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单接种及双接种均能很好地促进烟苗快速而健壮生长 ,且可使育苗时间缩短 1 0~ 1 2天 ;双接种效果优于单接种。根瘤菌对烟苗生长前期有良好效果 ,但对后期的作用却不大。在缺磷土壤上接种溶磷菌无效 ,在有磷源的条件下同时接种溶磷菌和G .M ,能有效地达到节磷增产效果。
Both single and double inoculations could promote fast and robust growth of tobacco seedlings, and shorten the breeding time by 10 ~ 12 days. The double inoculation effect was better than single inoculation. Rhizobium on tobacco seedlings early growth has a good effect, but the effect is not large later. Phosphate-solubilizing bacteria were ineffective in phosphorus-deficient soils. Inoculation with phosphate-solubilizing bacteria and G · M under the condition of phosphorus source could effectively increase yield of phosphorus.