1 微生物肥料在莴苣栽培上的应用研究摘要 :为考察新型微生物肥料(德根贝)对蔬菜园艺作物病虫害的预防效果,以及对蔬菜产量和品质的影响,在莴苣栽培上进行田间实验,以期为该肥料的大规模使用建立和完善其技术操作规程
关键词 : 微生物肥料;莴苣;病虫害的预防;蔬菜产量;蔬菜品质Microbial fertilizers in lettuce cultivation Abstract: In order to investigate the new microbial fertilizer (Degen Bay) effect on the prevention of crop diseases and insect pests of vegetable gardening, as well as the impact on the yield and quality of vegetables in lettuce cultivation field experiments of large-scale use of the fertilizer establishment and improvement of itstechnical operation
Keywords: microbial fertilizer; lettuce; prevention of pests and diseases; vegetable production; vegetable quality引言植物生长需要从土壤中获得充足的氮、磷、钾、钙、镁、硫 等营养元素,在农业生产中长期通过使用化肥提供植物生长所需营养元素,但是,事物总是具两面性的,长期过量而单一地使用化肥,土壤结构被破坏,造成土壤板结
长期使用化肥造成的土壤板结,又使得作物根部土壤缺水、不能保墒,还影响了植物根部生态环境