The invention discloses a preparation method of a
seedling substrate for preventing and treating
continuous cropping obstacles, and relates to the technical field of
seedling substrates. Comprising the following steps: 1, preparing artificial
peat; step 2, crushing and granulating; 3, mixing and stirring; and 4,
drying, crushing and forming. The invention further discloses application of the
seedling substrate for preventing and treating the
continuous cropping obstacles, and the seedling substrate is applied to seedling culture of vegetables, flowers and
forestry and is also applied to relieving the
continuous cropping obstacles of soil. According to the preparation method and application of the seedling culture substrate for preventing and treating continuous
cropping obstacles, the
biological agent formed by mixing ningnanmycin and
bacillus subtilis is added into the seedling culture substrate, so that bacterial and fungal diseases generated in the early stage of seedling culture can be effectively controlled, and various amino acids, vitamins and trace elements contained in the
biological agent can be used for preventing and treating continuous
cropping obstacles. The
plant growth regulator has obvious regulation and
growth stimulation effects on
crop growth, is beneficial to improvement of
germination of
crop seeds and growth of root systems, and improves the emergence rate and the strong seedling rate.