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Detailed Guide to Herbicide Application Techniques in Licorice Fields (Part Two)
Weeds can severely affect the yield and quality of licorice, competing with licorice for sunlight, water and nutrients. Some weeds are also intermediate hosts for licorice crop pests and diseases, helping pests and diseases spread and transmit. Especially for artificially cultivated licorice at the seedling stage, if weeds are not removed in time, a large number of seedlings will die, or even the entire crop will be destroyed. Now, in addition to manual weeding, chemical herbicides are often used for weed control. In our county, the following 3 chemical herbicides are currently promoted for artificially cultivated licorice: acetochlor, pendimethalin, and doucaote. Practice has proved that using chemical herbicides for weed control is the guarantee
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Experimental Demonstration and Application of Factory-Based Soilless Seedling Raising of Cotton in the Dongtai Area
Factory-based soilless seedling raising of cotton is a seedling revolution in the history of cotton cultivation. It breaks the decades-old cultivation system of raising seedlings in nutrient pots and transplanting them, making cotton seedling raising and transplanting a simple, rapid, time-saving, labor-saving and cost-saving cultivation method, and opening up a new path for cotton cultivation. In 2003, Dongtai City introduced factory-based soilless seedling raising and transplanting trials. In 2004 and 2005, this technology was introduced successively in Tangyang and Luegang for soilless seedling raising and large-area transplanting trials and demonstrations. The details are summarized as
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What to Do About Excessive Cotton Growth Regulator Application? Master These Mitigation Methods
Every year in late July and early August, many cotton farmers in cotton-growing areas report that some cotton plants showed excessive vigor in the earlier stage, and some even tended toward runaway growth, so they applied the plant growth regulator mepiquat chloride. Because they could not get the concentration right, when the spray concentration was too high and they encountered high-temperature weather, the cotton plants showed symptoms of leaves and branches being unable to spread out, and cotton growth was inhibited. Below are several methods to alleviate excessive cotton growth: Spray Huimanfeng active liquid fertilizer. This fertilizer contains chelated humates and multi-element compound fertilizer
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Key Points of Cotton Chemical Topping and Detailed Explanation of Application Methods
Cotton chemical topping is the use of chemical regulation measures to shape cotton into an ideal plant architecture and create a high-photosynthetic-efficiency population. 1. Status and role of chemical topping. Cotton is a typical light-loving crop. High yield, early maturity and high quality in the early-maturing cotton region of eastern Hebei need to be achieved through rational close planting, but rational close planting will inevitably intensify the contradiction between individual plants and the population in terms of space and light energy utilization in the middle and late stages. Therefore, cotton chemical topping has become an important supporting measure for rational close planting, and is also the core content of early promotion and stress resistance, especially the simplified cultivation technology system. At present, mepiquat chloride in cotton chemical topping
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A Detailed Guide to the Application Methods of Several Chemical Regulators for Cotton
In cotton production, the commonly used chemical regulators include mepiquat chloride, chlormequat, ethephon, triacontanol, chitin, and others. Some of these chemical regulators can shape an ideal plant architecture, forming a high-photosynthetic-efficiency population per unit area; some can promote robust plant growth and reduce the occurrence of pests and diseases; and some have a ripening effect, effectively regulating the maturity period and thereby reducing the harm from disastrous weather. In short, scientifically applying various chemical regulators well in cotton production is beneficial for increasing yield and improving quality. 1. Mepiquat chloride can both reduce cotton plant height and decrease
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What Are the Uses of Snake Venom? A Comprehensive Analysis of Its Main Application Value
1. What Are the Properties of Snake Venom? Snake venom is a toxic protein and polypeptide substance containing various enzymes secreted by venomous snakes, and it is also the substance that causes poisoning reactions after a venomous snake bite. Fresh snake venom is a somewhat fishy-smelling, egg-white-like viscous liquid, appearing yellow, pale yellow, green, or even colorless. When fresh, it shows a neutral or weakly acidic reaction, and after standing for a while it can become alkaline. Its water content is 50%-75%, and its specific gravity is between 1.030 and 1.080. Fresh venom easily forms foam when exposed to air, and at room temperature it is prone to spoilage and deterioration after 24 hours, losing its toxicity.
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The role and application methods of wheat straw and wheat chaff mulching
Wheat straw and wheat chaff mulching is the even scattering of wheat straw or wheat chaff around autumn crops or between rows to form a certain mulch layer, with an appropriate amount of soil pressed over it in spots so as to cover and preserve soil moisture. For wheat straw and wheat chaff mulching, it is necessary to properly grasp the principles of timing, mulching amount, and rational application of chemical fertilizers, etc. 1. Timing. The relatively suitable mulching time is from late June to early and mid-July. Too early makes it easy to press down the seedlings, while too late means the crop plants are tall and not easy to work with. After mulching, if there is no rain or the rainfall is insufficient, it will affect the rotting and decomposition of the straw, and the effect will be poor, so timely watering is needed. It is also possible to water at the first topdressing at the end of June.
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A Detailed Guide to the Application of Antibiotics in the Treatment of Snake Diseases
Antibiotics, originally called antibacterials, are metabolic products of microorganisms such as bacteria, fungi and actinomycetes. At very low concentrations they can inhibit or kill pathogenic microorganisms and systemic bacterial infections. They are one of the commonly used and indispensable high-efficiency drugs in clinical practice, and are equally applicable to the prevention and treatment of snake diseases. Practice has proven that injecting antibiotics into snake bait can not only prevent snake diseases, but also improve snake metabolism, promote growth, and raise the survival rate or feed conversion rate. Commonly used antibiotics include penicillin, erythromycin, cephalosporin, chlor
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Auxiliary Application of Carbon Dioxide and Carbonic Acid in Live Fish Transport
Carbon dioxide-assisted live fish transport is a new technique that keeps live fish in a sleep-like state for extended periods to reduce transport costs. When using carbon dioxide to assist in transporting adult carp, the adult carp must be alternately perfused with carbon dioxide gas at a high partial pressure (27-33KPa) and a low partial pressure (13-17KPa); the transport time can be maintained for about 10 hours, with a very low mortality rate. A mixed gas of carbon dioxide and oxygen (50:50) can also assist in transporting live fish. In this case, gas can be directly injected into the water containing crucian carp and
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Detailed Explanation of Immune Application Methods for Pig Vaccines
1. Concentrated multivalent inactivated vaccine against Streptococcus suis: Action: prevents septicemia, encephalitis, polyarthritis and abscess disease caused by Streptococcus suis. Usage: boars and sows are injected twice a year, 3 ml per head by intramuscular injection each time; pigs over one month of age are injected 2-3 ml per head intramuscularly each time. 2. Inactivated bivalent vaccine against infectious atrophic rhinitis of swine - toxigenic Pasteurella multocida: Action: prevents atrophic rhinitis and pasteurellosis in pigs. Usage: sows are injected intramuscularly in the neck 1 month before farrowing
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