BLACKJAK® is a special formulation based on pure leonardite activated through a process that maintains the original characteristics of this unique organic matter, while allowing its effectiveness to be increased.
Whereto Apply
BLACKJAK® is an innovative, state-of-the-art, 100% natural biostimulant with highly decomposed and rapidly assimilated organic matter (humic, fulvic, ulmic acids, humin and natural nutrients) with the exceptional characteristic of having an acidic pH (4.2).