Soybeans (Glycine max) are a crucial global protein source, making their nutritional enhancement essential for agriculture and food production. Sulfur improves the quality of soybeans by increasing sulfur-containing amino acids, and the total content of sulfur in seeds may serve as a proxy for amino acid levels. However, optimizing sulfur availability through sustainable management remains underexplored.
A recent study in Agricultural & Environmental Letters investigated whether integrating cover crops and flue-gas desulfurization gypsum—a by-product of coal combustion—could enhance soybean nutrition.
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