Humic Acid Concentrate 
A make of biostimulant containing humic acids, being part of the Velvit brand that is supplied by Greenbest. The suggested application rate is 5 to 10 litres of concentrate in 300 to 600 litres of water per hectare.
Humic Acid Concentrate
A make of biostimulant containing humic acids, being part of the Velvit brand that is supplied by Greenbest. The suggested application rate is 5 to 10 litres of concentrate in 300 to 600 litres of water per hectare.