the acid content of soil

The plants growed in the soil polluted with heavy metals could alleviate the heavy metal poison by accumulation of proline and reduction of antiscorbutic acid content and so on.

生长在重金属污染土壤中的植物通过积累游离脯氨酸和降低抗坏血酸含量等途径来减轻重金属的毒害。

Experiment results showed that silicon applying has a significant effect to the quality of tea; when applying silicon in soil, the content of amino acid and soluble sugar in tea increased 38.66% and 16.98% respectively compared with the CK.

结果表明：施用硅肥对茶叶品质具有显著影响，土壤施硅可使茶叶中氨基酸和可溶性糖含量比对照分别提高38.66%和16.98%，而茶多酚和咖啡碱的含量分别降低15.28%和20.24%；

the acid content of soil

土壤酸含量