关于 介词+which ,一个我有点迷惑的句子

问题描述:

关于 介词+which ,一个我有点迷惑的句子
This crop doesn't do well in soils other than the one for which it has been specially developed.
在这句话中,the one 指代的是哪个?怎么判断的?for which中which又指代的那个?怎么判断的?我已经被这个句子纠结快1小时了,

the one指的是泥土.然后which指的是那植物.other than后面是这样的:the soil has been specially developed for the crop.
7点多的时候用手机上的,呵