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What technical points should be noted when introducing tea plants?
Tea plant introduction is simple and easy to achieve results. Since the 1950s, the area planted with improved varieties has been expanded. For example, the Yunnan large-leaf variety was introduced to Guangdong, Guangxi, Sichuan, Guizhou and other provinces and autonomous regions, and the area has reached more than 1 million mu. Fujian, Zhejiang and other provinces used introduced and acclimatized Yunnan large-leaf varieties as original material to breed a group of excellent high-yield new varieties. New progress has been made in introducing tea from the south to the north. The northernmost boundary of tea plant distribution in China has shifted from about 34°40'N to near 37°49'N, advancing northward by more than 350 km. Tea varieties have also been introduced successively from the former Soviet Union, Ja
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What issues should be noted in the efficient cultivation of kernel apricots?
Kernel apricot is one of the main dried fruits in northern China, with excellent economic returns. In recent years, due to the development of almonds, the comparative benefit of kernel apricots has somewhat declined. To improve the production efficiency of kernel apricots, comprehensive measures should be adopted. 1) Develop in suitable sites. Kernel apricots are drought-tolerant, tolerant of poor soil, and widely adaptable, but for efficient production, orchards must be established in locations with deep soil layers, fertile soil, and sheltered, south-facing slopes. Because kernel apricots bloom early and are susceptible to late frost damage, avoid establishing orchards on mountain ridges, wind gaps, and low-lying areas. 2) Pay attention to configuring pollinizer trees.
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What should be noted when mixing chicken daily rations?
There are many kinds of chicken feed; which feed should be the main one? How can it be mixed scientifically and rationally while also being low in price? 1. First, you must understand what nutrients the chickens you raise need. Because the requirements of various chickens differ, such as light-layer chickens, heavy-layer chickens, or meat chickens, chicks, older chickens, or breeding chickens, the nutrients needed by various chickens are not completely the same in quantity and quality. Chicken farmers should consult the corresponding materials according to chicken breed and size to determine the required nutrients. 2. You need to know which type of feed produced locally is more abundant and lower in price
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What points should be noted when selecting a Cairn Terrier?
(1) First look at some materials introducing this breed of dog, to understand its appearance characteristics and basic traits, so as to have a clear target and avoid being cheated by inferior goods, causing financial loss. (2) Cairn Terriers are mostly purchased as pets, so special attention should be paid to the choice of coat color, with red, black-brown, gray or tawny being preferable. (3) The coat on all parts of the body should also meet the following requirements: the hair on the ears should preferably be dark brown, and the hair on the muzzle should preferably be
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What should be noted when processing dog skin
1. Remove all meat and greasy matter from the dog skin, lay it flat on a wooden board and rub it with coarse sandcloth or a brick until the roots of the coarse hairs are slightly visible. Take 250 g of tea-oil bran and add 2500 ml of water, bring to a boil and pour into a basin. After it cools, put in the dog skin and soak for 12 hours, then take it out and scrub it repeatedly with soap to remove the odor. 2. Take 500 g of alum and add 2500 ml of water, bring to a boil and pour into a basin. After it cools, fully immerse the dog skin, take it out after about 24 hours, place it hair-side down on a wooden board and stretch it tight,
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What should be noted when harvesting garlic scapes?
Generally, when the garlic scape emerges from the leaf sheath and begins to bend, it is the suitable time to harvest the garlic scape. Harvesting early or late has a great impact on the yield and quality of the garlic scape. If harvested too early, the yield is not high, it breaks easily, and its marketability is poor. If harvested too late, although the yield can be increased, it consumes too many nutrients and affects the growth and development of the garlic bulb, and the garlic scape tissue ages and its fiber increases; especially the base of the garlic scape ages and becomes inedible. Therefore, it is best to harvest garlic scapes at noon and in the afternoon on sunny days. At this time the plants are somewhat wilted, the leaf sheath and the garlic scape separate easily, and the leaves are tough and not easy to break, which can
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What should be noted when giving injections to a sick turtle?
For captive-bred turtles that fall ill, treatment methods such as oral medication, injections, applying medicine, or even medicated baths can be used. Among these, injecting the medicinal solution directly into the turtle's body works fastest and most effectively. However, turtles have a shell for protection and more bone than flesh, so the following points must be noted when injecting a turtle, otherwise it is easy to cause harm to the turtle. 1. Choose the correct injection site. The leg muscles of the turtle's front and hind limbs are relatively plump, so intramuscular injections are generally given there. When injecting, the needle should preferably enter at a 45° angle to the limb; too large an angle will damage the fascia or bone
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What should be noted when advancing the cotton sowing date?
Can the cotton sowing date really be advanced? Based on many years of cotton sowing practice, the lessons in this regard are very profound. It is true that using plastic film mulching for nutrient-pot seedling raising can also allow sowing in mid-to-late March and produce cotton seedlings in early April, and large-scale demonstrations have been carried out in production, but the result is that management is very difficult, and it is also hard to ensure full stands and strong seedlings. First, cold waves are frequent in early to mid-April, temperature fluctuations are large, north winds occur many times, and it is very difficult to judge when to uncover and cover the seedbed film; second, if continuous rainy weather occurs, it is difficult to ventilate the cotton seedlings on the seedbed, which very easily leads to spindly seedlings and causes cotton seedlings to lodge; third, low temperature and rain also easily induce diseases such as damping-off, anthracnose, and seedling blight, causing patches of dead seedlings in the seedbed; fourth, early sowing prolongs the seedling age of cotton seedlings, forcing them to be transplanted into the field too early. When early-transplanted cotton seedlings encounter cold waves, missing plants and broken rows often result from dead seedlings, generally 10%-20% missing plants, and in severe cases 30%-50% missing plants. In recent years, many new varieties have been introduced in cotton production, especially hybrid insect-resistant cotton, which is relatively expensive. If the area of missing plants is too large, it will not only cause economic losses, but also make it difficult to achieve one sowing, one transplanting, and one full stand of cotton. The planned cotton field area often cannot be realized, and it is even harder to ensure that excellent cotton seed is planted to achieve a high and bumper harvest.
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What issues should be noted when harvesting sweet potatoes?
Sweet potato is a vegetatively propagated vegetative body, with no obvious maturity standard or harvest period, but harvesting too early or too late affects the yield, seed retention, storage, processing and utilization, and crop rotation of sweet potatoes. Harvesting too early will significantly reduce the yield of sweet potatoes; harvesting too late, sweet potatoes are often affected by low-temperature chilling injury, are not resistant to storage, and the drying rate declines. Therefore, sweet potatoes must be harvested at the right time. The suitable harvest period for sweet potatoes should be determined according to climatic conditions, safe storage time, and the arrangement of the following crop. When the ground temperature is around 18°C, the weight increase of sweet potatoes is very small; when the ground temperature is
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What nutritional points should be noted when raising piglets in spring and summer?
From March to June, temperatures gradually rise, which is exactly a favorable period for developing pig production. Four issues should be noted in feeding. First, pay attention to temperature changes. In spring and summer, temperatures vary greatly, there is more rain, and humidity is relatively high. Pigs prefer a dry environment, have little fat tissue, and piglets are prone to feeling cold. Therefore, the temperature inside the shed and the dry environment of the pen should be maintained. Second, pay attention to increasing protein feed. Especially for piglets that have undergone long-distance transport, because they are stimulated by wind, cold, and the bumps of vehicles and boats, some piglets
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