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What are the precautions for introducing edible fungi? These key points need to be understood in advance
Edible fungi, like other crops, rely especially on pure, high-quality spawn, because the quality of the spawn directly affects the level of yield and the success or failure of cultivation. With good-quality spawn and reasonable cultivation management, it is easy to obtain high and stable yields; with poor-quality spawn, it is difficult to obtain high yields, or even total crop failure. There is a saying in edible fungus production: whether you harvest at all depends on the spawn, how much you harvest depends on management. For this reason, high-quality edible fungus spawn is the prerequisite for mushroom growers to achieve high returns in edible fungus cultivation. Edible fungus spawn is divided into first-level spawn (also called mother spawn
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How to prevent and control rose downy mildew? These methods you need to master
Downy mildew is a fungal infectious disease. Rose downy mildew develops quickly and is extremely harmful, making it a devastating disease. It mainly affects new shoots and leaves in the middle and lower parts of the plant. In the early stage, chlorotic spots appear on the underside of the lower leaves, and the spots are irregular and covered with a frost-like mold layer. Later they turn dark purple, resembling water-soaked areas, until they become brown. The spots are polygonal and gradually become scorch-like. When the damage is severe, all the leaves drop and the plant dies. Control measures 1. Plant at a reasonable density, no more than 12 plants per square meter, and
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How to control the jujube leopard moth? These methods you need to master
(1) Manual pruning of infested branches: during early spring pruning, cut off the damaged branches to eliminate the overwintering stages of the pest, and destroy them in a centralized manner. (2) Use black light traps to kill the adults during their emergence period from June to July. (3) Protect and make good use of natural enemy resources, such as braconid wasps, ants and birds. (4) Chemical control: inject 80% dichlorvos 200-fold solution into the entry holes, and seal the openings with mud.
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What to do about fruit drop in jujube trees in summer? Growers need to prevent it in advance
Regulate the distribution of nutrients so that they flow more concentratedly to the jujube fruits. Measures: 1. Bend branches to open the angle. For relatively upright branches, change their direction by propping, pulling and other methods to disperse apical dominance; doing so can enhance ventilation and light penetration in the tree canopy, so that branches can also set fruit evenly in summer. 2. Remove sprouts and pinch the growing tips. For newly sprouted jujube shoots, when there is no room for development, remove them from the base or cut back to the rosette, keeping only 2-3 jujube fruiting spurs at the base. This can effectively reduce nutrient consumption, so that nutrients accumulate
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Cotton red leaf blight is prone to outbreak after heavy rain, growers need to be vigilant
Recently, cotton regions have generally experienced heavy to torrential rain, and for cotton that has endured a long drought, red leaf blight is extremely prone to outbreak. Cotton red leaf blight is a physiological disease. It starts from the main stem growing point or the top of the fruiting branch, and generally develops from top to bottom and from outside to inside. The main stem withers and dies, but the dissected vascular bundles show no discoloration. The root system is thick and short, with few fibrous roots and poor development. The causes of cotton red leaf blight outbreaks are: first, extensive farming in cotton fields, resulting in poor cotton root development; second, cotton fields with poor drainage; third, excessive application of nitrogen fertilizer, vigorous cotton growth,
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What conditions do edible fungi need for growth and development?
Understanding the nutritional and environmental requirements for the growth and development of edible fungi, creating suitable environmental conditions during cultivation, and cultivating mushrooms scientifically are the only ways to achieve high yields and increase profits. 1. Nutrients needed for the growth of edible fungi Carbon, nitrogen, mineral elements and auxins are the nutrients essential for the growth of edible fungi; wood, sawdust and the like are rich in cellulose, hemicellulose and lignin, and are the carbon nutrition needed by edible fungi; wheat bran, rice bran, soybean cake meal, cornmeal, urea and the like contain abundant nitrogen and are the nitrogen nutrition needed by edible
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Symptom Identification and Control Methods of Red Pine Needle Cast
Red pine needle cast is a common disease worldwide. The disease can infect trees from young saplings to large trees, causing premature needle drop, affecting growth, and can lead to the decline and death of diseased plants. Symptoms: The disease usually affects 2-year-old needles, and some 1-year-old needles can also be affected. In the early stage of the disease, very small yellow spots or segmental spots appear on infected needles, and by late autumn the entire needle turns yellow and falls off. In the spring of the following year, larger, black or gray, long oval or oval raised granular dots appear on infected needles, with a paint-like luster and a longitudinal crack in the center, which are the ascocarps of the pathogen. Some diseased needles
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How to prevent single-clove garlic? Garlic farmers need to master these management methods
1. For autumn-planted garlic, plow and turn the land immediately after the previous crop is harvested, with a plowing depth of more than 28 cm, plow finely and harrow thoroughly, level the land and make beds. The bed width should preferably be 1.5-2 m, and the bed length generally should not exceed 30 m. For convenience of watering, 20-25 m is preferable. Garlic is a shallow-rooted crop, with shallow roots and weak fertilizer uptake capacity, and it has relatively high requirements for the quality of base fertilizer. Choose a complete-effect, high-quality organic fertilizer and apply it fully in one application. For night soil, do not use raw manure; before application it must be fully decomposed, crushed and mixed evenly, to prevent fermentation in the field, which can cause garlic maggot damage and affect seedling growth and development.
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Fox and raccoon dog mange mite disease is prone to occur in autumn and winter, and farmers need to prevent and treat it early
In the current season, the breeding of fur animals is entering the fur growth period. In addition to meeting the various nutrients required for fur growth, special attention should be paid to the occurrence of external parasitic diseases. Zhaoyuan Farm has 100,000 foxes and raccoon dogs on hand and has rich experience in the prevention and treatment of mange mite disease. The precautions are introduced as follows: Pay attention to observation. Skin diseases such as mange mite disease cause great harm to fur animal breeding. It should attract sufficient attention from the majority of breeding farms and farmers, especially in the current winter fur growth season. Inspection and prevention and treatment of mange is a task that farmers cannot ignore before pelting.
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New manifestations of swine epidemics emerge, farmers need to be vigilant
With the development of China's pig farming industry, the gradual increase of foreign pig breeds and the continuous improvement of production intensification have brought new changes to the epidemic situation of swine diseases, which should attract our sufficient attention. 1. With the influx of many foreign pig breeds, new diseases have also followed one after another. In 2001, porcine eperythrozoonosis became pandemic; in 2002, porcine reproductive and respiratory syndrome (blue ear disease) spread widely; in the second half of 2002, circovirus type Z broke out. 2. The seasonality of disease epidemics is gradually fading
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