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What are the precautions for using water-soluble flush fertilizer on greenhouse vegetables?
What should be noted when using flush fertilizer for greenhouse vegetable cultivation? Seeking answers. As a new type of topdressing, flush fertilizer is welcomed by the majority of farmers because of its features such as easy application, easy absorption and fast fertilizer effect. Especially in greenhouses with protected cultivation, it has been applied over a large area and achieved good economic benefits. Greenhouse veget...
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Why does spraying herbicides cause phytotoxicity?
Which types of herbicides should not be used on lawns? Seeking advice: try not to use the following lawn herbicides: 1. Herbicides with a long residual life, including imidazolinone herbicides such as imazethapyr, sulfonylurea herbicides such as metsulfuron-methyl, tribenuron-methyl, tribenuron-methyl, etc., and heterocyclic herbicides such as clomazone, etc. These types of herbicides have a relatively long residual life in the soil, and once used...
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What are the common insecticides used on bananas? A reference for growers on pesticide use
What insecticides are commonly used on bananas? Here is an introduction so you can stock up. The insecticides commonly used on bananas include the following varieties (additions welcome): (1) High-efficiency Dagongchen 5% High-efficiency Dagongchen wettable powder is a new type of highly effective, low-toxicity, strongly systemic insecticide, with a significant control effect on piercing-sucking mouthpart pests such as aphids and thrips...
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Which pesticides and insecticides can be used on pollution-free vegetables
Biopesticides: BT, whose Chinese name is Bacillus thuringiensis, is a bacterial insecticide. This variety has been fully used in the main vegetable-growing areas of our country and has achieved relatively good economic benefits. However, there are currently many BT manufacturers, and quality varies, so a high-quality variety must be selected when using it. Precautions: BT works...
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Insect growth regulators can be used for diamondback moth control
The appearance of the diamondback moth seriously affects the growth of crops, so pesticides such as insect growth regulators are chosen to completely eliminate it. First, 10.8% pyriproxyfen emulsifiable concentrate can be sprayed as an 800-1500 times dilution; second, 5% chlorfluazuron emulsifiable concentrate 30-60 ml mixed with 30 jin of water can be sprayed; third, 5% emamectin benzoate water-dispersible granules 5 g mixed with 30 jin of water can be spr...
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Can sugarcane herbicides and insecticides be mixed and used together?
First: The weed-control spectrum of the two herbicides should differ. Second: A fast-acting agent should be mixed with a slow-acting agent, and a long-lasting agent should be mixed with a short-lasting agent. Third: An agent with high diffusibility and mobility in the soil should be mixed with an agent with low diffusibility and mobility. Fourth: ...
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Clever fertilizing starts with mastering the principles of fertilizer use
What types of fertilizer are commonly used in apple orchards? Base fertilizer in apple orchards is mostly organic fertilizer, combined with an appropriate amount of nitrogen, phosphorus, and potassium chemical fertilizers and trace element fertilizers; topdressing mainly uses chemical fertilizers; when correcting nutrient deficiency symptoms, trace element fertilizers need to be added on top of normal fertilization. (1) Organic fertilizers: barnyard manure, compost, chicken manure, human excrement...
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Potted figs bearing few fruits? Use a little trick and the fruits will be densely packed, big and sweet
Fig fruits taste sweet and delicious, and are rich in amino acids the human body needs, vitamin C and so on; they are even said to have anti-cancer effects. It is a deciduous shrub and can grow up to more than ten meters tall. Figs do have flowers, and they are also one of the fruits suitable for growing on a balcony...
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The key to cultivating spice crops lies in the skillful use of herbicides
What are herbicides? How many categories are there? Chemical pesticides used to control various weeds in fields are called herbicides. Herbicides can be classified by mode of action, translocation within the plant, method of use, and chemical structure system. (1) Classification by chemical structure system: they can be divided into inorganic herbicides, mineral oil herbicides, ...
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How can BT insecticide be used for the best results?
BT insecticide, namely Bacillus thuringiensis microbial insecticide, contains parasporal crystals and spore toxins that kill pests. It has good pest-killing effects, is safe for humans and livestock, causes no harm to natural enemies, and is relatively difficult for pests to develop resistance to, so it has been widely used to control crop pests. However, in practical application, because the methods are not mastered, ...
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