Alventa S.A. is a manufacturer of high quality soluble fertilisers used in fertigation under covered and open cultivation. Our portfolio includes magnesium sulphate heptahydrate, potassium nitrate and magnesium nitrate. Granulated fertilisers included in our offer are high-quality granulated magnesium sulphate of excellent solubility. Nutrients included in our fertilisers are easily assimilable by plants in any conditions.