This invention discloses a closed-loop soil improvement method for vineyards using
organic fertilizer synergy, comprising the following steps: seasonal directional grass cultivation, preparation of
Bacillus subtilis agent, preparation and application of self-made
organic fertilizer in the early stage of
vineyard establishment, and closed-loop synergistic improvement method; the closed-loop synergistic improvement method is divided into early stage improvement and
late stage improvement, relying on grass return to the field and
Bacillus subtilis to maintain
soil fertility and
nutrient cycle.