Study of the temperature requirements for ponds of treatment facilities for Eichhornia cultivationVladimir A. Dmitriyenko, Sergey N. Armeyskov, Irina N. Kokunko and Natalya V. MerenkovaE3S Web Conf., 193 (2020) 02016DOI: https://doi.org/10.1051/e3sconf/202019302016