... and various crops, in particular, avoid chloride, potassium chloride potassium replacement, a good potash. Their specific use are ... easy to produce hydrogen sulfide poisoning. (2) potassium sulfate prices are more expensive, in general, in ... potassium chloride to potassium sulfate. (3) of the cruciferous crops, more crops need sulfur, is better, priority should be assigned to use. potassium sulphate ...