A pot experiment was conducted to study the effects of different humic acid materials on organic combined mercury and total mercury contents in soil and the biologicalavailability of soil mercury.
通过盆栽试验研究了不同腐殖酸物质对土壤有机结合态汞、全汞含量及土壤汞生物有效性的影响。
3
The availability of mineral nutrients for plants is determined by the chemical, physical and biological characteristics of soils, especially by root-induced changes in the rhizosphere.