base saturation
Variabilidade espacial da saturação por bases e da saturação por alumínio do solo, numa catena do pampa, cultivada com soja. / Spatial variability of base saturation and of aluminum saturation of soil, on a catena of pampa, cultivated with soybean
... sample density was of great importance for the definitions of the variables with accuracy. Neossolos cultivated with soybean under minimal cultivation have good chemical fertility, with high base saturation ...
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Growth of Aechmea fasciata plants in function of substrate base saturation and fertirrigation methods
... substrate base saturation and the application methods of the nutritive ...substrate base saturation x 5 combinations between the methods of fertirrigation) with 4 repetitions and 7 plants by ...
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Base saturation for coffee plantations stablished according to soil ph and Ca and Mg supply
... The base saturation method (BSat), used to determining lime requirement (LR), may produce inadequate doses, since the expected base saturation (Ve) is fix, independently of the soil ...
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Base Saturation on Growth and on Nutrition of Yellow Ipê Seedlings
... Os dados para a produção de biomassa seguiram uma curva quadrática para folhas, caule e raiz, com as menores médias no tratamento sem adição de calcário e aumento até 70% de saturação[r] ...
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CharaCterization and nutrient release from siliCate roCks and influenCe on ChemiCal Changes in soil (1)
... phosphorus and sodium by mehlich 1; nickel, copper and zinc with dtPa; and the saturation of the cation exchange capacity was calculated for aluminum, calcium, magnesium, potassium, and sodium, and overall ...
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Correction of soil acidity in the subsurface of an oxisol with sandy loam texture under no-tillage
... Al saturation and base saturation levels may constitute a restrictive environment for adequate root growth was inferred from knowledge generated and divulged based on the conventional system of soil ...
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Formas de aplicação e doses de calcário para Alfafa cultivada em sistema plantio direto consolidado
... the base saturation in the ...of base saturation at the depths of 0-5, 5-10 and 10-20 ...of base saturation values caused by lime application at the depths of soil 20-30 cm, were ...
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Atributos do solo adubado com lodo de esgoto e silicato de cálcio e magnésio
... The use of Mg silicates in agriculture promotes various agronomic benefits, among which the reduction of phosphorus (P), increasing its availability to plants (Korndörfer, 2002), and improvements on soil chemical ...
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Phosphorus fertilization in sugarcane cultivation under different soil managements Paulo R. de Sousa Junior
... and base saturation, the latter two selected due to a possible interference in P availability and for being indicators of soil correction, it was observed that the minimum tillage led to higher base ...
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Root Distribution of Peach Rootstocks Affected by Soil Compaction and Acidity
... Aluminum saturation in the exchange complex increased with soil depth and was considered high (> 20 %), according to the CQFSRS/SC (2004), at the depth of ...Al saturation at a distance of ...increasing ...
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Sombric horizon: five decades without evolution
... The requirement that sombric horizon must show low base saturation is found in most studies on soil pro- files from several regions in the world. However, many profiles of high CEC Alfisols (Luvisols, in ...
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Assessment of sugarcane trash for agronomic and energy purposes in Brazil
... Table 1 − Chemical characteristics of soil in the experimental area. SOM: organic matter. BS: base saturation. CEC: cation exchange capacity... Taking moisture into con- sideration, it i[r] ...
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Massa seca e produtividade do crambe sob doses de fósforo e saturação por bases em condições de Cerrado Goiano
... The increase in V% influenced crop development, for both root and shoot dry matter (Figure 3). V% increase, according to the regression analysis, had linear influence on crambe root system development at 35, 45 and 55 ...
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Pedogenesis in an Archaeological Dark Earth – Mulatto Earth Catena over Volcanic Rocks in Western Amazonia, Brazil
... high base saturation (V) and the high levels of P and organic carbon, shows that the anthropic impact is not limited to the surface horizons (Aup and Au), but can modify the soil at depth via pedogenic ...
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ApplicAtion of AlkAline WAste from pulp industry to Acid soil With pine (1)
... layers were sampled in 2010 for analyses of soil chemical and physical properties. the diameter at breast height of the 6.5 year old pine trees was also evaluated. surface application of dregs improved soil chemical ...
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Effect of biofertilizer on soil fertility and lettuce nutrition
... Ca = calcium, Mg = magnesium, K = potassium, P = phosphorus, Zn = zinc, MO = organic matter, CTC = cation exchange capacity, V% = base saturation and pH = hydrogen potential. T1 = Weekly spraying of the ...
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Terrain forms and spatial variability of soil properties in an area cultivatedwith citrus
... The Kolmogorov-Smirnov test indicated normality only for clay content and base saturation in the form of flat topography (Table 1). The values of skewness and kurtosis showed asymmetric distributions for ...
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Classical Methods and Calculation Algorithms for Determining Lime Requirements
... ABSTRACT: The methods developed for determination of lime requirements (LR) are based on widely accepted principles. However, the formulas used for calculation have evolved little over recent decades, and in some cases ...
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Avaliação de atributos morfológicos, físicos e químicos de Ferralsolos e solos relacionados.
... asymmetric, positively skewed and leptokurtic frequency distributions, regardless of data of all samples (Figure 3b), or only if B horizons or ferralic B horizons are considered (Figure 3c), which is consistent with the ...
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Uso do modelo de análise de mistura espectral com múltiplos membros finais (MESMA) no mapeamento de atributos do solo por imagem Aster
... the base saturation, and therefore, the resulting maps generated using MESMA were distinct from the krigring ...higher base concentration and base saturation is associated with higher ...
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