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How can rice white-tip nematode disease be controlled effectively?
After the Beginning of Spring, some areas in the south begin preparing to raise rice seedlings, so Zhongdiwang has compiled the four key points of rice seedling raising, listed in detail below for netizens' reference. Key point one, treatment of rice seeds: to improve the germination rate of rice, the seeds should be sun-dried before sowing, then treated with Baike (25% prochloraz)...
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How can hollow celery be effectively prevented and controlled?
What causes hollow celery? How is hollow celery prevented and controlled? We ask experienced readers to help explain. Hollow celery is mainly caused by the parenchyma tissue of the leaf stalk near the pith rupturing and shrinking, which enlarges the pith cavity and forms the hollow. Once hollow, celery has more fiber, poorer quality and lower yield, and its market...
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How can sorghum stem borers be controlled effectively?
How can sorghum stem borers be controlled well? Please provide guidance on methods to control sorghum stem borers. They are the main pests damaging sorghum and corn. Sorghum stem borers overwinter as mature larvae inside sorghum and corn stalks, and a few also overwinter in corn cobs. Adults are phototactic; in spring they mostly lay eggs during the whorl stage, while in summer they lay eggs during the corn tasseling...
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How can weed control in summer soybean planting be effective?
How do you control weeds when planting soybeans in summer? Please give an introduction. After summer soybeans are sown, the soil and climatic conditions favor weed germination and growth. If chemical control is not carried out in time, it is very easy for weeds to run wild. In production, based on the characteristics of weed occurrence in summer soybean fields and the properties of herbicides, pesticides should be applied early for control. Soil-incorporated treatment: after land preparation, per...
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How can weeds be controlled effectively after sowing summer corn?
What is the best way to control weeds after sowing summer corn? Please give an introduction. Summer corn is generally sown in early June. During this period, temperatures are relatively high, and weeds grow quickly. Generally, 10 days after sowing, the peak of emergence is reached, and after 15 days, the number of emerged weeds can reach 90% of the total. Because corn plants are small during the seedling stage, they are vulnerable to weed damage. If not controlled in time, it can very easily...
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How can corn northern leaf blight be controlled effectively?
How is corn northern leaf blight treated? Please explain. Corn northern leaf blight has long been a major epidemic leaf disease threatening the safety of corn production in Shangluo. This disease often causes the most severe damage in summer-sown corn. Occurrence characteristics: First, there are significant differences in disease resistance among corn varieties. Surveys have shown that varieties such as Zhengda 12, Yuyu 22, Nongda 3138, and Anyu...
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How can rice planthoppers be controlled effectively?
How are rice planthoppers best controlled? What harm do rice planthoppers do to rice? Please provide an introduction. Harm of rice planthoppers to rice: Rice planthoppers are a frequently occurring pest that seriously harms rice. In the early stage of damage, many irregular brown spots appear on the stems; when the damage is severe, the whole plant withers and gradually spreads into patches; during the booting stage of rice...
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How can potato late blight be controlled effectively?
How can potato late blight be controlled effectively? Please provide guidance. Effective control of potato late blight can be carried out in the following ways: 1. Agricultural control: ① Select disease-resistant varieties, plant at a reasonable density, use balanced fertilization, increase potassium fertilizer, and enhance plant resistance. ② Strictly select disease-free seed potatoes to eliminate sources of disease infection. ③ High...
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How can chemical control of rice pests and diseases reduce pesticide damage?
How to treat rice sheath blight? What methods can be used to prevent and control rice sheath blight? The following measures are mainly taken: 1. Select disease-resistant varieties. 2. Salvage sclerotia to reduce the source of inoculum. 3. Strengthen cultivation management, apply sufficient base fertilizer, apply topdressing early, do not apply nitrogen fertilizer alone, increase phosphorus and potassium fertilizer, adopt formula fertilization technology, so that...
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What methods can prevent and control autumn tomato fruit rot
What methods can prevent autumn tomato fruit rot? Please advise on fruit rot caused by cottony leak. First, smooth light brown spots appear on the top or shoulder of the fruit, sometimes with a small amount of white mold, then gradually form concentric ring patterns, gradually turning dark brown, and the flesh under the skin also turns brown; in the later stage the entire fruit rots and drops off. Prevention and control...
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