Page 194 - AJWEP-v22i3
P. 194

Vasylkovska, et al.

                “Rutan”  basil  (Ocimum basilicum), developed  by the   the range of 20 – 24°C, with a relative humidity of
                “Mayak” Research Station of the Institute of Vegetable   60 – 70%.
                and Melon Growing of the National  Academy of
                Agricultural Sciences, Ukraine. The vegetation period   To enhance the efficiency of growing vegetable and
                for this variety ranges from 60 to 66 days.         berry crops, the Central Ukrainian National Technical
                  The main parameters of the study included:        University developed a pilot portable hydroponic NFT
                                                                                                 7,21
                (i)  A standard hydroponic nutrient solution formulated   unit  incorporating  phytomatrix.    This  unit  operates
                   for leafy crops, containing micro- and macroelements   on the NFT principle and features a vertical column-
                   within  the  recommended  concentration  range   shaped structure that ensures compactness and allows
                   for basil.   To enhance  the  nutrient  solution,  the   a fixed number of plants to be grown within a limited
                            20
                   effective  microorganisms-5  (EM-5)  preparation   space (Figures 1 and 2A).
                   was incorporated.  This  preparation  contains      As illustrated  in  Figure  1,  the  hydroponic  column
                   beneficial microorganisms known to stimulate root   (number 8) is a pipe that contains a nutrient solution
                   system  activity,  improve  physiological  processes,   supply pipe (number 7), which is fed from a reservoir
                   and increase plant yields. 16                    (number 9) to the top of the column through a pumping
                (ii)  Phytomatrices  with  red  and  blue  LED  emitting   system and water pump (number 11). Inside the reservoir,
                   elements in a ratio of 4:1 were used for lighting. 21,22  a sensor (number 10) monitors the minimum nutrient
                (iii) The temperature  regime  was maintained  within   solution level to maintain proper operation. At the upper
                                                                    part of the hydroponic column (number 8), there is an
                                                                    air  valve  (number  1), a  nutrient  solution  distribution
                                                                    unit  (number  2),  and  a  phytomatrix  attachment  unit
                                                                    (number  3)  equipped  with  radiating  elements.  Below
                                                                    this is the nutrient solution supply unit (number 4), to
                                                                    which phytomatrix components (number 5) are attached
                                                                    and  extended  downward.  Equally  spaced  around  the


                                                                     A                        B






















                Figure  1.  Schematic  diagram of the portable
                hydroponic nutrient film technique system: (1) air
                valve;  (2)  nutrient  solution  distribution  unit;
                (3) phytomatrix fastening unit; (4) nutrient solution
                supply unit; (5) phytomatrix with radiating elements;
                (6) hydroponic baskets; (7) nutrient solution supply
                pipeline; (8) vertical hydroponic column; (9) tank;
                (10) sensor of the minimum level of nutrient solution   Figure 2. General view of (A) portable hydroponic
                at the tank; (11) pumping system with a water pump;   nutrient film technique system and (B) phytomatrix
                and (12) roller system                              with radiating elements



                Volume 22 Issue 3 (2025)                       188                           doi: 10.36922/AJWEP025170132
   189   190   191   192   193   194   195   196   197   198   199