Chinese herbal medicine fertilization technology

Fertilizers can be divided into organic fertilizers and inorganic fertilizers, which means farm fertilizers and chemical fertilizers. Organic manure includes animal manure, cake manure, manure fertilizer, compost, fire and earth ash, and green manure. It is characterized by slow and long-lasting fertilizer, complete nutrient, and can significantly increase organic matter in the soil and improve soil structure. It is generally used as a basal fertilizer to supply the entire growing period of the plant. Among them, manure and compost were mostly ploughed into the soil before late autumn or early spring soil preparation; while cake manure was planted or planted before sowing or planting. For planting root and underground stem medicinal plants, organic fertilizer should be applied more. Inorganic fertilizers are characterized by fast decomposition and are easily absorbed by plants. They are fast-acting fertilizers and are generally top-dressed during plant growth. Planting 1-2 years old and all-purpose medicinal plants, more nitrogen fertilizer should be applied at the seedling stage to promote the growth of stems and leaves; in the late growth stage, phosphorus and potash fertilizer should be used. Perennial and root and underground stem medicinal plants, the frequency of topdressing is less, generally after the first time the top dressing should begin to grow in the spring, the second time before flowering, the third time after flowering, winter will be re-applied "paraffin"; Woody flowers, fruits, seeds, medicinal plants, fertilizers should be applied together with organic fertilizers before the fall trees enter the dormancy period. Because of the nutrient required for the tree to sprout, grow, and flower in the early spring, it mainly depends on the organic nutrients stored in the tree in the previous year. Because the accumulation of nutrients in the tree is carried out after the new shoots stop growing and the fruits are harvested, applying the quick-acting fertilizers, especially nitrogen fertilizers, in the fall will increase the photosynthetic efficiency of the leaves, increase the ability of the roots to absorb and synthesize nutrients, and increase the capacity of the tree body. Accumulation of nutrients lays a material foundation for the next year's bumper production and is a very important measure.

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