Why are some fertilizer granules sensitive to moisture while others are relatively resistant?

Fertilizer caking is a common headache for distributors and farmers. In the same warehouse, some fertilizers remain loose after three months, while others harden into solid lumps in less than a month. The issue lies not in the packaging, but in the inherent hygroscopicity of the granules—a property determined by the granulation method itself.

22 views | Arts | Submitted: September 28, 2026
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