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A Detailed Explanation of the Effects of Low-Temperature Cold Damage on Rice and Defensive Measures
Rice cold damage refers to the disaster in which rice is affected by low temperatures below the minimum critical temperature for growth, resulting in the inability of rice to grow and develop normally and thus causing reduced yields. Depending on the period of damage, it can be divided into delayed-type cold damage, sterility-type cold damage, and mixed-type cold damage. I. Types and Characteristics of Rice Cold Damage 1. Delayed-type cold damage: During the vegetative growth period of rice, and sometimes also during the reproductive growth period, the plant is harmed by relatively low temperatures over a longer period, which weakens the physiological activity of the rice plant, delays its development, postpones heading and flowering, and prevents full grain filling and
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What are the effects and benefits of intercropping Corydalis yanhusuo with garlic
Garlic is a perennial herbaceous plant in the Liliaceae family, and is a familiar vegetable and medicinal material. Garlic contains volatile oils with a pungent taste and odor that have a strong antibacterial effect against many plant pathogenic fungi and bacteria. The pesticide "antibacterial agent 402", modeled on the synthesis of allicin, primarily has a protective effect on plants, and also has a certain therapeutic effect and systemic activity. It strongly inhibits spore germination and mycelial growth of many plant pathogens, and can effectively control downy mildew, as well as black spot, anthracnose, damping-off, red rot, and Fusarium wilt
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What effects does waterlogging damage have on the growth and development of tea plants?
Tea plants require moist air conditions, but they are not tolerant of excessively wet soil. When there is too much soil moisture or even standing water on the ground, the respiration of the root system is impeded, and its ability to absorb water and nutrients is reduced, seriously affecting the growth of buds and leaves and lowering the yield and quality of fresh leaves. In severe cases, the roots suffocate, anaerobic microorganisms become active, and organic acids are produced that poison the tea plant roots, causing peeling, necrosis and rot. The manifestations of tea plants suffering from waterlogging damage are: few absorbing roots, short and small lateral roots, a shallow root layer, and some lateral roots extending horizontally rather than downward, or even growing upward. Severely affected
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Tea plants are prone to banjhi (dormant buds) after autumn, so effective prevention and control are very important
Banjhi in tea plants refers to the phenomenon where tea buds are slow to grow, or bud break is delayed with a low sprouting rate and the new shoots produced are rather small. When tea plants are in the banjhi state, it is extremely favorable for flower bud differentiation, causing the tea plants to produce a large number of tea flowers from late October to mid-November, which consumes a great deal of nutrients, directly affects the growth of tea leaves the following year, and accelerates the aging of the plant. Therefore, preventing banjhi in tea plants is very important. To prevent banjhi in tea plants, the tea garden soil should be fully tilled 3-5cm deep in summer and autumn, so as to cut the soil capillaries and
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Introduction to the Effects and Uses of High-Bud Uniform Tea Tree
Breeding unit: Hunan Tea Research Institute. Approval status: approved by the Hunan Provincial Crop Variety Approval Committee in 1993, and by the National Crop Variety Approval Committee in 1995. Variety registration number: GS13015-1994. Variety origin: isolated and bred in 1970 from the natural hybrid seedlings of Chuyeqi. Characteristics: shrub type, medium-leaf class, semi-spreading tree posture, relatively dense branching, strong bud-developing ability, late sprouting period, uniform sprouting, yellow-green buds and leaves, relatively few trichomes, strong tenderness retention. High yield, suit
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How to treat swine asthma? Sharing effective remedies and new methods
Swine asthma is a chronic disease characterized mainly by coughing and wheezing, accelerated breathing, audible wheezing sounds, a dog-sitting posture, foamy discharge from the mouth and nose, and reduced appetite, and it mostly occurs in cold, damp weather or when the climate changes abruptly. Affected by feeding management and sanitary conditions, the mortality rate is relatively high when secondary infection occurs. The following combination of drugs can cure it in a very short time, with good results. The method is: inject 1 ml of Houttuynia cordata injection and 10 ml of ciprofloxacin hydrochloride injection per kilogram of pig body weight, and inject 5-10 ml of methylene blue injection and 0.01-0.03 ml of atropine sulfate injection per pig, all by intramuscular injection, twice a day, with 4 days as one course of treatment, and two courses for severely ill pigs.
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Effective prevention and treatment methods for reproductive stress in breeding sows
1. Symptoms: (1) Abnormal bone metabolism, weak limbs and hooves, abnormal limb morphology and gait. Soft feet, hoof cracks, hemorrhage under the hoof shell, and in severe cases postpartum paralysis. (2) Sows show reproductive disorders, especially first-litter sows, with delayed estrus, anestrus or failure to come into estrus. More piglets born in the first litter, fewer in the second; or more in one litter and fewer in the next. Sows have weak disease resistance, reduced immune function, incomplete uterine involution, increased incidence of endometritis and mastitis, and are prone to various infections, with a higher culling rate. (3) Sow fertility and pig
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A Highly Effective Method of Using Mirabilite to Treat Pig Eczema
Eczema is a skin disease that occurs frequently in pigs in autumn. Acute and chronic eczema has the main symptoms of erythema, papules, and itching on the skin, and a few cases are accompanied by pustules, exudate, erosion, and scabbing, and it is especially harmful to suckling piglets. Based on practical experience in production, treatment with mirabilite has a highly effective result. Method: according to the size of the pig and the area of the affected part, take 50-200 grams of mirabilite respectively, add 200-500 milliliters of cold boiled water, and after dissolving, apply and rub the affected part, 4-5 times a day, or use a clean towel to dip the liquid and wipe the affected area, for half an hour each day,
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Methods of Adding Garlic to Feed and Its Effects
Methods When adding fresh garlic in small amounts, peel the fresh garlic, mash it, chop it, or grind it into garlic paste with a meat grinder, then add it to the feed, mix thoroughly, and feed. When adding it in large amounts, first mix the fresh garlic (peeling not required) with the main ingredient of the feed (generally corn) in the required amount, then grind it. This neither affects the grinding effect on the active ingredients nor prevents the garlic from being evenly mixed into the feed. The addition ratio is 1%-5%. Adding dried garlic (residue) powder: Make garlic (residue, that is, the leftover material after steam distillation to extract oil) into dried powder
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Sexual propagation proves effective for gastrodia cultivation
Gastrodia is a flagship product among the traditional Chinese medicinal herbs of our province. As the quality of gastrodia cultivation degrades year by year and diseases become severe, gastrodia yields are low and returns are poor. How to solve this problem? Experts at the Fengcheng City Yulong Sexual Seed Propagation Demonstration Service Base have found a way: with the method of sexual propagation of gastrodia, not only do yields increase by 2-3 times compared with asexually propagated gastrodia, but the disease resistance of gastrodia is also greatly enhanced. What is sexual propagation of gastrodia? According to Mo Bingyao, an expert at the Fengcheng City Yulong Sexual Seed Propagation Demonstration Service Base, gastrodia cultivation in our province basically all uses
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