[Phosphate transform of composting with pre-mixing insoluble phosphate using high temperature dissolved phosphorus microbes inoculation].
In order to enhance the available phosphorus (P) of compost production, the experimental design of composting included three treatments was conducted. The treatments were: Control (CK) with no dissolved phosphate microbes inoculation, no rock phosphate mixing; CP with no dissolved phosphate microbes inoculation, rock phosphate mixing; CMP with dissolved phosphate microbes inoculation, rock phosphate mixing. At different composting phases, the samples were taken for the determination of phosphorus forms. Compared to CK, organic P, dissolved P and rapidly available P of CP increase by 2 049.8, 264.2, 954.0 mg/kg at final stage of composting, respectively; while that of CMP increase by 4 188.6, 648.7, 3 576.4 mg/kg, respectively. The increase of organic P, dissolved P and rapidly available P in CMP is 2.04, 2.46, 3.75 times as that of CP, respectively. The results indicated dissolved phosphate microbes inoculation composting with pre-mixing rock phosphate would accelerate transform efficiency of insoluble phosphate, increase the available P of compost production.
Wei
Zi-Min
ZM
College of Life Science, Northeast Agricultural University, Harbin 150030, China. weizm691120@163.com
Xi
Bei-Dou
BD
Wang
Shi-Ping
SP
Li
Ming-Xiao
MX
Zhao
Yue
Y
Jiang
Yong-Hai
YH
He
Lian-Sheng
LS
D001419:Bacteria / Q000378:metabolism*; D001673:Biodegradation, Environmental; D005308:Fertilizers; D006358:Hot Temperature; D010710:Phosphates / Q000737:chemistry / Q000378:metabolism*; D010758:Phosphorus / Q000378:metabolism*; D012037:Refuse Disposal / Q000379:methods*; D012987:Soil / Q000032:analysis*; D012995:Solubility
D005308:Fertilizers; D010710:Phosphates; D012987:Soil; D010758:Phosphorus