
Fertilizers
Stemma LS
High bioavailability of manganese and zinc
Foliar
Stemma Mn LS and Stemma Zn LS are liquid products based on manganese and zinc complexed by lignosulfonic acid (LS).
LS is an organic molecule from vegetal origin, which acts as highly effective carrier through the leaf cuticle and through the vegetal tissues for Zinc and Manganese.
Thanks to the complexing action of LS, Stemma LS have a quick efficacy also a low rate.
Rate of use
Composition % w/w (equivalent to % w/v at 20°C)
Rate of use
Foliar: All the crops 1-2 l/ha
Composition % w/w (equivalent to % w/v at 20°C)
Total complexed Mn sol. in H2O % | Total complexed Zn sol. in H2O % | |
Stemma Mn LS | 8 (10.8) | – |
Stemma Zn LS | – | 10 (13.5) |