A one kilogram sub-sample was taken for chemical analysis and adsorption study, and the rest of the soil sample was stored for greenhouse experiment.
A one kilogram sub-sample was taken for chemical analysis and adsorption study, and the rest of the soil sample was stored for greenhouse experiment.
从大土样中取出1公斤用于化学分析和吸附研究，剩于土样贮存用作温室盆栽试验。