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Effect of N-Fixing Bacteria and Variable Organic Matter on Some Characteristics of Vermicompost
Russian Agricultural Sciences Pub Date : 2020-07-15 , DOI: 10.3103/s1068367420030027
Abbas Biabani , Zahra Naderi , Abdollatif Gholizadeh , Neshat Golikhajeh , Fahimeh Fakhar

Abstract—The aim of this study was investigated the effect of N-fixing and variable organic matter on some of the chemical properties of vermicompost. Treatments included factorial of nitrogen-fixing bacteria in four levels (no inoculation with bacteria, inoculate with Azotobacter, commercial Nitroxin and commercial Nitrokara), and the effects of various substrates in three levels (cow manure, straw and plantain leaf in ratio of 50:50). Measurements were the traits of the weight of produced worm biomass, the amount of cocoon production, total carbon and total nitrogen. Result showed that the heaviest adult worm weight, total worms and cocoon weight was observed in cow manure treatment that has not been inoculated. Treatment of cow manure with plantain leaf in ratio of 50 : 50 and Azotobacter, had the highest percentage of organic materials among the treatments and the maximum amount of total nitrogen obtained from treatment containing cow manure 50% + plantain leaf 50% and Azotobacter. Free-living aerobic bacteria, by using supplemented energy, improved the quality of final vermicompost but had no effect on the weight of biomass.

中文翻译:

固氮菌和可变有机物对Ver菜某些特性的影响

摘要—本研究的目的是研究固氮和可变有机物对ver石化学性质的影响。处理方法包括四个级别的固氮细菌分解因子(不接种细菌,不接种固氮菌,商业性硝基毒素和商业性Nitrokara),以及三个级别(牛粪,稻草和车前草叶的比例为50: 50)。测量是所产生的蠕虫生物量的重量,茧的产生量,总碳和总氮的特征。结果表明,在未接种牛粪处理中,观察到成虫重,虫和茧重最重。以50:50和50:50的车前草叶处理牛粪和在所有处理中,固氮菌的有机物含量最高,而含有牛粪50%+车前草叶50%和固氮菌的处理所获得的总氮量最大。通过使用补充的能量,自由生活的需氧细菌提高了最终ver堆的质量,但对生物量的重量没有影响。
更新日期:2020-07-15
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