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1·Can is purple soil!

会不会是紫色土！

2·Meanwhile, slope gradient had a great impact on purple soil erosion processes.

同时，坡面坡度对紫色土坡面侵蚀过程有重要的影响。

3·The measuring soil sample chooses the purple soil which wide distribute in southwest.

被测土样选择在西南地区广泛分布的紫色土。

4·Purple Soil distributed widely in China, especially in upper reaches of the Yangtze River.

紫色土在我国分布较广，特别是长江上游地区。

5·Hengyang city is one of the main distributive regions of the purple soil in Hunan province.

衡阳市是湖南省紫色土的主要分布区之一。

6·Paddy soil had significantly higher contents of TN and AN than yellow soil and purple soil.

水稻土全氮和碱解氮含量均极显著高于黄壤和紫色土；

7·Purple soil sloping farmland is the important land resources in three gorges reservoir region.

紫色土坡耕地是三峡库区重要的土地资源。

8·But the structure of purple soil parent material is loose and easy to efflorescent, anti-erodibility;

但紫色土成土母岩结构疏松，易风化，抗蚀性低；

9·The agricultural and physiological efficiencies of grain yield were maximum in calcareous purple soil.

对小麦籽粒产量的农业和生理效率以石灰性紫色土为最高。

10·Purple soil supplied the plants with more phosphorus and potassium nutrition and less nitrogen nutrition.

紫色类土壤提供给烟株吸收利用的磷钾养分较多，而氮养分较少。