In contrast, the Zn release profiles of all treatments show a decreasing trend of Zn concentration after 48 h.
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Development and testing of zinc sulfate and zinc oxide nanoparticle-coated urea fertilizer to improve N and Zn use efficiency.
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The sentences
Overall, an increasing trend was observed in the MBC and MBN values at higher percentages of Zn amendment to the soil.
The difference in Nmin was clearly significant in the formulations with nano-Zn.