种植荷叶根时，请确保Lotus root Field的清洁度。Lotusroot对除草剂非常敏感。Lotusroot Firats不能使用除草剂。疾病的病原体旋转为2 - 3年，并且选择了疾病的抗性种类。在病毒疾病的早期阶段喷洒，基于指甲的支架和daisen锌通常在黑斑中使用。在种植莲花根场之前，可以将石灰变深并应用以喷洒敌人的普通水果或快乐的水果。
1. Wental disease: The wilt of lotus leaf will affect the growth of lotus leaf, causing the scorched yellowing, affecting the growth of lotus root, and reducing yield.
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3. Dark spots: Also known as brown pattern and leaf spots. In the early days, there were small brown spots on the tip of the needle. In the later stage, the whole leaf had a spots, which caused the semi -leaf or whole leaf to dry.
4. Corruption: The lotus leaves were pale green at the beginning西北商品官网. Later, the edges began to dry.
The main pests of lotus root include aphids, oblique night moths, and thorn moths.It endangers the growth of standing leaves and flower buds.If the situation is serious, it will cause the entire plant to die, and aphids will also induce virus diseases, which should be prevented and controlled in time.
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1. Pest control: spray the enemy or fruit fruit, the water maggot sucks the juice of lotus root, stems, and leaves, causing the lotus leaves to yellow, and lime can be killed.西北商品交易中心股票
2上来西北商品交易中心. Disease prevention: keep the lotus root field clean, lotus root is very sensitive to herbicides.Lotus root fields cannot use herbicides.In 2-3 years of serious illness fields, choose disease resistance varieties, timely prevent aphids, increase phosphorus and potassium fertilizer, and improve disease resistance.The diseased leaves should be cleaned in winter and burned in concentrated.
Corruption is commonly used in methyltojin and 100 bacteria.When onset, you can use a bacteria to clear the dry soil, stir well, and sprinkle into the shallow water field.
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