问:我养的茉莉,叶片瘦小,光泽差,呈淡黄色。其原因何在? 安徽蒋同生答:一般有以下几个原因:(1)在生枝展叶、现蕾开花的生长期间,缺少肥料。在此阶段应每七天左右施追肥一次。一般以矾肥水作追肥,就可防止黄化。(2)如全株黄化或从下部较老叶片向上发展,则可确诊为缺氮所致。应进行翻盆换土或增施氮肥,并同时施以含磷、钾较多的肥料,可促使回黄 Q: I keep jasmine, leaves thin, poor gloss, pale yellow. The reason why? Anhui Jiang Tongsheng A: There are several reasons for the general: (1) in the branches and leaves, budding flowering period, the lack of fertilizer. At this stage should top-dressing once every seven days or so. General alum fertilizer for fertilizer, you can prevent yellowing. (2) If the whole plant yellow or older leaves from the lower part of the development, you can diagnose due to nitrogen deficiency. Turn pot for soil or increase nitrogen fertilizer, and at the same time to phosphorus, potassium more fertilizer, can promote back to yellow