The sites distribution of the late Neolithic age illustrates that, the ancients had able to distinguish the soil quality and to use environment condition to improve the soil.

新石器晚期，古人已能分辨土壤的优劣并很可能会利用环境条件改善土壤的不良特性；

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The sites distribution of the late Neolithic age illustrates that, the ancients had able to distinguish the soil quality and to use environment condition to improve the soil.

新石器晚期，古人已能分辨土壤的优劣并很可能会利用环境条件改善土壤的不良特性；

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