A liquid mineral composition for leaf spraying to improve the adaptive response of plants to a change in environmental conditions. The composition includes the following formula (I) with percentages based on weight per total weight of the composition: total ammoniacal nitrogen (N %) 0.08% to 2% potassium as K20 3% to 6% magnesium as MgO 0.4% to 0.8% sodium as Na20 1% to 2% calcium as CaO 0% to 0.5% total sulphates as SO3 3% to 6% total phosphorus as P2O5 0% chlorides Cl 1% to 2% hydrogen carbonate (% of HCO3) 1.2% to 3.0% boron 0.1 to 0.2% copper 0.018% to 0.03% manganese 0.00005% to 0.006% iodine 0.02% to 0.04% zinc 0.00005% to 0.006% iron (mg/kg) 0.0002 to 0.003 water amount sufficient for 100%.
