Micronutrients
Zinc, iron, manganese, copper and boron lignosulfonates and lignohumates, and how lignosulfonate complexes compare with EDTA chelates.
-
Lignosulfonate vs EDTA Chelates for Micronutrients
How lignosulfonate complexes and EDTA chelates differ in bond type, soil stability, biodegradability and use, with study results and a selection table.
-
Zinc Lignosulfonate with NPK Fertilizers: Mixing Guide
How to combine zinc lignosulfonate with urea, ammonium sulfate, DAP and MAP: zinc calculation, the zinc–phosphate interaction and a jar-test procedure.
-
Ferrous / Iron Lignosulfonate
Ferrous and iron lignosulfonate in agriculture: iron complex behaviour, soil pH limits, foliar use and how to qualify a grade.
-
Copper Lignosulfonate Foliar Sprays: Dose and Crop Safety
Copper lignosulfonate in foliar and irrigation programmes: how much copper a dose supplies, signs of copper deficiency, jar tests and avoiding leaf injury.
-
Boron Lignosulfonate in Fertilizer Programs: Rates and Toxicity
How to use boron lignosulfonate in fertilizer programs: converting B2O3 to boron, soil and foliar starting points, sensitive crops and the toxicity margin.
-
Calcium Lignosulfonate Micronutrient Complexes: Fe, Zn, Mn
How calcium lignosulfonate complexes Fe, Zn and Mn in fertilizer formulations: research, EU complexing-agent rules, grade checks and a stability test plan.