engleski

The Influence of Solar Insolation and Oxygen Content in Water on the Efficiency of Intensive Hydroponic Salad Growing in Greenhouses

Within a designed and constructed system of intensive hydroponic lettuce growing in shallow pools installed in greenhouses under controlled technological and microclimate conditions, trial measurements of the influence of solar insolation and oxygen content in water on growth rate and plant yield were carried out. Multiple measurements were taken in summer and winter periods in the continental area of the Republic of Croatia under various external atmospheric conditions. Results were analysed and compared with analytical and graphical representation of numerical values. Advantages and disadvantages of the interaction of tested parameters on the efficiency of lettuce growth and mass yield were highlighted. Possible areas of development and improvement have been suggested.

solar insolation ; greenhouse ; water ; oxygen content ; lettuce ; efficiency ; mass yield

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