Since four-fifths of the world's potash is traded internationally, the impact of price spikes will be felt in every agricultural region in the world, warns Humphrey Knight of cru, a consultancy.

咨询公司CRU的汉弗莱·奈特警告称，由于全球五分之四的钾肥都是国际交易，全球所有农业地区都将感受到钾肥价格飙升的影响。

Southern California may be known for its many forbidding landscapes, but Southern California isn't entirely a desert land, especially here in the Central Valley, one of the most productive agricultural regions in the world.

南加州可能以其许多令人生畏的景观而闻名，但南加州并不完全是一片沙漠，尤其是在中央谷地，这里是世界上生产力最高的农业区之一。