Singh C P, Amberger A. Organic acids and phosphorus solubilization in straw composted with rock phosphate [ J ]. Bioresource Technology, 1998,63:13 - 16.
[6]
Erich M S, Fitzgerald C B, Porter G A..4grictLlture, Ecosystem and Environment, 2002, 88:79 - 88.
[7]
Singh C P, Amberger A. Organic acids and phosphorus solubilization in straw compsten with rock phosphate [ J ]. Bioresource Technology, 1998,63:13 - 16.