盐碱土壤生物改良剂的制备及其效果初报  

Preparation and Application of Saline Alkali Soil Biological Ameliorators

作　　者：于明礼[1] 

机构地区：[1]滨州职业学院生物工程学院,山东滨州256603

出　　处：《北方园艺》2015年第17期146-149,共4页Northern Horticulture

基　　金：滨州市科技发展计划资助项目;滨州职业学院科研计划资助项目(10xykt01)

摘　　要：以耐盐碱的短小芽孢杆菌(Bacillus pumilus)菌株X7和番茄为试验材料,对菌株X7的发酵条件和不同含菌量生物改良剂对盐碱土壤番茄种子萌发及幼苗生长的影响进行了研究。结果表明:X7菌株在25℃和pH 9.0的条件下培养,能够获得最高的菌密度;相比盐碱土壤对照,施用生物改良剂或基质的处理的番茄种子萌发时间明显提前,发芽率、发芽势和发芽指数及幼苗存活率、平均株高和株重也显著提高,添加10%或以上的菌剂的效果最为显著。Taking salt tolerance of Bacillus pumilus strain X7 and tomato as experimental materials,the fermentation conditions of strain X7 and the effect of biological ameliorators to tomato seed germination and seedling growth on saline alkali soil were studied.The results showed that the strain X7 at 25℃ and pH 9.0culture conditions,could obtain the highest density of bacteria;compared with the saline alkali soil control,the tomato seeds germination time were earlier,and the seed germination rate,potential and index,seedling survival rate,plant height and weight improved significantly after using biological ameliorators or matrix,and in which the biological ameliorators addition of 10% or more strain agents were the most significant effect.

关 键 词：盐碱土壤 耐盐细菌 生物改良剂 番茄 种子萌发 幼苗生长 

分 类 号：S156.4[农业科学—土壤学]