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What types of snakes are there? Learn about their medicinal and economic value in one article
Snake Farming Techniques Snakes belong to the animal kingdom, phylum Chordata, subphylum Vertebrata, class Reptilia, order Squamata, suborder Serpentes. The distribution of snakes is greatest in tropical and subtropical regions, followed by temperate zones, and least in cold zones. There are more than 2,500 species of snakes in the world, of which about 650 are venomous. China has more than 200 species of snakes, of which about 51 are venomous, mainly distributed in the southern and southwestern provinces, especially in Guangdong, Guangxi, Hainan and other provinces and autonomous regions. Medicinal and Economic Value The medicinal use of snakes is not limited to snake venom, snake meat, snake gall and snake slough
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What varieties and types of Asarum are there? A detailed guide in one article
Commercial Asarum is mostly divided into two types: Liaoxixin (northeastern Asarum) and Huaxixin (Chinese Asarum). Liaoxixin refers to Asarum heterotropoides var. mandshuricum and Asarum sieboldii var. seoulense produced in Northeast China. The two are similar in characteristics, but there are distinctions between wild and cultivated products. Wild Liaoxixin is usually gathered in small bundles of a dozen or so plants, often rolled into clumps. The rhizome is irregularly cylindrical, 1-10 cm long, with short branches, grayish-brown on the surface, rough with ring-shaped nodes, and the internode spacing is about 2-3 mm. The branch tips have bowl-shaped stem scars. The roots are slender, densely growing on the nodes, about 1 mm in diameter and 10-20 cm long, grayish-yellow on the surface, smooth or with fine longitudinal
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What varieties and types of Angelica sinensis are there? This article explains in detail
The whole Angelica sinensis root is roughly cylindrical. The upper end of the root is called the "gui tou" (head), the main root is called the "gui shen" (body) or "cun shen," the branch roots are called the "gui wei" (tail) or "gui tui" (leg), and the whole is called "quan gui" (whole root). The whole root is 15-25 cm long, with a fine, dense outer skin, yellow-brown to dark brown, with longitudinal wrinkles and transversely elongated lenticels; the upper end of the root is swollen, 1.5-4 cm in diameter, bluntly rounded, with residual leaf sheaths and stem bases; the main root is thick and short, l-3 cm long, l.5-3 cm in diameter, with 3-5 or more branch roots below, thick at the top and thin at the bottom, mostly twisted, with a few fibrous root scars. The texture is flexible and tough, and the cut surface is yellow-white
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What varieties of cherry blossoms are there? An introduction to common types and their characteristics
1. Mountain cherry is a variety of cherry blossom. A wild species, with small flowers, white or tinged with pink, single-petaled flowers. 2. Double red cherry is a cultivated variety of cherry blossom. Double-petaled flowers, pink. 3. Weeping cherry is a cultivated variety of cherry blossom. Branches droop, flowers pink. 4. Japanese dawn cherry is a variety of cherry blossom with drooping branches and new leaves of a bronze color. Double-petaled flowers, large blooms, pink, fragrant. The flowering period is relatively late. 5. Magnificent cherry is a cultivated variety of cherry blossom. Double-petaled flowers, large blooms, light red, with relatively long
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Detailed Explanation of Rice Paddy Soil Types and Nutrient Status in Sanming City
Our city has relatively abundant land resources, with a total land area of 34.44 million mu, of which cultivated land area is 2,563,100 mu, accounting for 7.4% of the total land area (of which paddy field area is 2,441,900 mu, accounting for 7.1% of the total land area, and agricultural land is 121,200 mu, accounting for 0.3% of the total land area). Due to differences in distribution terrain, paddy soils can be divided into four types: plain fields, sloping terraced fields, mountain valley fields, and streamside fields, with a ratio of 4.6:5:6.2:1 among them. Plain fields are dominated by hydromorphic
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What varieties and types of Panax notoginseng are there? A detailed introduction to common varieties
Panax notoginseng: slightly spindle-shaped or subconical, 1-6 cm long, l-4 cm in diameter. The surface is grayish yellow (commonly known as "iron skin") or grayish brown (commonly known as "copper skin"), with intermittent longitudinal wrinkles and a few lenticels, a stem scar at the apex, and nodular protrusions around it (commonly known as "lion's head"). There are broken rootlet scars on the sides. The texture is firm, and after being crushed, the bark and wood often separate. The cross-section is grayish green, yellow-green, or grayish white (commonly known as "iron bone"), and the bark has small brown resin canal spots. The odor is slight, and the taste is bitter followed by slightly sweet. Spring
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What Types of Physiological Deformities Occur in Mushrooms? A Full Analysis of Common Types
Mushroom deformities are mostly triggered by temperature differences or unfavorable environmental conditions; they may also be related to the strain used. The common deformed mushrooms mainly include the following types: 1. Hollow stipe. From the outside the mushroom looks normal, but when the base is cut off, part of the stipe is found to be hollow, usually with a ring-shaped cavity around a hard core. Afterwards, the cut surface of the stipe may split and curl backward, making the mushroom poor in appearance and reducing its marketability. Cause: This is mainly caused by low air humidity during the fruiting period, rapid evaporation of water from the mushroom body, and overly dry casing soil,
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What types of silkworm diseases are there? A full analysis of common types
Silkworm diseases can be divided into two categories: one is infectious diseases, and the other is non-infectious diseases. Any disease caused by pathogenic microorganisms such as viruses, bacteria, and fungi invading the silkworm body and then multiplying is an infectious disease. It can be transmitted from diseased silkworms to healthy silkworms and is an important factor affecting sericulture production. Any disease of silkworms caused by attacks by arthropods (fly maggots, lice mites), pesticide poisoning, and mechanical trauma is called a non-infectious disease. It cannot cause healthy silkworms to become ill through silkworms as a medium, and it is also an important factor affecting sericulture production.
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Common Treatment Methods for Several Types of Fever in Pigs
In traditional Chinese veterinary medicine, the understanding of fever is relatively broad: sometimes a body temperature higher than normal is considered fever, and sometimes even when the body temperature is not elevated, as long as heat signs appear, it is also classified as a heat syndrome. Because there are many causes of fever and the syndrome types are relatively complex, in clinical practice fever must be treated based on syndrome differentiation, grasping its essence. In many years of teaching and clinical work in traditional Chinese veterinary medicine, the author has used traditional Chinese veterinary medicine for treatment and achieved relatively satisfactory results. It is briefly introduced as follows for the reference of peers. 1. Excess heat in the qi aspect. One white pig from Group 3, Yihe Village, Jingzhou District.
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Several Types of Potato Seeding and Planting Machinery
1. 2BMF-2 potato planter. This machine is matched with an 8.8 kW-12 kW (12 hp-16 hp) small four-wheel tractor and can complete multiple operations in one pass, including furrowing, fertilizing, seeding and soil covering. It features labor saving, effort saving and convenient adjustment and use. Main technical parameters: seed breakage rate <=1%, double-seed rate <=8%, empty-hole rate <=2%, productivity 4 mu/hour. 2. 2BXSM-1B potato fertilizing and seeding machine. This machine is an ideal potato planter for dryland flat-cultivation areas.
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