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Correct methods for thinning and final thinning of licorice seedlings
Licorice is mostly cultivated in arid regions. To ensure a high emergence rate, when direct seeding is used, the seeding rate is often on the high side; therefore, after emergence, seedlings must be thinned and finally thinned according to their condition. Seedlings generally emerge about 10 days after sowing. When the seedlings have grown 2-3 true leaves, thin them, pulling out the overly dense and weak seedlings so that the spacing between seedlings remains at about 5 cm, which favors seedling growth and development and the formation of robust plants. When the seedlings have grown 3-5 true leaves or the seedlings are more than 6 cm tall, carry out final thinning, with a plant spacing of 10-15 cm being suitable, leaving 20,000-25,000
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How to make watermelon rind taste good? The method for making licorice watermelon rind strips
Watermelon rind is rich in carbohydrates, minerals and vitamins, and has effects such as clearing heat and detoxifying, and promoting urination. The following introduces the technique for making licorice watermelon rind strips: Cut into strips. Thoroughly wash fresh watermelon rind with clean water, drain off the water, remove the green outer skin and the red flesh, then use a stainless steel knife to cut the watermelon rind into strips 0.2 cm wide and 6 cm long. Salting. First mix sodium benzoate and table salt, in amounts of 0.1% and 10% of the weight of the watermelon rind strips respectively. Then, in a container, salt in the order of one layer of watermelon rind and one layer of mixed salt, with a somewhat larger amount of mixed salt on the topmost layer. The salting time is generally 24 to 48 hours. Rinsing. Put the salted watermelon rind strips into a container holding clean water, changing the water once every 1 hour, until the salt content in the watermelon rind strips drops to 1% (the salt content is tested with a handheld salinity refractometer). Sugar processing. Put the rinsed watermelon rind strips into a bamboo basket and drain off the water. Then, in a container, process with sugar in the order of one layer of watermelon rind strips and one layer of sucrose. The amount of sucrose used is 20% of the fresh watermelon rind strips, and the sugar processing time is 24 to 48 hours. Baking. Take out the sugar-processed watermelon rind, drain off the sugar liquid thoroughly, arrange it evenly on a baking tray, send it into the drying room, and bake at 65 to 70 degrees C until the moisture content of the watermelon rind is 25%. Auxiliary ingredient formula. Calculated per 100 kg of fresh watermelon rind strips, prepare the auxiliary ingredients: sodium saccharin 0.05 kg, monosodium glutamate 0.2 kg, citric acid 0.05 kg, table salt 0.5 kg, potassium sorbate 0.01 kg. Soaking the auxiliary ingredients. Place the dried watermelon rind strips in a container. Dissolve the auxiliary ingredients according to the formula in licorice water, pour into the container, and mix the watermelon rind strips thoroughly from top to bottom. On the second day, mix from top to bottom another 1 to 2 times, leave for 2 days, take out the watermelon rind strips and bake them. The licorice aqueous solution is made by boiling 4 kg of licorice and 25 kg of water per 100 kg of fresh watermelon rind strips, and filtering it. Baking. Evenly arrange the watermelon rind strips that have been soaked with auxiliary ingredients on a baking tray, and send them into the drying room for baking. It is suitable to control the drying room temperature at 60 to 65 degrees C. During baking, turn them several times, and when the moisture content of the product drops to about 25%, the baking is finished. Mixing in licorice powder. Cool the watermelon rind strips at room temperature. Mix licorice powder (used in an amount of 0.1% of the fresh watermelon rind strips) into the watermelon strips, and mix evenly to obtain the finished product.
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Technical points for cultivating Gastrodia elata with rice husk culture medium
Rice husk is a good "soil" ingredient for culturing Armillaria mellea and cultivating Gastrodia elata in plain areas. The "soil" it forms, namely the filler, is loose, well aerated, has good water permeability and is rich in nutrients, which is beneficial to the growth of Armillaria mellea. The rhizomorphs on the fungus branches and fungus wood cultured with it are thick and vigorous, and the Gastrodia elata cultivated with them grows well. The method is: (1) Rice husk fungus substrate culture: use 1 part rice husk and 1 part yellow sand (volume ratio 1:1) or 3 parts rice husk and 2 parts yellow sand, add water and mix thoroughly, humidity 40%
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How to Select and Prepare Land for Planting Licorice
Usually, sandy soil that is fertile, loose in texture, well-drained and low in salinity and alkalinity is chosen for planting licorice, and it requires a deep soil layer and a low groundwater table. In North China, Northeast China and Northwest China, licorice should be cultivated on sand dune areas or on high-lying alluvial soil on both banks of rivers; this kind of licorice is rich in powder, low in fiber and strong in sweet taste; saline-alkali land should not be chosen, otherwise the cultivated licorice will have short main roots and many branches, with rhizomes growing horizontally on the surface, thin and weak, and the product will be light in weight, low in powder and not strong in sweet taste. Choose sandy loam with a deep soil layer; as long as it is plowed about 30 cm
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What to do about pigeon dysentery? It can be treated with the Chinese herb licorice
When a pigeon suffers from dysentery, its droppings are as thin as water, green with a yellow tinge. The sick pigeon huddles in the coop, drinking large amounts of water but not eating, and its condition worsens by the day. Buy licorice, mash it up and administer it to the sick pigeon by mouth, and also soak licorice in water for the sick pigeon to drink. The next day the droppings had already changed from thin to dry. Continue treating with licorice, and in less than a week the sick pigeon can recover. According to "Compendium of Materia Medica" by Li Shizhen, "Licorice, sweet and neutral in nature and flavor, mainly treats cold and heat pathogenic qi of the five zang and six fu organs, and resolves a hundred toxins," and "treats red and white dysentery, and taken it works immediately."
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Detailed Explanation of Key Points for Artificial Cultivation Techniques of Chinese Licorice
Licorice, also known as sweet root and dense grass, has 23 varieties worldwide. China is the country with the most licorice distribution, with 12 varieties. Ural licorice (i.e., Chinese licorice) is the most widely distributed, highest-yielding and best-quality licorice species among the six licorice species listed in the pharmacopoeia of China, and has long enjoyed a high reputation in the international market. Licorice is a perennial herbaceous plant of the Fabaceae family, and its roots and rhizomes have the effects in traditional Chinese medicine of harmonizing various medicines and neutralizing a hundred toxins. China has the sayings "nine out of ten prescriptions contain licorice" and "no prescription is complete without licorice," so it is called the king of Chinese herbal medicines. Licorice
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Symptoms and Control Methods of Brown Spot Disease in the Medicinal Plant Licorice
Licorice, scientific name Glycyrrhiza uralensis Fisch., also known as meicao and micao, is a perennial herbaceous plant in the Fabaceae family. Its roots and rhizomes are used as medicine. It has the effects of harmonizing the middle and relieving urgency, moistening the lungs and detoxifying, and harmonizing various medicines. It is produced in Inner Mongolia, Gansu, Shanxi, Shaanxi, Liaoning, Jilin, Heilongjiang, Hebei and other provinces. The symptoms mainly damage the leaves. The lesions on the leaves are round or irregular, 1-3 mm in size, with a grayish-brown center and brown edges, and grayish-black mold-like substances, namely the pathogen's conidia, grow on both sides.
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Occurrence and Control Methods of Root Rot in the Medicinal Plant Licorice
Symptoms The disease mainly affects the rhizome and roots. After infection, the stems and leaves of the aboveground part gradually turn yellow and wither, and the rhizome becomes yellow-brown to dark brown, sunken and rotten. The pathogen Fusarium sp. is a species of Fusarium, belonging to the Deuteromycotina fungi. For the morphological characteristics of the pathogen, transmission routes, disease conditions, and control methods, see Astragalus Root Rot.
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In the field of licorice research and development, our country has become the leader
It was recently learned at the founding conference of the Special Committee on Chinese Materia Medica Pharmaceutics of the World Federation of Chinese Medicine Societies and the International Symposium on Chinese Materia Medica Pharmaceutics that our country has successfully applied chiral catalysis technology to the purification of the active ingredients of licorice, increasing it from 3% to 97%, greatly saving medicinal materials. At the same time, following the recent introduction of the Class I new drug and chiral liver drug "Tianqing Ganmei", this shows that our country has already taken a world-leading position in the research, development and innovation of licorice preparations. Chiral technology works by scientifically adjusting the chemical structure arrangement
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Intercropping Cultivation Techniques for Licorice in Land Returned from Farmland to Forest
Intercropping licorice in land returned from farmland to forest can both conserve soil and water and increase economic returns, achieving the goal of using the land to support the forest and the forest to support the land, and realizing a "win-win" for both the economy and ecology. Since 2002, Regiment 137 has conducted cultivation trials of intercropping licorice in land returned from farmland. After several years of experimentation and exploration, breakthrough progress has been made. 1. Land selection: Select sandy loam plots of land returned from farmland to forest with relatively low salinity and alkalinity, relatively few field weeds, and good drainage for intercropping licorice. The main tree species planted in the sowing area is wolfberry seedlings; the planting pattern is furrow planting
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