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What herbicide is used for pre-emergence weed control after sowing rapeseed?
What herbicide is used for pre-emergence weed control after sowing rapeseed? Please give an introduction. After sowing rapeseed and before seedling emergence, clomazone can be used for pre-emergence weed control. Clomazone can control a variety of annual grass weeds and broadleaf weeds, and is mainly used in rapeseed transplanting fields, where soil closure treatment is carried out before rapeseed transplanting. Clomazone is usually...
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What are the common weeds in rapeseed cultivation?
What weeds occur in rapeseed cultivation? What herbicides can be used to control them? An introduction: I. Main weeds in rapeseed fields. Main weeds in dryland rapeseed: cleavers, corn spurry, speedwell, small goosefoot, flixweed, shepherd's purse, wallflower, Cardamine, bluegrass, wild oat, knotgrass, white campion, thistle, small bindweed, etc.
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Grapefruit, also known as pomelo, what are its benefits and effects?
What are the benefits of grapefruit (pomelo)? Please give an introduction. Grapefruit is a citrus fruit that arose from an accidental mutation of the pomelo. Because the fruits grow in clusters on the branches like grapes, it is called grapefruit. Grapefruit belongs to the tropical type of citrus; it is easier to manage than mandarin and ponkan, and it yields abundantly. The fruit has a very distinctive flavor,...
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What are the methods to prevent small berries in grapes?
What should you do if there are many small berries in grapes? What methods can prevent small berries in grapes? We would also like experienced netizens to share their methods. Large, round grapes are very popular with consumers on the market, but during the process of growing grapes, inadequate management often leads to grape seed abortion, resulting in a large number of small berries...
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What to Do When Grape Fruit Set Rate Is Low? A Few Methods to Improve It
How can you improve the fruit set rate of grapes? What methods can make grapes bear more fruit? We also ask experienced readers to share their advice. The fruit set rate of grapes is the issue that readers who grow grapes care about most, so Zhongdi Web has compiled methods that can improve the fruit set rate of grapes. They are listed in detail below for readers' reference. Met...
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How can fertilizer burn be prevented in rapeseed cultivation?
How can fertilizer burn be prevented in rapeseed? Please explain the methods. To prevent fertilizer burn in rapeseed, you can refer to the following 4 methods (for reference): 1. Use the layered application or full-layer deep application method: according to the planned crop rotation for the year and the total amount of fertilizer, apply it all at once during deep plowing, adopt formula fertilization technology, and master the three elements of nitrogen, phosphorus, and potassium...
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How to control sclerotinia rot in rapeseed cultivation?
What are the harms of rapeseed sclerotinia rot? How to control rapeseed sclerotinia rot? Please give guidance. Harms of rapeseed sclerotinia rot: In the seedling stage of rapeseed, sclerotinia lesions mostly occur at the junction of the root and stem near the ground, forming reddish-brown spots, which later expand and turn pale white, with the tissue becoming wet and rotted, and white flocculent mycelium growing on the surface. After the lesions encircle the stem, ...
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How do you prevent and control rapeseed viral disease in rapeseed cultivation?
What harm does rapeseed viral disease cause? How do you prevent and control rapeseed viral disease? Please explain. Viral disease is one of the main diseases of rapeseed. Affected plants reduce yield by about 20%, and in severe cases by more than 70%. It is generally more susceptible in years with little rain or in areas where vegetables are often grown nearby. Methods for preventing and controlling rapeseed viral disease: ...
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What are the common pests during rapeseed cultivation?
What are the common pests of rapeseed? How are these pests controlled? Please advise: the common pests of rapeseed are mainly rapeseed aphids and imported cabbageworms. For control methods, refer to the following list: Rapeseed aphid control method: In lightly affected fields, physical control can be used, that is, evenly place 10 yellow sticky traps per mu of vegetable field to trap and kill aphids...
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Which herbicides make it impossible to plant rapeseed afterward?
After using which herbicides can rapeseed not be planted? How long must the interval be before rapeseed can be planted? Please explain. As reference, herbicides harmful to rapeseed include the following: after using Pursuit (imazethapyr, imazethapyr acid) the interval must be 40 months before planting rapeseed; after using chlorimuron-ethyl (chlorimuron, chlorimuron-ethyl)...
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