
... both soils (Figure 5A; 5B), which may lead to a new classification of upper and lower limits for numerical error amplitude, as well as for standard deviation increases, based on the intervals of ...
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Comparison of microbial numbers in soils by using various culture media and temperatures
... Soil or rhizosphere organisms include total, spore-forming and Gram-negative bacteria, actino- mycetes and fungi, but only a small percentage (1%) are culturable, even when using of a set of media (Bakken, 1997). The ...
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Substitution of Clay Content for P-Remaining as an Index of the Phosphorus Buffering Capacity for Soils of Rio Grande do Sul
... soil clay content. However, soil clay content has some technical and operational limitations, such as the underestimation of soil clay levels in soils under ...soil clay content as an ...
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J. Braz. Chem. Soc. vol.8 número6
... The differential thermal analysis (DTA) of the raw material (Fig. 1) showed an intense endothermic peak at 110 °C. This peak could be due to water molecules ad- sorbed in the interlayer or coordinated with exchangeable ...
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Adsorption of methylene blue on clay minerals particles: analysis of the clay particle sizes.
... ON CLAY MINERALS PARTICLES: ANALYSIS OF THE CLAY PARTICLE ...with clay particles in aqueous suspension have been extensively ...the clay modiies signiicantly the particle sizes dispersed in ...
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