Chemicals of synthetic and/or natural origin used in industry and science, namely, surfactants for use in agricultural soil amendments and adjuvants to improve soil moisture distribution and retention, humectants, water retention polymers for use as soil amendments; fertilizers and fertilizing preparations containing macro- and/or micro-nutrients formulated with surfactants, humectants and water retention polymers; chemicals of synthetic and/or natural origin, namely, synthetic surfactants an...