Analysis of bacterial diversity in rhizosphere of cucumber in greenhouse by the methods of metagenomic end-random sequencing and 16S rDNA technology Effect of Low Phosphorus Stress on Root Growth and Soil Bacterial Diversity in Rhizosphere of Tomatoes Effect of Low Phosphorus Stress on Root Growth and Soil Bacterial Diversity in Rhizosphere of Tomatoes Effects on controlling banana Fusarium wilt by bio-fertilizer, chitosan, hymexazol and their combinations