摘要
耐盐菌种在盐渍土壤中广泛存在。从鸡粪和土壤中分离出4种具有耐盐耐酸的菌种,分别为:枯草芽孢杆菌属、巨大芽孢杆菌属、假单胞菌属和酵母菌属。通过微生物发酵菌肥修复技术测定其对过酸过碱土壤的恢复能力,并尝试将其以一定比例混合后进行肥料发酵,用于进行恢复能力研究。结果表明,4种菌剂中恢复能力最强的是枯草芽孢杆菌,最佳配比为枯草芽孢杆菌∶巨大芽孢杆菌∶假单胞菌∶酵母菌比例为1∶2∶1∶1时,混合肥料对土壤酸碱性降解能力最佳。
Salt tolerant bacteria widely exist in saline soil.Four species of salt and acid tolerant bacteria were isolated from chicken manure and soil,which were Bacillus subtilis,Bacillus megaterium,Pseudomonas and Saccharomyces.The recovery ability of the bacteria to over-acid and over-alkaline soil was determined by microbial fermentation fertilizer remediation technology,and it was tried to mix them in a certain proportion for fertilizer fermentation to study the recovery ability.The results show that Bacillus subtilis has the strongest recovery ability among four species of bacteria.When the ratio of Bacillus subtilis,Bacillus megaterium,Pseudomonas and Saccharomyces is 1∶2∶1∶1,the mixed fertilizer has the best ability to degrade soil acidity and alkalinity.
作者
彭喜之
王涛辉
马珺怡
童应凯
王雪梅
张敏
叶玉栋
陈帅君
PENG Xizhi;WANG Taohui;MA Junyi;TONG Yingkai;WANG Xuemei;ZHANG Min;YE Yudong;CHEN Shuaijun(Department of Biotechnology,College of Agronomy&Resources and Environment,Tianjin Agricultural University,Tianjin 300384,China;Tianjin Hengjilide Biotechnology Development Co.,Ltd.,Tianjin 300392,China)
出处
《天津科技》
2021年第1期42-45,48,共5页
Tianjin Science & Technology
基金
天津市大学生创新计划训练项目“改良土壤酸碱性的生物有机肥研究(201910061141)”。
关键词
盐碱地
微生物菌肥
生物修复
混合菌剂
saline-alkali soil
microbial fertilizer
bioremediation
mixed bacteria
