重金属剖面分布特征可以在一定程度上反映水稻土的重金属污染积累程度。
The profile distribution can be indicative of soil heavy metal pollution in the paddy soils.
通过盆栽试验，分别探讨了镍在砂壤水稻土中对水稻和在草甸黑土中对玉米的污染效应和累积规律。
The pollution effects and accumulation rules of nickel were studied in the sandy loam paddy soil for rice and in the meadow soil for corn by pot experiments.
采用4水平3因子正交试验设计，通过盆栽试验，用添加法研究了铜、铅、锌及其复合污染的红壤性水稻土对水稻生长、产量、品质的综合影响。
Comprehensive effects of cu, Pb and Zn in Soil on growth, yield and quality of rice have been studied through a series of pot culture experiments with a 4 level and 3 factor orthogonal design.
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