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Recent investigations are focused on the characterization of hydroxyapatite nanoparticles obtained via addition or substitution processes with different cations or molecules. These nanoparticles can be used for developing fertilizers that can be applied in sustainable agriculture. Hydroxyapatite (HA) has multiple uses in agriculture: as a source of phosphorus, to obtain slow-release fertilizers as well as for removing and / or immobilizing heavy metals. Synthesised hydroxyapatite (HAE) gives the advantage of using...

Use of fertilizers and plant protection products for yield increases led to environment pollution. There is intense concern for new materials development with controlled immobilization/ holdup/release role of compounds that get involved in plant nutrition and protection. Multiple beneficial effects of humic substances upon soil ecosystem is the reason that their control and conservation take priority. Part of the research results carried out regarding humic substances (HS) holdup on biodegradable, bio polymeric st...