钾是茶树生长必需的主要矿质营养元素之一,缺钾时,表现分枝少、茶冠覆盖范围窄、叶片呈现不规则黄化失绿、叶尖和叶缘焦枯并向下翻卷、叶背有明显焦黄斑块、叶片易碎并早衰脱落、茶叶产量低、品质差。茶树缺钾症的原因主要是因为芽叶含钾高,采茶后耗钾量大,加上茶园多建立... Potassium is one of the main mineral nutrients required for the growth of tea trees. When potassium is deficient, it has few branching branches, narrow coverage of tea crowns, irregular yellowing and chlorosis of leaves, scorch of leaf tips and leaf edges, There are obvious yellow patches, fragile leaves and premature aging fall, low tea yield, poor quality. Tea potassium deficiency is mainly due to the high potassium buds, potassium consumption after picking tea, plus more tea plantations established ...