北京地区的板栗基本上种植在以花岗岩、片麻岩为土壤母质的低山丘陵地带。
The chestnut trees in Beijing are planted in mountainous area and hilly land mainly of granite and gneiss.
花岗岩母质土壤区在洞庭湖流域广泛分布。
A granite based soil region is distributed widely in the drainage area of Dongting Lake.
第四纪红土土壤全氮含量较高，但是其碱解氮含量比花岗岩母质土壤和紫色砂页岩土壤低。
Quaternary red clay total nitrogen content was highest, but the available nitrogen content was lower than Granite soil and Purple sandy shale soil.
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