当前世界上许多发达国家的复肥生产约占整个化肥生产的70％,其中硝酸磷肥和硝酸磷钾肥是高浓度复合肥的重要品种,这种硝酸磷系复合肥无论在生产工艺、原料取材还是肥料性质等方面都有许多优点,但是,在红壤条件下,对茶树能否起到增产提质作用,能否适合酸性土壤施用以及如何施用等尚须试验。 At present, the production of compound fertilizers in many developed countries accounts for about 70% of the total production of fertilizers. Among them, nitrophosphate and phosphorus, potassium phosphate are important varieties of high-concentration compound fertilizers. No matter in the production process or raw materials, Fertilizers and other aspects have many advantages, but in the red soil conditions, the tea can play a role in increasing yield and quality, the suitability of acid soil application and how to apply such tests still have to be.