WASET
    Mohammad Koushafar and  Amir Hossein Khoshgoftarmanesh,  Interactive of Calcium, Potassium and Dynamic Unequal Salt Distribution on the Growth of Tomato in Hydroponic System.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 27 - 30
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10000307.