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中草药的叶面追肥简单、方便、成本低、见效快、效益高,对增加中草药的产量和品质有着积极的作用。 根及根茎类:如丹参、黄芪、山药、地黄和半夏等,叶面追肥以磷、钾肥为主,可用0.4%磷酸二氢钾溶液或2%过磷酸钙浸出液、4%草木灰浸出液喷施。喷施时间一般在生长中后期。 果实籽仁类:如枸杞、牛蒡子等,叶面施肥以氮、磷、钾混合液或多元复合肥为主。用1%尿素加2%过磷酸钙浸出液加1%硫酸钾的混合液,或用浓度0.2%~0.3%磷酸二氢钾溶液喷施。在生长中后期喷施1或2次,对于提高产量和品
Chinese herbal foliar top dressing simple, convenient, low cost, quick, high efficiency, increase the yield and quality of Chinese herbal medicine has a positive effect. Roots and rhizomes: such as Salvia, Astragalus, yam, Rehmannia glutinosa and Pinellia, foliar top dressing to phosphorus and potassium-based, available 0.4% potassium dihydrogen phosphate solution or 2% superphosphate leaching solution, 4% . Spraying time generally in the late growth. Fruit seeds categories: such as medlar, Arctium, foliar fertilizer to nitrogen, phosphorus and potassium mixed liquid or multi-compound fertilizer based. With 1% urea plus 2% superphosphate leaching solution plus 1% potassium sulfate mixture, or with a concentration of 0.2% ~ 0.3% potassium dihydrogen phosphate solution spray. Spraying 1 or 2 times in the late growth, for increasing yield and quality