Thursday, 22 June 2017
The Tambov schoolboys grow lettuce without soil
15-year-old student of the Tambov region has created a hydroponic setup in which I was raised lettuce
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The development of the student allowed him to take first place in the international competition of research works Internetional competition "The Big Progress".
A device that allows you to grow vegetables and plants without soil, was created at home on a smaller scale.
For planting seeds have been used salad, and as fertilizer applied nitrogen, phosphorus and potassium – those components that are usually takes a plant from the soil, and in hydroponic plant from the nutrient solution.
Photo: modelsv.ru
Translated by service "Yandex.Translation"
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