Green construction and release mechanism of lignin-based double-layer coated urea.

Biotechnol Biofuels Bioprod · 2023 · PMC10249322 · PMID 37291654

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a decreasing trendno p-value reported

However, as the incubation time further prolonged to 49 days, the swelling volume of the LDCUs showed a decreasing trend, because the nitrogen concentration in the coating layer reduced after the osmotic pressure difference decreased [ 55 , 56 ].

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