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The first sign of potassium deficiency is a white speckling or freckling of the leaf blades.
缺钾的最初病症是叶片呈现白色斑痕或斑点.
辞典例句
See also Plate 32 manganese deficiency and Plate 20 potassium deficiency.
同样注意图32缺锰症和图20缺钾症.
互联网
Leaf: Threshold iron supply with potassium deficiency; symptoms generally as in 27 or 28 above.
番茄增加铁供应加剧钾缺乏症状:叶片: 增加铁的供应可使钾缺乏, 一般症状如27或28所述.
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