济南曲堤黄瓜
黄瓜在生长期间，如果营养不良，管理不当，或遇不良的气候和某些病害的浸染，往往造成叶片变黄，影响黄瓜的生长，甚至绝收。黄瓜叶片变黄主要有以下三类：
Cucumber in the growth period, if malnutrition, mismanagement, or in case of bad weather and some diseases disseminated, often cause yellow leaves, affecting the growth of cucumber, and even crops. Cucumber leaves yellowing mainly in the following three categories:
缺素型黄叶。缺素型黄叶分为中、下部老叶先黄和中、上部嫩叶先黄两种情况。中下部老叶先黄，所缺元素多为植株体内易被再利用的元素，如氮、钾、镁、锌等。
Deficiency of leaves. Deficiency of leaves into the middle and lower part of the old Ye Xian Huang Hezhong, the first two kinds of yellow leaves in the upper. In the lower part of the old Ye Xian yellow, the missing elements are mostly easy to re-use elements in plants, such as nitrogen, potassium, magnesium, zinc, etc..
1.整个植株生长受抵制，较老叶片整叶先缺绿，为缺氮。防治对策是叶面喷施0.5%～1%尿素溶液2～3次。
1 the whole plant growth was resisted, and the whole old leaf was lack of green for Ye Xian. Prevention and control measures are foliar spray 0.5% ~ 1% urea solution for 2 ~ 3 times.
2.整个植株生长无明显抵制脉失绿变黄，叶脉间失绿变黄，叶缘为绿色，或残留有绿色斑点，不卷曲，为缺镁。防治对策是叶面喷施1%～2%硫酸镁溶液。
2 of the whole plant growth without obvious loss of green and yellow veins to resist, chlorosis between veins of yellow, green leaf margin, or residual green spots, not curly, for magnesium deficiency. The preventive measures were spraying 1% to 2% Magnesium Sulfate solution.
3.植株生长无明显抑制，叶缘失绿以至坏死，有时叶片上也有失绿至坏死斑点，为缺钾。防治对策是叶面喷施0.3%～0.5%磷酸二氢钾溶液2～3次。
3 no obvious inhibition of plant growth, leaf edge chlorosis and necrosis, sometimes the leaves are also green to necrotic spots, lack of potassium. Prevention is a foliar application of 0.3% ~ 0.5% and 2 ~ 3 potassium dihydrogen phosphate.
济南曲堤黄瓜常年代收批发(黄瓜/黄瓜苗销售电话 ★13964174712)本公司黄瓜产自济阳县曲堤镇，地处黄河下游冲 积平原。
曲堤黄瓜常年销售如有需要批发黄瓜、黄瓜蔬菜，黄瓜苗的，可联系电话 13964174712 或15006 |
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