研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
一个是粉红的，另一个是淡紫色。这些枕头100%全棉，填充物是聚酯纤维。
One in pink, the other in lavender, these pillows are 100% cotton with polyester fiberfill inserts.
水稻土全氮和碱解氮含量均极显著高于黄壤和紫色土；
Paddy soil had significantly higher contents of TN and AN than yellow soil and purple soil.
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