条件筛选
-
Broadcasting Methods and Key Sowing Techniques for Codonopsis pilosula
First rake off the surface dry soil, use a scraper to level the bed surface, evenly broadcast the seeds over the bed surface, lightly sweep the bed surface several times with a broom, mix the seeds into the topsoil, and then compact. After sowing, cover the bed surface with 1 layer of rice straw, millet straw, corn stalks, etc., and then water appropriately, keeping the soil moist regularly to facilitate seedling emergence. Sowing rate: 15 kg per hectare for drilling, 15-20 kg per hectare for broadcasting. Codonopsis pilosula seeds are small; to sow evenly, the seeds can be mixed with an appropriate amount of fine sand before sowing. Direct