to spend such money on fertilizers although sellers avoid this word, an experienced gardener irina korsakovauest irina studied the jar with the additive and her trained eye immediately caught on to some formulations. here, for me, some completely incomprehensible abracadabra is not mineral. good fertilizer, but at the same time contains nitrogen, phosphorus and potassium with it. we will definitely figure it out and , most importantly, we will conduct full-scale tests. irina will grow cucumbers with a nutrient substrate and, for comparison, without it in a greenhouse and in a garden, and in our studio, five will act as a test group. we leave one pot of petunias without any fertilizer at all. this will be a control sample in another container, mix the earth and the applicant for the sticker. we will add sand to its miracle. yes, yes, the producers claim that with their feeding , the plants will grow on any soil for one more flower. we bought a popular and long-sold substrate from a german manufacturer. it does n't even need soil. only a special pot with automatic watering cost 2,000 rubles. w