A team led by Prof. Wang Guozhong and Zhou Hongjian from the Institute of Solid State Physics (ISSP), Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS) has successfully utilized surface roughness engineering of silicon-based nanomaterials to achieve efficient delivery of essential nutrients to crop leaves.
, reveal a new strategy for maximizing nutrient absorption in crops.
In this study, the researchers addressed the instability of certain fertilizers during application, such as the oxidization of ferrous element Fe to Fe, which plants struggle to absorb. They developed a pH-controlled oxidation-resistant ferrous foliar fertilizer delivery system using environmentally friendly silicon-based micro/nanomaterials as carriers.in crops and enhances crop yield.
In previous years, the team employed surface roughness engineering with nano-silica to create three new types of foliar nitrogen fertilizers with different surface shapes: solid, hollow, and sea urchin-shaped. Compared to typical foliar nitrogen fertilizers, these nanostructured fertilizers exhibited significantly higher adhesion on peanut and maize leaves, with adhesion abilities 5.9 times and 2.2 times greater, respectively.
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