WANG Ya-yi.Effect of P Solubilizing Bacteria on Rape Yield and the Content of Soil Phosphorus[J].Northern Horticulture,2014,38(05):155-158.
使用解磷细菌对小油菜产量及土壤磷含量的影响
- Title:
- Effect of P Solubilizing Bacteria on Rape Yield and the Content of Soil Phosphorus
- 文章编号:
- 1001-0009(2014)05-0155-04
- Keywords:
- P solubilizing bacteria; rape; yield; content of soil P; soil pH
- 分类号:
- S 565.4
- 文献标志码:
- A
- 摘要:
- 以小油菜为试材，用自行分离出的5株解磷细菌制成液体菌剂，进行盆栽试验。结果表明：不论施磷肥与否，使用解磷细菌可以提高小油菜的产量，其中溶磷菌w12-7和解磷菌y9-4处理的小油菜的产量提高的最多，其次为溶磷菌w5-2处理的小油菜；作物收获后，土壤速效磷含量变化较大，不施磷肥时，使用溶磷菌w12-7和解磷菌y9-4的土壤速效磷含量降低较少，分别比对照变化值少23.4%和34.8%；施磷肥后，所有处理的速效磷含量均有所增加，且溶磷菌w5-2和解磷菌y9-4处理增加较多。解磷细菌对土壤pH和全磷含量影响不明显；溶磷菌w12-7、w5-2和解磷菌y9-4较适用于青海省石灰性土壤中。
- Abstract:
- Taking rape as material,phosphorus inoculum was prepared by phosphorus dissolving bacteria strains which were separated by our group for rape pot experiment.The results showed that regardless of fertiliziting P or not，using solubilizing bacteria could significantly increase the rape yield，which improved the production mostly were phosphorus-solubilizing bacteria w12-7 and phosphorus bacteria y9-4，followed by phosphorus-solubilizing bacteria w5-2.After harvesting，soil available-P content changed widely.When none fertilizer P，the content of soil available-P was decreased on the condition of phosphorus-solubilizing bacteria w12-7 and phosphorus bacteria y9-4，less than the control change value of 23.4% and 34.8%.Under the condition of P fertilizer，available P content of all treatments was improved，which improved the production mostly were phosphorus-solubilizing bacteria w5-2 and phosphorus bacteria y9-4.It was not obvious of the effect of P solubilizing bacteria on soil pH and total phosphorus.Tests showed that phosphorus-solubilizing bacteria w12-7，w5-2 and phosphorus bacteria y9-4 were better strains used in calcareous soils in Qinghai.
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备注/Memo
作者简介：王亚艺（1983-），女，硕士，助理研究员，现主要从事农业微生物及肥料等研究工作。