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 23 September 2024]. Available from: https://publications.waset.org/pdf/10000307.