Chemical products for use in agriculture, horticulture and forestry; Fertilizing products; biofertilizing products; fertilizers for soil and agriculture; natural fertilizers and biological fertilizers; biostimulants (agricultural products that improve plant strength, quality, yield and resistance to abiotic stress); plant growth regulating preparations; products for seed treatment and coating with a fertilizing effect; bacteriological preparations for use in fertilization and soil improvement other than for medical or veterinary use; natural bacteriological preparations which activate soil micro-organisms other than for medical or veterinary use; fertilizing products namely culture media.