In agricultural production, the healthy growth of crops depends on the “nourishment” of various micronutrients, among which iron plays an indispensable role.When crops face an “iron deficiency crisis,” ferrous sulfate monohydrate often steps in as the key solution. As a commonly used iron supplement fertilizer in agriculture, it safeguards crop growth and improves yields with its high efficiency and excellent bioavailability.This article focuses on the agricultural applicatio