Such a solution can be made on the basis of the drug "Gumat," whose concentration in 1 liter of water should not exceed 10 drops.
Xalka noocan oo kale ah ayaa lagu sameyn karaa iyada oo ku saleysan daroogada "Humate," oo diiradda lagu saaro 1 litir oo biyo ah oo aan ka badnayn 10 dhibcood.