句子理解It was too far north for a proper harvest.

问题描述:

句子理解It was too far north for a proper harvest.
There were a few walnut trees above the village and we would chase the squirrels away and wait for them to ripen.It was too far north for a proper harvest.
最后一句话中的far too north怎么理解呢?

地方(太北边) 太冷,核桃的收成不理想.