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Detailed Explanation of the Principles and Key Technologies of the Three-Super Cultivation of Rice in Cold Regions
The Three-Super cultivation technology for rice in cold regions addresses the growth-limiting factors currently present in high-yield rice cultivation in cold regions, such as a short growth period, excessive basic seedlings, excessive consumption of growth, poor light-receiving posture of the plant type, and decline of late-stage growth. Taking the "ridge-edge rice cultivation effect" as a model, it takes creating the largest super-high-yield population with the fewest basic seedlings as its basic approach, and takes "extending and expanding the nutritional time and space, releasing production potential, and strengthening the dual canopy (plant canopy and root canopy) performance" as its basic principle. It adopts standard high-quality super rice, uses single (double) seed positioning with ultra-early, ultra-low-rate sowing
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How can the rabbit industry develop? These ten principles must be kept firmly in mind
The prices of white fox fur and blue fox fur at the Shangcun fur market in Suning County, Hebei Province have never been so identical. Blue fox fur (white fox fur) 90cm 350-360 yuan, 95cm 400 yuan, 1 m 450 yuan, 1.1 m 550 yuan. Because the off-season has already begun, the market appears quiet. According to observation, the expressions of the fur traders do not show a worried look; on the contrary, most practitioners reveal a confident look of being sure to succeed. In their spare time, they chat, discuss future market conditions, and many are joking around, while the fur
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Detailed Explanation of Garlic Storage Principles and Technical Methods
After garlic is harvested, its dormancy period lasts only 2 to 3 months, after which the young sprouts inside the thick fleshy bulb begin to grow. The nutrients needed for the young sprouts to extend and push through the top opening come entirely from the outer garlic cloves. The cloves gradually change from their original crisp and fresh state to soft and loose, the commercial quality declines noticeably, and they are prone to sprouting and mold. I. Storage Principles Garlic is eaten for its enlarged bulb. When mature, the outer bulb layers dry out and become fatty and membranous, which can prevent internal moisture evaporation, entry of external rainwater and mechanical damage, and is conducive to dormancy; this is a self-protective function. After garlic emerges from the soil
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Principles and Methods of Oral Medication for Preventing Rice Field Eel Diseases
Also called the oral administration method, it generally involves mixing the medication to be used into the feed at the prescribed dose to make medicated bait, so that the rice field eel ingests the medication by eating the feed, thereby achieving the purpose of preventing and treating diseases. The problem with using this method is that usually once rice field eels become ill, it becomes a group outbreak, with generally reduced appetite or almost complete cessation of feeding, meaning that the amount of medication entering the rice field eels' bodies will not be very large, and the treatment effect will not be very good either. Therefore, certain technical measures need to be taken to do everything possible to get the sick rice field eels to better ingest the medicated bait, such as stopping feed
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Detailed Explanation of the Basic Principles for the Use of Fishery Drugs
The use of fishery drugs is based on the basic principle of not harming human health and not damaging the aquatic ecological environment. In the aquaculture process, the prevention and control of diseases and pests in aquatic animals must adhere to the principle of giving priority to prevention, with treatment as a supplement. The use of fishery drugs should strictly follow the regulations of the state and relevant departments, and it is strictly prohibited to produce, sell and use fishery drugs that have not obtained a production license, approval number, or production standard. Actively encourage the research, development, production and use of fishery drugs that are highly effective, fast-acting, long-lasting, and have low toxicity, few side effects and small dosage, and advocate the use of drugs specifically for aquatic products, biological fishery drugs and fishery biological
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How to choose a cotton variety? Follow these principles
Scientific seed selection is the first hurdle in cotton production. The selection of superior varieties should follow these three principles: First, the approval principle. The state stipulates that only varieties approved by the national or provincial variety approval committee can enter production and application, so approved varieties should be purchased as seed for production. Second, the ecological zone principle. The selected variety must suit the ecological conditions of the local cotton region. Third, the maturity principle. Because variety maturity has special requirements for the sowing season and ecological zone, varieties of different maturities cannot be sown out of season.
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Principles of preventive medication for eel diseases and how to use the hanging bag method
Also called the hanging basket method. Bags or baskets containing medicine are hung around the feeding ground (platform) to form a medicated zone, so that when rice field eels enter this zone to feed, pathogens on their body surface are killed. This method has the advantages of using a small amount of medicine, being simple and convenient, being safe, and having few side effects. However, it also has the disadvantage of not completely killing pathogens. It is generally used to prevent diseases.
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What are the principles of watering bonsai? Mastering these few points is very important
1. The principle of watering: "Do not water when dry, water thoroughly when dry" - this is the principle of watering bonsai. It should be noted that when watering, avoid only wetting the surface soil and giving "half-way water," also called "waist-cut water," meaning the amount of water is insufficient and the pot soil is wet on top and dry below. "Half-way water," because the lower part of the pot soil is not moistened, is extremely unfavorable for tree roots to absorb water. In short, when the pot soil is dry, water enough until the pot soil is moist throughout from top to bottom. 2. Watering methods [1] Water according to season: In early spring, tree stumps begin to grow, and the amount of water needed gradually increases, but it should not be too much. When branches and leaves
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What are the principles for selecting breeding pairs in dogs? A detailed explanation of the precautions
Selecting breeding pairs in dogs means choosing suitable male and female dogs to mate, that is, how to choose suitable mates for male and female dogs. The principles are as follows: (1) Choose male and female dogs that share common strengths to mate, so that their strengths are maintained, consolidated and developed in the offspring. (2) Male and female dogs that share common faults must not be mated; if they are mated, the faults of both will become more firmly established. (3) When good breeding dogs are in short supply, a dog with a certain strength may be mated with another dog that has the corresponding fault, using the strength to overcome the fault.
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What technical principles should be followed when thinning flowers and fruit on pear trees?
Thinning flowers and fruit is, on the basis of winter pruning, the regulation of flowers and fruit on trees that still have too many flowers or have set too much fruit; this is a means of achieving a reasonable crop load; its main functions: first, to overcome biennial bearing and stabilize both yield and tree vigor; second, to ensure that the current year's fruit is large and uniform, so that every fruit left on the tree develops into a qualified, high-quality marketable fruit and few culls are produced; third, to form a sufficient number of flower buds for the following year's crop and maintain strong vigor. Trees that are not thinned or that carry an excessive fruit load very easily develop biennial bearing. The essence of biennial bearing is that the fruit
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