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Eight Key Points of Winter Management for Sichuan Pepper Trees Explained in Detail
The first is "pruning", which means shaping and pruning. Winter is a great season for pruning Sichuan pepper trees. When pruning, the "seven branches" must be removed, namely: water sprouts, dead branches, diseased and pest-infested branches, overly dense branches, crossing branches, overlapping branches, and weak slender branches. Then the removed branches should be gathered and burned, which can eliminate pests and pathogens overwintering on the branches and trunk. The second is "scraping", which means scraping off the rough bark. Many insect eggs overwinter in the cracks of the rough bark of pepper trees, and mulberry white scale insects parasitize the trunk. The scraped rough bark and gummosis spots should be gathered and burned, then apply Liujiaowei and Suolibaer pesticides, and
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Key Technical Points for Planting Sichuan Pepper in Late Autumn and Early Winter
Compared with spring sowing, autumn sowing for raising Sichuan pepper seedlings gives better results. With autumn sowing of Sichuan pepper, there is no need for germination forcing; the seeds germinate naturally, and seedlings generally emerge completely from late March to early April of the following year, emerging 10-15 days earlier than with spring sowing. In this way, the seedling root system forms early, disease resistance and stress resistance are strong, and the rapid growth period arrives earlier. Land preparation and bed making. Choose a sandy loam plot that is sheltered from the wind and faces the sun, with deep and fertile soil and good drainage, as the seedbed. Apply 2000-3000 kg of barnyard manure per mu, and plow deeply and harrow finely. After land preparation, make beds 1 m wide
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What causes oxygen depletion in pond fish in winter?
This is because when the air temperature drops, in deep-water ponds, fertile-water ponds and high-density cage aquaculture waters, the water temperature at the surface is lower than that of the lower layer, and the specific gravity of the water is greater than that of the lower layer. Thus the cold surface water sinks and the warm lower-layer water rises, forming vertical convection of the water body. The water in the deep layer is low in oxygen or even anoxic, and the low-oxygen and anoxic water rises, causing severe oxygen depletion in the upper water body. On the other hand, this vertical movement of the water body accelerates the oxidative decomposition of organic matter such as leftover feed and feces deposited at the bottom of the pond, increasing the oxygen consumption within the water body. On yet another hand, in winter there is
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Clever Treatment Methods and Key Technical Points for Winter Dysentery in Pigs
Winter dysentery in pigs is caused by a viral infection and is characterized by gray, muddy feces, vomiting and dehydration. Prevention and control measures: (1) There is currently no ideal vaccine for this disease; (2) After the disease occurs, attention should be paid to replenishing fluids; (3) Keep the pigsty dry and hygienic, remove feces promptly, and disinfect regularly.
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Which parts of fruit trees are prone to frostbite in winter
Locations where fruit trees are prone to frostbite in winter
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How can you distinguish spring tea, summer tea, autumn tea and winter tea after brewing?
Spring tea: when brewed, the tea leaves sink relatively quickly, the aroma is strong and lasting, the taste is mellow, the liquor is clear and bright, the brewed leaves are soft and thick, there are many normal buds and leaves, and the leaf veins are fine and dense with inconspicuous serrations on the leaf margin. Summer tea: when brewed, the tea leaves sink relatively slowly, the aroma is not high enough, the taste is somewhat bitter and astringent, the brewed leaves are thin and rather hard, there are relatively many opposite leaves (with inconspicuous terminal buds), the leaf veins are coarser, and the serrations on the leaf margin are obvious. Autumn tea: the aroma is not high, the taste is light and slightly astringent, there are many opposite leaves, the serrations on the leaf margin are obvious, and the leaf blades vary in size. Winter tea: the aroma tends toward a light fragrance type, and the taste is smooth and softer than spring tea
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How can you tell spring tea, summer tea, autumn tea and winter tea apart?
Spring tea: Because spring temperatures are moderate and rainfall is plentiful, and because the tea plant has rested and recovered through autumn and winter, spring tea's buds and leaves are plump, its color is emerald green, the leaf texture is soft, the taste is fresh and brisk, and the aroma is intense. In our country's historical documents through the ages, there are records that "spring tea is prized." Summer tea: Because the weather is hot, the tea plant's buds and leaves grow rapidly, and the extractable substances that dissolve into the tea liquor are relatively reduced, so the taste of the tea liquor is not as fresh and brisk as spring tea, the aroma is not as rich as spring tea, and the taste is rather bitter and astringent. However, summer tea contains higher levels of tea catechins and caffeine, making it suitable
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Detailed Explanation of Key Techniques for Raw-Material Cultivation of Winter Mushroom
Winter mushroom, also known as enoki mushroom, is a type of fungus that can grow in the harsh winter season. The fruiting bodies of the winter mushroom are small and attractive, and rich in nutrients. The winter mushroom is a premium edible fungus, but its spawn production and cultivation are not complicated. At present, cooked-material cultivation is mostly adopted in China. To save energy and reduce and simplify the procedures of high-pressure or low-pressure steaming of the substrate, relevant experts have achieved complete success through long-term cultivation experiments with raw materials. The new method for raw-material cultivation of winter mushroom is briefly introduced below. I. Cultivation and Sowing Time. The winter mushroom is a low-temperature fungus, and the fruiting temperature is mostly between 5 and 15 degrees C,
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Key Points of Winter Feeding and Management Techniques for Fur Foxes
Fur foxes, also called commercial foxes, refer to young foxes not kept for breeding and adult foxes culled from the breeding stock; all of these foxes are slaughtered and skinned when their fur reaches maturity. To obtain high-quality fur, daily food formulation and management must be arranged sensibly. First, the protein requirement must be fully met, and in particular the feed should include proteins rich in sulfur-containing amino acids (methionine, cystine), such as fish meal, silkworm pupae, and sterile maggots. For plant-based protein, sesame cake and sunflower cake are preferable. If protein nutrition is insufficient, the fox's fur will show a sparse underwool "empty nest"
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Preventing and controlling winter pepper diseases starts at the seedling stage
Pepper is one of the major winter vegetables in Guangdong. In recent years, seedling death in peppers grown in winter or early spring in protected and open-field cultivation has become increasingly serious, severely affecting the economic returns of farmers growing peppers. Investigations have found that pepper seedling death is generally caused by Fusarium wilt, Phytophthora blight, sclerotinia rot, bacterial wilt and other diseases. According to many years of investigation and research, in addition to factors such as continuous cropping and climate, pepper seedling death is also closely related to seedlings already carrying pathogens before transplanting to the field. If seedlings carry pathogens, the disease is more severe; if they do not carry pathogens, the disease is milder even under continuous cropping
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