Hauert produces special fertilizers in Switzerland and Germany. With WUXAL, Tardit MU Liquid 28N, Hauert Bio NPK, Hauert Bio K, Hauert Bio Amino NK we offer solutions for foliar application. Hauert Turbostarter 12N -36 P2O5with B, Mn, Zn is suitable for seed tape fertilization. Field VC21 with field trials