Maize straw and its biochar affect phosphorus distribution in …
We measured decreased TP, Fe-P, O-P and Ca 10-P in the 40–100-cm layer following maize straw and biochar deposition, whereas higher Ca 2-P, Al-P, MROP and HROP were obtained in maize straw-supplemented relative to NPK fertiliser treatment in the 20–100-cm layer. Thus, maize straw and its biochar can be used to effectively ...