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How to control common pests and diseases of citrus?
For the citrus flower bud maggot, control can begin when the flower buds show white (about the size of a mung bean). The method is to spray the ground with 120-150 g of 90% trichlorfon crystals per mu mixed with 20 kg of water; or use 150 g of 1605 capsule formulation or 2.5-3 kg of 3% carbofuran per mu, add 25 kg of fine soil, mix well and spread on the tree
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How to Propagate Figs: A Detailed Guide to Common Propagation Methods
Cuttings, layering, sowing and other methods can all be used for propagation, but in production practice asexual propagation is commonly used; sexual propagation is only used in breeding work. (1) Cutting propagation: Fig branches readily produce adventitious roots, so cuttings are mostly used for propagation in production. Mid-February to late March
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How to prune cherry trees? Common methods for courtyard planting
1. Heading back. Cutting off part of a 1-year-old branch is called heading back. According to the degree of heading back, it can be divided into light heading, moderate heading, heavy heading and very heavy heading. (1) Light heading. That is, cutting off less than 1/3 of the total length of the branch. On young trees, light heading is used more often, which can ease the growth vigor and help bear fruit earlier.
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What are the common problems when transplanting muskmelons?
(1) Preparation of the planting site. After the previous crop is harvested, plowing should be done immediately. Because muskmelons require a loose and deep tilth layer, the plowing depth should be 25-30 cm, and should not be shallower than 20 cm. Deep plowing can thicken the loose soil layer, increase soil pores, activate the soil, and
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Detailed Explanation of Key Techniques for Greenhouse Cultivation of American Blackberry
American blackberry, commonly known as black strawberry, is a perennial vine fresh-eating fruit of the genus Rubus in the Rosaceae family. Native to North America, it is a third-generation emerging fruit. 1. Greenhouse structure: The greenhouse faces south, with its length running east-west. The north wall and gable walls are built with adobe bricks, with a wall thickness of 0-8m. The frame uses concrete pillars as uprights and bamboo poles as support frames. The greenhouse is 60m long, 10m wide, and 3m high at the roof. The film used for the greenhouse is anti-drip film.
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What are the common methods for removing astringency from persimmons?
For traditionally cultivated persimmons, most cannot complete natural astringency removal on the tree, and must undergo artificial astringency removal treatment after harvest before they can be eaten or processed into dried persimmons. These persimmons that can only be eaten or processed after artificial astringency removal are called astringent persimmons. There is also another type of persimmon that must have
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Control Methods for Termites in Pineapple Cultivation
Termites are also called insect officers, commonly known as white ants, large water ants, rising-water ants and shed insects, etc. They are insects of the class Insecta, order Isoptera. It is one of the five major pests worldwide. Symptoms: Termites damage roots, stems and leaves, often living in groups on them, and can induce pineapple wilt and sooty mold,
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Common Pest and Disease Control Methods for Rose Cultivation
Common rose diseases include rust, black mold, and powdery mildew. Rust often affects rose leaves, young branches, and flowers. In the early stage of the disease, rust-red spots appear on the leaves; in severe cases, the leaves wither and drop, affecting flowering the following year. Control method: diseased leaves should be promptly removed
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Common problems after sowing wheat and how to solve them
◇What to do if the wheat variety is chosen improperly? Sowing spring-type and weakly winter-type varieties on medium and early stubble fields will cause the wheat seedlings to grow excessively before winter, which is not conducive to safe overwintering. Countermeasures: On the basis of early hoeing and pressing, earth up around the roots before winter, or apply "mengtou manure" to protect the wheat seedlings for safe overwintering.
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Common Faults of No-Till Wheat Seeders and How to Fix Them
1. The overall seed metering device does not discharge seed. Causes: the seed box is empty, the transmission mechanism is not working, the drive wheel is slipping and not turning. Fill the seed box, inspect and adjust the transmission mechanism, and eliminate the cause of drive wheel slipping. 2. An individual seed metering unit does not discharge seed. Causes: the seed metering wheel clamp or key pin is loose and turning, the seed delivery tube or the seed drop opening is blocked. Re-tighten the seed metering wheel and clear the blockage in the seed delivery tube or seed drop opening.
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