WebConcentrations of exchangeable K + of T15 and exchangeable base cations except for Ca 2+ of T30 depth were significantly lower than those of the control at 0–10 cm after 4 months, but not after 39 months. This study shows that thinning treatments on a naturally regenerated Quercus spp. forest could increase soil C concentration after a few ... WebMay 28, 2024 · The soil pH, exchangeable acidity and base cations, organic carbon, and different Al fractions were determined to unravel the ameliorative performance and mechanism of the treatments. Regardless of application modes and dosages, the results demonstrated that CaLS incorporation significantly increased soil pH, exchangeable …
Effects of Exponential N Application on Soil Exchangeable …
WebA method to determine soil exchangeable calcium (Ca), magnesium (Mg), potassium (K), and sodium (Na) by using atomic absorption spectrophotometer (AAS) and extraction with ammonium acetate was developed. Results showed that the accuracy of exchangeable base cation data with AAS method fits well with … WebMar 24, 2024 · To calculate the Exchangeable Cation Capacity (ECEC), multiply the concentration of exchangeable cations (in milliequivalents per 100 grams of soil) by a factor of 3.For example, if the exchangeable cations were measured to be 1.2 meq/100 g, the ECEC would be 3.96 meq/100 g (1.2 x 3.3 = 3.96). galway motorcycle crash
Exchangeable base cations - Beloit College
WebTherefore, the nature of the exchangeable cations influences the composition of the soil solution. The acidic cations adsorbed on the negative exchange sites are called the reserve ( also residual or … http://www.agronext.iastate.edu/soilfertility/info/CationExchange2024.pdf WebMar 8, 2024 · Exchangeable base cations play an important role in maintaining soil nutrients, providing essential nutrients for plant growth [ 4, 5, 6] and buffering soil … galway motor tax renewal