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What Types of Pesticide Insecticides Are There? A Detailed Guide to Selection Precautions
1.1 Classification by composition and source: Inorganic insecticides, such as lead arsenate, calcium arsenate, arsenites, sodium fluoride, sodium fluorosilicate, sulfur, zinc phosphide, etc. Organic insecticides. Natural organic insecticides can be divided into botanical insecticides (such as derris, pyrethrum, tobacco, pine resin, santonin, toosendanin, etc.) and mineral-derived insecticides...
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Foliar fertilizers are effective, and scientific selection is key
After the pegging stage of autumn peanuts, drought weather and large day-night temperature differences affect pod development, causing pods to be not plump. If foliar topdressing is carried out multiple times after the pegging stage of autumn peanuts to supplement nutrients through the leaves and raise the nutritional level of the autumn peanut plants, the ability of the autumn peanut plants to resist drought and adapt to large day-night temperature differences can be enhanced, making the pods...
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Whether an orchid has strong growth vigor is an important criterion for selection and aesthetic appreciation
Promote Chinese orchid culture, spread orchid knowledge. Fellow orchid growers all know that the selection and aesthetic appreciation of orchids involves conditions and requirements in various aspects, such as petal shape, color, and so on. But the question of growth vigor seems to be discussed rather little in the various orchid literature; in fact, ...
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How to choose compound fertilizer correctly? You need to master the selection methods
How to choose compound fertilizer correctly? Please explain the methods. Compound fertilizer increases income and efficiency compared with single-element chemical fertilizers, and this is already widely recognized by farmers. But how to choose high-quality compound fertilizer to achieve the goal of low-consumption and high-efficiency fertilization is still difficult for most farmers to grasp, and in addition, the compound fertilizer types on the market are numerous and complex, with novel names and fancy packaging, which further increases the difficulty of identification.
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Dairy Farm Construction and Sanitation Management: Site Selection Should Be Away from Public Places
Construction and Sanitation Management of Dairy Farms Away from Public Places
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Which herbicides can be used in a jujube orchard? Variety selection and key points for use
Which herbicides can be used in a jujube orchard? What should be noted when spraying herbicides? Weed control in a jujube orchard is an important part of management work. Weeds are intermediate hosts of pests and diseases, and they also compete with jujube trees for fertilizer and water, affecting the growth of jujube trees. The herbicides commonly used in production at present mainly include the following: (1) Diuron: it is a 25% wettable powder, is a...
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What fertilizers are mainly used for summer topdressing? A full analysis of type selection
What fertilizers are mainly used for summer topdressing? Please explain that in summer, field crops are mainly topdressed with nitrogen fertilizer, while cash crops such as vegetables, tobacco, grapes, and cotton need potassium fertilizer in addition to nitrogen fertilizer. For example, for spring corn, use a one-time application of urea as the base fertilizer as a reference. Apply the other half of the urea as topdressing at the end of July and...
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How to reduce farming risks in grass carp holding? Do a good job in one selection and two managements
To reduce farming risks, do a good job in the one selection and two managements for holding grass carp
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Five measures to note in dairy cattle farming: do a good job in breed selection, feeding and hygiene
Careful breed selection, careful feeding, attention to hygiene: five measures to note in dairy cattle farming
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Five points to note in winter fattening of goslings: breed selection, temperature, humidity, first feeding, and disease prevention
Breed selection, temperature, humidity, first feeding, and disease prevention: five points to note in winter fattening of goslings
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