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Hypochlorite Application for Controlling Algae Biofilm Formation, Microorganisms and Tomato Production in Recirculating Systems

机译:次氯酸盐在循环系统中控制藻类生物膜形成,微生物和番茄产量的应用

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Physical and chemical disinfection methods are used or are under investigation in greenhouse facilities to minimize the occurrence of pathogens and the application of pesticides in recirculating systems. Since the most of these methods differ in their effectiveness, more investigation is needed to produce healthy plants in a sustainable way. Therefore, the present study is focused on the identification of interactions between hypochlorite (ClO-) used as a disinfectant for a recirculating system and algae formation, spread of microorganisms, as well as plant development. As such, on-site produced potassium hypochlorite (1 % KClO) solution were supplemented using proportional injection control once a week for 90 min, as a disinfectant, into a recirculating tomato production system (NFT) until a free chlorine concentration of 1 mg L-1 (D I) and 2 mg L-1 (D II) were reached, respectively.
机译:在温室设施中使用或正在研究物理和化学消毒方法,以最大程度地减少病原体的发生和在循环系统中使用农药。由于这些方法中大多数方法的效果都不同,因此需要更多的研究来以可持续的方式生产健康的植物。因此,本研究的重点是鉴定用作循环系统消毒剂的次氯酸盐(ClO-)与藻类形成,微生物传播以及植物发育之间的相互作用。因此,每周90分钟使用比例注射控制将现场生产的次氯酸钾(1%KClO)溶液作为消毒剂补充到循环番茄生产系统(NFT)中,直到游离氯浓度为1 mg L分别达到-1(DI)和2 mg L-1(D II)。

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