Shuitu Baochi Xuebao, 2007 以红壤坡地为材料,研究了地带性恢复林地、农作区、人工林地茶园和桔园等4种土地利用方式下土壤pH、有机质和铝形态的分异特征。结果表明,土壤pH、有机质和3种活性铝形态含量差异显著。和恢复区相比,农作区由于大量秸秆和根茬还土,土壤交换性铝的含量显著降低,而土壤吸附态羟基铝和有机络合态铝的含量则不同程度地提高;人工林地茶园和桔园则呈现出土壤交换性铝提高的特征,吸附态羟基铝和有机络合态铝含量下降。下坡位土壤表现为堆积,土壤pH值和有机质含量增加,土壤交换性铝含量比上坡位减少,吸附态羟基铝和有机络合态铝含量增加 ...
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