7LEFCOURT A M,MEISINGER J J. Effect of adding alum or zeolite to dairy slun'y on ammonia volatilization and chemical composition [ J]. J Dairy Sci, 2001,84 :lSld - 1521.
8BROWN M E. Seed and rootbacterization [J]. Annu Rev Phytopathol, 1974, 12:181 - 197.
9DOBBELAERE S, CROONENBORGHS A,THYS A,et al. Phytostimulatory effect of AzospiriUum brasilenae wild type and mutant strains altered in IAA_ production on wheat [ J]. Plant Soil, 1999, 212 : 153 - 162.
10WHIPPS J M. Microbial interactions and biocontrol in the rhizoshere[J]. J Exp Bot,2001,52 :487 - 511.
