Tailoring the phosphorus release from biochar-based fertilizers: role of magnesium or calcium addition during co-pyrolysis
Kaewta Jetsrisuparb, Thanawan Jeejaila, Chanon Saengthip, Pornnapa Kasemsiri, Yuvarat Ngernyen, Prinya Chindaprasirt, Jesper T.N. Knijnenburg
Abstract
(whitlockite). Co-pyrolysis with MgO retained P in a more soluble and available form than CaO, making MgO a preferential additive over CaO to immobilize phytoavailable P in biochar-based fertilizers with higher fertilizer effectiveness.
Topics & Concepts
BiocharChemistryPhosphatePyrolysisPyrophosphatePhosphorusNuclear chemistryMagnesiumCalciumSolubilityDissolutionFourier transform infrared spectroscopyInorganic chemistryOrganic chemistryChemical engineeringEngineeringEnzymePhosphorus and nutrient managementClay minerals and soil interactionsLayered Double Hydroxides Synthesis and Applications