2) Percogenic paddy soils
渗育性水稻土
3) Soil water side penetration
土壤侧渗
4) lateral seepage quantity
侧渗水量
6) Ancient paddy soil
古水稻土
1.
Soil samples of current paddy soils,ancient paddy soil/ancient dry land soil,and bottom soils were collected from two sites in Chuodunshan Site of Majiabang Culture(about 6 000a).
kg-1,主要来源于大气沉降;古水稻土中PAHs含量明显降低,仅为56。
2.
Previous studies suggested that two layers of ancient paddy soils existed in Holocene strata at the lower Changjiang River delta region in China,but little evidence of soil chemical and physical data has been offered up to now.
前人研究认为,在长江下游地区绰墩农业遗址的全新世地层中存在2个古水稻土层,但到目前为止尚缺乏土壤化学和物理学方面的证据。
补充资料：侧侧
1.多貌。 2.寒貌。 3.象声词。叹息声。 4.指其他声音。
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