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Chemical and Biological Technologies in Agriculture
Fig. 8 | Chemical and Biological Technologies in Agriculture

Fig. 8

From: Hydroxyapatite nanoparticles: an alternative to conventional phosphorus fertilizers in acidic culture media

Fig. 8

Germination experiment. The effect of nanoformulations and TSP on root elongation (a), shoot elongation (b), GI (c), root dry weight (d), and shoot dry weight (e) in three P concentrations. Different letters indicate statistically significant differences between treatments (p < 0.05). Abbreviations: TSP, triple super phosphate; HAP(s), hydroxyapatite nanoparticles in suspension form; HAP(p), hydroxyapatite nanoparticles in powder form; HAP-HA, humic acid-modified hydroxyapatite nanoparticles; GI, germination index; P, phosphorus

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