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月季可以由根部从土壤中吸收养料,也可以把肥料配制成很稀的溶液,直接喷到新梢或是叶片上,使养料慢慢进入叶片的内部。这就是月季的根外追肥。其优点是:肥效快,利用率高,用肥量少;如果缺少某种肥料时,用这种方法补充比较方便。但根外追肥只可做土壤施肥的辅助办法。月季根外追肥时要在湿度比较大、温度不低于20℃的早晨或傍晚进行。要尽量使喷肥雾点在叶面上
Rose can absorb nutrients from the soil from the roots, but also the fertilizer can be formulated into a very dilute solution, sprayed directly to the shoots or leaves, the nutrients slowly into the leaves inside. This is the rose outside the top dressing. The advantages are: quick fertilizer, high utilization, less fertilizer; if a lack of a fertilizer, supplemented by this method more convenient. However, top-dressing can only be used as an aid to soil fertilization. Rose outside the top dressing when the humidity is relatively high, the temperature is not less than 20 ℃ in the morning or evening. To try to make fertilizer fog point in the foliage