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How to prevent and control Welsh onion rust disease during continuous rainy days?
How to prevent Welsh onion rust disease during continuous rainy weather? Please advise. In summer and autumn, with high temperatures and frequent rain, if continuous rainy weather occurs, Welsh onions are prone to rust disease, and farmers should promptly take effective measures to strengthen prevention and control. Timely pesticide application for prevention and control: In summer and autumn, especially after 2-3 days of continuous rainy weather, promptly inspect Welsh onions for rust...
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How to prevent and control waterlogged root rot in Welsh onions? These methods you need to master
What methods can increase the yield of Welsh onions? Please advise. To increase the yield of Welsh onions, you can refer to the following methods: 40-50 days after planting Welsh onions, the root system has basically recovered and begins to enter the vigorous growth period of the leaves. In terms of technical management measures, it is necessary to shift from mainly promoting root growth in the early stage to mainly promoting stem and leaf growth. To improve the...
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What are the control methods for cotton boll rot?
1. Poor light is suitable for the rapid infection and spread of pathogens, and the disease is often severe, with cotton boll rot also being relatively serious. Types of cotton boll diseases: cotton boll rot is caused by infection and damage to cotton bolls by multiple pathogens. In cotton-growing areas of our province in years with abundant summer and autumn rain, cotton fields have relatively high humidity, heavier closure, and ventilation and light penetration account for 28.3% of boll diseases. In our province, the number of rainy days and rainfall in late August...
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How to prevent and control cucumber diseases? Sharing practical prevention and control methods
How do you lower the vines when growing cucumbers in a greenhouse? Please provide guidance on lowering greenhouse cucumber vines at the right time to reduce plant height, allow the leaves to be distributed evenly, maintain a reasonable position for light exposure, strengthen cucumber growth vigor; this is one of the important companion measures for achieving high-yield, efficient, and high-quality greenhouse cucumber cultivation. First, remove diseased leaves, old leaves...
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How to prevent cucumber downy mildew? Master these control methods
How to prevent cucumber downy mildew? Please explain that cucumber downy mildew is one of the most common and most serious diseases occurring on cucumber. It can occur throughout the entire growth period of cucumber and mainly damages the leaves. After the leaves are affected, water-soaked light green spots first appear and gradually turn yellow-green and yellow. It occurs in all parts of our city and causes great...
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Eight Detailed Methods for Controlling Mites in Substitute-Material Wood Ear Mushrooms
Rapeseed cake powder trap method: take an appropriate amount of rapeseed (0,-5025.00,-100.00%) cake, grind it into powder, put it in a hot wok, and stir-fry over low heat until the powder gives off a rich oil fragrance, then remove from the wok. On the surface of the growing substrate or bed where the mushroom mites are causing damage, cover with a wet cloth, then lay a piece of gauze on top of the wet cloth, sprinkle the fragrant rapeseed cake powder onto the gauze, and wait...
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What are the methods for preventing and controlling lily pests and diseases?
Planted for just over a year, the eucalyptus grew to 15 m, increasing by more than 1 m per month on average! This is the eucalyptus growth rate achieved by Zhang Quanhai, a forest farmer in Min'an Town, Fogang County. Zhang Quanhai revealed that scientific planting management and the rational application of compound fertilizer and calcium-magnesium fertilizer are the secret to the rapid growth of his eucalyptus. Being both a fertilizer dealer and a wood...
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Control methods for underground pests in sugarcane cultivation
How to control underground pests in sugarcane cultivation? Please advise. Underground pests of sugarcane are a major group of important pests seriously harming sugarcane production in Yunnan, mainly including: sugarcane beetles, sugarcane weevils, stem-boring weevils, sugarcane termites, sugarcane root aphids, etc. Among them, sugarcane beetles, sugarcane weevils and stem-boring weevils are the most common and cause the most serious damage...
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What are some good methods for controlling sugarcane pests? Introduction to practical control techniques
What are some good methods for controlling sugarcane pests? Please note that starting this year, China has completely banned the sale and use of five highly toxic pesticides: methamidophos, methyl parathion, parathion, monocrotophos and phosphamidon. Some formulations are introduced here that can effectively replace monocrotophos pesticide, for everyone's reference. 1. Using high-efficiency, low-toxicity, low-residue and...
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What are the control methods for boll shedding in cotton?
The reasons for the high or low emergence rate of cotton are, generally speaking, manifold: they include the effect of the weather during the previous year's cotton harvest season on the maturity of the cotton, as well as whether the cotton seedling-raising techniques were properly matched. As for the climatic conditions of the previous year, the weather during the cotton harvesting period was, on the whole, fairly good, which was favorable for the maturation of cotton seeds...
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