Effects of Plant Growth-Promoting Rhizobacteria on Soil Nutrient and Microbial Quantity in Blueberry Rhizosphere
Sun Yunjie
Ma Hailin
Liu Fangchun
Ding Yanqin
Xing Shangjun
Ding Fengju
Abstract：Four plant growth -promoting rhizobacteria ( PGPR) named L12, L13, L14 and L15 were screened from blueberry rhizospheric soil .Pot experiments were conducted to evaluate the effects of different PGPR inoculation on soil nutrient and microbial quantity in blueberry rhizosphere .The results showed that , during one growth cycle , the inoculation of L13 and L14 could significantly increase the culturable microorgan-ism population in blueberry rhizosphere , whereas the population was significantly decreased by L 15 and L12 inoculation .All of the 4 PGPR could increase the soil organic matter content .L13 had significant effects on soil available nutrient , and the increasing range was 5.05%~22.27%.L15, L14 and L13 had greater effects on soil enzyme activity .Above all , L13 could improve the soil nutrient and microbial quantity in blueberry rhi-zosphere , and had broad application prospects .
Keywords：BlueberryPGPRSoil nutrientMicrobial quantitySoil enzyme activity
Publication Date：2014-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：4( 66-69 )