Phosphorus Release from Nano-Hydroxyapatite Derived from Biowastes in the Presence of Phosphate-Solubilizing Bacteria: A Soil Column Experiment

被引:0
作者
Pilotto, Laura [1 ,2 ]
Scalera, Francesca [3 ]
Piccirillo, Clara [3 ]
Marchiol, Luca [2 ]
Zuluaga, Monica Yorlady Alzate [4 ]
Pii, Youry [4 ]
Cesco, Stefano [4 ]
Civilini, Marcello [2 ]
Fellet, Guido [2 ]
机构
[1] Univ Trieste, Dept Life Sci, I-34127 Trieste, Italy
[2] Univ Udine, Dept AgriFood Environm & Anim Sci, I-33100 Udine, Italy
[3] Inst Nanotechnol CNR NANOTEC, Campus Ecotekne, I-73100 Lecce, Italy
[4] Free Univ Bozen Bolzano, Fac Sci & Technol, Univ Pl 5,Piazza Univ 5, I-39100 Bolzano, Italy
关键词
food wastes; nHAP; nanoenabled agriculture; <italic>P. alloputida</italic>; P losses; soilcolumn experiment; SURFACE; EUTROPHICATION; ENHANCEMENT; FERTILIZER;
D O I
10.1021/acs.jafc.4c09325
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Phosphorus applications in agriculture can lead to significant environmental impacts, necessitating a revolution in current agricultural practices. This study explores the potential of hydroxyapatite nanoparticles (nHAPs) synthesized from poultry bones as P fertilizers. nHAPs were produced at 300 degrees C (nHAP300) and 700 degrees C (nHAP700), and their effectiveness was evaluated. An in vitro solubilization test with Pseudomonas alloputida evaluated the bacterium's ability to solubilize the nanoparticles, assessing dissolved P and organic acids produced. Additionally, a soil leaching test measured P losses and bioavailable P in soil compared to a conventional fertilizer, the triple superphosphate (TSP). nHAP300 displayed heterogeneous sizes, while nHAP700 were approximately 100 nm in size, with a P content of 8.8% and 19.4%, respectively. Pseudomonas alloputida successfully solubilized both types of nanoparticles, with nHAP700 demonstrating a higher solubility than nHAP300. The TSP treatment resulted in higher P losses (6.35 mg) compared with nHAP treatments (nHAP300 0.32 mg; nHAP700 0.28 mg), indicating the potential of nHAP for recycling P from waste. Our findings indicate that nHAP700 are more efficient in P release than nHAP300 but less prone to leaching compared to conventional fertilizers. Utilizing these nanoparticles enables phosphorus recovery from waste and holds significant potential for sustainable agricultural applications.
引用
收藏
页码:3918 / 3929
页数:12
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