CAJ | 학술논문

通过实验室模拟,研究不同含量外源有机质存在下(5%、10%和15%),钙铝交互作用(钙,铝摩尔浓度比为1:2、1:1和2:1)对茶园土壤铝的吸附能力和活性的影响.结果表明,钙铝交互作用显著增加了茶园土壤对铝的吸附量,外源有机质对钙铝交互作用下茶园土壤铝的吸附作用影响不明显;钙铝交互作用使茶园土壤水溶态铝含量增加,交换态铝含量下降,且随钙,铝比的增大交换态铝含量下降越显著;但外源有机质使钙铝交互作用下茶园土壤的水溶态铝含量下降,同时交换态铝含量显著增加.总的看,外源有机质使钙铝交互作用下茶园土壤活性铝含量增加,且随外源有机质含量的增加,活性铝含量增加的越显著.
통과실험실모의,연구불동함량외원유궤질존재하(5%、10%화15%),개려교호작용(개,려마이농도비위1:2、1:1화2:1)대다완토양려적흡부능력화활성적영향.결과표명,개려교호작용현저증가료다완토양대려적흡부량,외원유궤질대개려교호작용하다완토양려적흡부작용영향불명현;개려교호작용사다완토양수용태려함량증가,교환태려함량하강,차수개,려비적증대교환태려함량하강월현저;단외원유궤질사개려교호작용하다완토양적수용태려함량하강,동시교환태려함량현저증가.총적간,외원유궤질사개려교호작용하다완토양활성려함량증가,차수외원유궤질함량적증가,활성려함량증가적월현저.
Effects of interaction of calcium-aluminum(the ratios of mole concentration of Ca to Al were 1:2,1 :1 and 2:1, respectively) on ad-sorption capacity and activity of aluminum in tea garden soil were studied in the paper by laboratory simulation under different contents of the extraneous source organic matter (5%, 10% and 15%). The interaction of calcium-aluminum made the adsorption capacity of aluminum in the tea garden soil increase obviously. the influence of the extraneous source organic matter on adsorption capacity of aluminum in tea garden soil was not obvious under the interaction of calcium-aluminum. The calcium-aluminum interaction made the water-soluble aluminum con-tent increase and the exchangeable-aluminum content decrease in the tea garden soil. and furthermore the exchangeable-aluminum contents decreased more remarkably along with calcium/aluminum ratio increasing. Nevertheless. the extraneous source organic matter made water-soluble aluminum content decrease and exchangeable-aluminum increase obviously under the interaction of calcium-aluminum in the tea garden soil. Cenerally, the extraneous source organic matter made the active aluminum content increase under the interaction of calcium-alu-minum, and especially the active aluminum content increased more remarkably in the tea garden soil along with extraneous source organic content increasing.