在这种耕作方法中，种子和肥料是通过地面上的小切口进入土壤的。
In this method of farming seeds and fertilizer are put into the soil through small cuts made in the surface of the ground.
换句话说，这些空地上的有机物分解并进入土壤的速度比周围森林中的更快。
In other words, organic matter gets broken down and added into the soil more quickly in these gaps than in the surrounding forest.
这种年代测定法的一个问题是，有可能某一件东西从一个地方被带到了另外的地方，且被好几代人用了之后才被埋入土中。
A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.
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