WebMay 1, 2002 · Soil samples were taken from the top 6 inches at both locations and analyzed for pH, nitrogen, organic matter, total exchange capacity, exchangeable calcium, … WebSoil acidity and high cation exchange capacity contributed to high concentrations of AlKCl in the soil, whereas high base saturation and total C had the opposite effect. Total N decreased with increasing AlKCl in the topsoil (0–20cm), which is likely a response to the effects of Al toxicity on biological N fixation by pasture legumes.
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WebJun 26, 2024 · Total Exchangeable Capacity and Exchangeable Bases Total exchangeable capacity (TEC) varies between 3.80 and 35.4, 2.08 and 35.08, 4.72 and 12.77, 3.53 and 26.54, and 2.46 and 5.12 meq/100 g for soil samples in the Far North, North, Centre, Adamawa, and the West regions, respectively (Tables 2 – 6 ). WebExchangeable acidity. Soil acidity is one of the most important soil factors which affect plant growth and ultimately limit crop production and profitability (Fageria, 2009), and its problems are common in all regions where precipitation is high enough to leach appreciable amounts of exchangeable bases from the soil surface (Achalu et al., 2012 edge tax accounting
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WebJan 1, 2016 · Base saturation indicates the balance between acid and base cations adsorbed by the cation exchange complex (CEC) of a soil. The term is a partial misnomer because a base is a chemical compound that can react with an acid to form a salt; calcium hydroxide, Ca(OH) 2, is an appropriate example.In the present context, however, it is now … WebApr 11, 2024 · Meanwhile, in the pH range of 4–6, the soil acid–base buffer curve rose sharply, and an excessive application of N fertilizer (N900) significantly reduced the pHBC. In addition, a stepwise regression analysis showed that the BSP, EBCs, and exchangeable Mg2+ (E-Mg) had significant direct effects on the soil pH, whereas the CEC … WebJun 25, 2015 · Figs 6, 7, 8 and 9 show output predictions for soil organic carbon, total N, sum of exchangeable bases and CEC and exchangeable Mg. Fig 9 illustrates broadly consistent spatial patterns between maps at 1 km (SoilGrids1km) and 250 m (AfSoilGrids250m). edge tax