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How to prevent frost damage in rapeseed? Applying to the soil and spraying on the leaves works well
Rapeseed is a winter crop. If the variety is chosen improperly, sowing or transplanting is too late, or fertilization is improper, frost damage is likely to occur. To prevent frost damage in rapeseed, in addition to selecting cold-resistant and hardy varieties, sowing at the right time, and raising strong seedlings for transplanting, the following technical measures should also be emphasized: increasing the application of phosphorus and potassium fertilizers. Phosphorus can promote the development of the rapeseed root system and enhance the...
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What is the difference between tomato flower dotting and flower spraying?
What is the difference between tomato flower dotting and flower spraying? Please explain. Although tomato flower dotting and flower spraying are different methods, they achieve the same result by different means. Relatively speaking, tomato flower spraying saves more time than flower dotting, mainly reflected in two differences. First is the number of sprayings. Flower dotting is generally done once during flower bud differentiation...
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What pesticide should be sprayed before the Crisp Pear blooms? Spraying scheme analysis
What pesticide should be sprayed before the Crisp Pear blooms? Please explain in detail: spray 5 degrees Baume lime sulfur once before spring bud break to eliminate overwintering pests and diseases. For trees infected with rot disease and black shank disease, scrape off the diseased spots and apply 843 Recovery Agent undiluted. For leaf pests such as pear aphids, pear psyllids, and aphid-eating weevils, from bud break to after petal fall, spray 20% fenvalerate 1000 times dilution, or 5% beta-cypermethrin 1000 times dilution plus 3000-4000 times dilution of 10% imidacloprid.
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Once the weather gets hot, little bugs come out to activity; spraying these liquids can effectively prevent and control them
Growing flowers inevitably brings some pests and diseases, and when the weather is hot the bugs are even more rampant, so hurry and wipe out all the pests and diseases now while you can, otherwise once the weather turns cold the bugs will hide away and frantically lay eggs, and next year you will regret it! Mealybug damage: mealybugs are very stubborn, you...
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How can pesticide spraying save costs and reduce pollution?
Pesticide spraying methods that save costs and reduce pollution
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Succulent plants suffer from many pests, and spraying at this time can effectively control them
Succulent leaves can indeed absorb water, fertilizer, pesticides and the like, but when is it most effective? Think about the characteristics of CAM (Crassulacean acid metabolism): during the day (high temperatures) the stomata are closed, so it can only be most effective when the stomata are open, that is...
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Orchid leaves turning dry, brown and scorched in summer, and spraying to cool them down does not work? Water them with this active water
Orchids have a simple, quiet, elegant and noble character, and are deeply loved by many flower enthusiasts. In the summer months of July and August, with sustained high temperatures, many places are like a blazing furnace, and many orchid growers complain that their orchids have recently developed severe dry, scorched tips...
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Guard against pesticide poisoning when spraying pesticides
Guard against pesticide poisoning when spraying pesticides
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Can spraying water during the jujube tree's flowering period increase the fruit set rate?
The relationship between spraying water during the jujube tree's flowering period and a high fruit set rate
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To control Fusarium wilt, the method of root drenching combined with foliar spraying can be used.
Root drenching combined with foliar spraying can prevent and control Fusarium wilt.
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