Abstract

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Title:: Application Effectiveness of Bioorganic Fertilizer Containing Efficient Nitrogen Fixing Bacillus amyloliquefaciens on Strawberry

Author(s):: JIANG Lili1; WANG Kaiyun2; WU Yuguo3; WANG Kaiyuan3; FANG Xinjun4; (1.Shandong Institute of Pomology,Tai′an,Shandong 271000;2.Plant Protection College,Shandong Agricultural University,Tai′an,Shandong 271018;3.Shandong Fengtianbao Agricultural Technology Co.Ltd.,Tai′an,Shandong 271000;4.Hangzhou Xianzhida Agricultural Technology Co.Ltd.,Hangzhou,Zhejiang 311400)

Keywords:: Bacillus amyloliquefaciens; bioorganic fertilizer; strawberry; fertilizer efficiency; fruit quality

Abstract:: Strawberry was used as the material to verify the effect of bioorganic fertilizer containing high efficiency nitrogen fixing Bacillus amyloliquefaciens on soil nutrient content,wilt occurrence degree,fruit yield and quality,and plot experiment was carried out,in order to provide references for the scientific use of this bioorganic fertilizer and strawberry green production.The results showed that,for treatment of bio-organic fertilizer hole applied with amount of 22.5 t·hm-2 to completely replacing normal chemical fertilizer (K2),soil NH4+-N,Ex-K,Ex-P and organic matter content were little changed over time.With dosage of 11.25 t·hm-2 to replace 50% of chemical fertilizer,soil NH4+-N and Ex-P content changed little over time,and Ex-K and organic matter content decreased slightly over time but were always higher than control.Compared with the control,treatment of K2 and K3 had exhibited significantly lower wilt disease index and higher fruit vitamin C content.Strawberry yield increase rates of K2 and K3 were 9.8% and 3.3% respectively,and those for earlier stage (before spring festival) were 30.6% and 21.9%,respectively.Thus it could be seen that,this bio-organic fertilizer could replace chemical fertilizer,improve strawberry yield of earlier stage and fruit quality.