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1 柚树缺钾症状表现缺钾症状一般由老叶逐渐向新叶扩展。如新叶出现缺钾症状 ,则表明缺钾严重。柚树缺钾的主要特征 :老叶叶缘叶尖发黄 ,黄化区随着缺钾程度的增加 ,逐渐向下部扩展 ,叶片变小并逐渐卷曲、皱缩 ,中脉或侧脉可能变黄 ,严重时叶片畸形 ,并出现黄斑、枯斑或褐斑 ,
1 symptoms of potassium deficiency symptoms of pomelo potassium symptoms generally from old leaves to new leaves gradually expanded. Potassium deficiency symptoms such as new leaves, then showed a serious potassium deficiency. The main characteristics of potassium deficiency in the pomelo tree is that the tip of the leaf margin of old leaves is yellow, the yellowing area gradually expands to the lower part with the increase of potassium deficiency, the leaves become smaller and gradually curl and shrink, the midrib or lateral veins may turn yellow , Severe leaf deformities, and macular, dead spots or brown spots,