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首页> 外文期刊>Bulletin of the National Research Centre >Biofertilization of Squash Plants Grown in Sulphur Rectified Sandy Soil with Streptomyces venezuelae Mutant and/or Thiobacillus thiooxidans
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Biofertilization of Squash Plants Grown in Sulphur Rectified Sandy Soil with Streptomyces venezuelae Mutant and/or Thiobacillus thiooxidans

机译：委内瑞拉链霉菌突变体和/或硫氧化硫杆菌，在硫磺改良的沙质土壤中生长的南瓜类植物的生物肥

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摘要

Attempts had been made to use sulphur-oxidizing microorganisms together with elemental sulphur to render many plant nutrients in soil in an available form for plant absorption and hence to substitute costly chemical fertilizer. This study compares between the efficiency of a Streptomyces Venezuelae mutant (SVM) and Thiobacillus thiooxidans (SOB) in oxidizing elemental sulphur in soil and the further consequences on squasli growth and yield in a pot experiment. Pronounced differences were distinguishable in the efficacy of tested strains in oxidizing sulphur and on pH values by either SVM or SOB in vitro as well as in increasing squash growth and yield. Sole biofertilization with SVM or SOB significantly increased the growth of squash and raised their nutrient contents. However, dual biofertilization with SOB and SVM was superior to sole biofertilization.
机译：已经尝试使用硫氧化性微生物与元素硫一起以可利用的形式在土壤中提供许多植物养分，以吸收植物，从而替代昂贵的化学肥料。这项研究在盆栽试验中比较了委内瑞斯链霉菌突变体（SVM）和硫氧化硫杆菌（SOB）氧化土壤中元素硫的效率以及对南瓜生长和产量的进一步影响。在体外通过SVM或SOB进行测试的菌株在氧化硫的功效以及pH值上以及在增加南瓜生长和产量方面，都存在明显差异。用SVM或SOB进行独家生物施肥可显着提高南瓜的生长并提高其营养成分。但是，使用SOB和SVM进行双重生物施肥要优于单独的生物施肥。

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