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What are the methods for treating licorice seeds?
1. Sulfuric acid treatment method. For every 1 kg of clean seeds, use 20-30 ml of 80% sulfuric acid and stir evenly. Once uniform sulfuric acid etching marks are visible on the seed coat, rinse with clean water and dry in the sun for later use. The treatment time depends on temperature and the amount of acid added. With the same amount of acid, the treatment time is shorter when the temperature is high and longer when the temperature is low. With more acid added, the treatment time is shorter; conversely, the treatment time is longer. 2. Seed coat crushing method. Place the seeds on a grinding pan at a thickness of 3 cm, turning them as you grind. When the seed coat is ground to a yellowish-white color
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Detailed Explanation of Licorice Planting Methods and Technical Requirements
1. Selection of planting site. Under different climate and soil conditions, the yield and quality of licorice vary considerably. Licorice has strong adaptability to temperature conditions, while moisture conditions play a decisive role in licorice yield. According to the author's research, in regions of China's temperate zone with 300-500mm of precipitation, the rainfall in normal years can basically meet the growth needs of licorice, and it can be cultivated on land without irrigation conditions; however, to obtain high-quality transplant seedlings, the seedling nursery should have irrigation conditions. In areas with annual precipitation below 200mm, to obtain high quality and high yield, when there is no sufficient groundwater directly available for licorice use (groundwater level 2-3m), both the seedling nursery and the transplant site must have irrigation conditions.
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What are the cultivation methods for licorice? Detailed explanation of the key planting techniques
There are mainly two. (1) Direct seeding, generally done in rows, with a row spacing of 30-50 cm, a furrow depth of 3-4 cm, and 2 cm of covering soil, with a seeding rate of 2-3 kg per mu. Because direct-seeded products develop many branched roots, with the roots thick at the top and thin at the bottom, most fail to meet the quality standard, and because digging them out is laborious and highly labor-intensive, in production generally only seed-production fields use this method. (2) Seedling raising and transplanting, which is mostly used in production because of its high yield, excellent quality, low labor intensity, and high economic benefit. Generally, raising one mu of seedlings requires seeds
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What are the identification methods for the Chinese medicinal herb Schisandra chinensis?
Schisandra is divided into Liao Schisandra and Shan Schisandra, both traditional Chinese medicinal herbs with a long history of use. In recent years they have sold very well, especially last year when Korean pharmaceutical traders came to China to purchase large quantities of Liao Schisandra, causing the price to soar to around 70 yuan. As the price of the medicinal herb rose, unscrupulous traders tried every means to adulterate and counterfeit it. When the price of Liao Schisandra was high, they mixed Shan Schisandra into it for sale. Now the prices of Liao Schisandra and Shan Schisandra are similar, and both remain high, so they have mixed in the seeds of a wild type of cultivated mountain grape. To improve everyone's identification ability, the following
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How do you set the row and plant spacing for Schisandra chinensis? How many methods are there?
There are now three methods for planting Schisandra chinensis: the first is a row spacing of 1.2 m and a plant spacing of 0.5 m; these are all older methods. Poor land and sandy land still use this planting method today. If the soil quality is good and the soil is fertile, this method cannot be used. The second is a row spacing of 1.4 m and a plant spacing of 0.4 m. This method suits good soil quality, has good ventilation and light penetration, is convenient for operations, and is not prone to pests and diseases. This method is currently used everywhere. The third is a row spacing of 1.4 m-1.5 m and a plant spacing of 0.5 m. This method separates the 2 vines of each plant into a plant spacing of 0.25 m for single-vine growth; for each plant's 2 vines, either two bamboo poles or woolen yarn can be inserted to train the vines.
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Frost damage prevention and control methods and key technical points for Schisandra chinensis
1. Disease symptoms Frost damage of varying severity occurs every year in the Schisandra chinensis production areas of Northeast China. In mild cases, the branches and shoot tips are frozen; in severe cases, the entire plant dies. Affected leaves initially show irregular small spots, which over time merge together and develop into mottled, uneven large patches; the leaves fade, and the leaf margins dry up. In the later stages of the disease, the young tender shoots suffer severe water loss and wilting, the tissues dry out and become necrotic, the leaves dry up and fall off, and the tree vigor declines. The first factor is the influence of temperature: after Schisandra chinensis buds break in spring, the nighttime temperature sometimes drops sharply, and water vapor condenses
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Transplanting Methods and Techniques for Wild Schisandra
In forest areas, especially in forest farms where Schisandra grows in relatively concentrated stands, wild Schisandra seedlings can be dug up in autumn and transplanted directly into open fields. After leaf fall in autumn or before the ground freezes, select strong 1-2 year old Schisandra seedlings, keeping 30-35 cm of rootstock on each plant to ensure the survival rate after planting. If there is no time for transplanting in winter, the wild seedlings can be heeled in temporarily and transplanted in the following spring. Sufficient moisture must be ensured. Therefore, after autumn transplanting, winter irrigation should be carried out where conditions permit. At the same time, to ensure that the transplanted seedlings are not damaged by cold winds and dried out in winter, the seedlings should be covered with soil. In the following spring, remove the soil and set up supports with tree branches for the Schisandra vines so that they can grow and develop normally.
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Correct methods of topdressing and irrigation in Schisandra chinensis cultivation
Fertilization: After deep plowing (autumn plowing), apply autumn fertilizer, applying 3-5 m3 of farmyard manure per mu, carried out on both sides of the trellis every other year; in the first two years, keep close to the wall of the planting trench; after the third year, open a trench 60-80 cm deep and 40 cm wide between the rows, and cover with soil immediately after filling. Topdress twice each year: the first time at the bud break stage (early May), apply quick-acting nitrogen and potassium fertilizer; the second time at the mid-growth stage of the plants (early July), apply quick-acting phosphorus and potassium fertilizer. As the plant expands, the fertilizer amount increases year by year: ammonium nitrate 25-100 g per plant, superphosphate 200-40O
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Methods and Key Techniques for Cultivating Schisandra (Schisandra chinensis) Seedlings
The redder the fruit, the better, as this ensures better seed maturity. After the seeds are picked, first remove the flesh, then wash the seeds clean. After washing, mix fine river sand and seeds in a 3:1 ratio. After mixing, maintain the moisture, adjusting it to the point where it forms a ball when squeezed and crumbles apart when released. Once the moisture is adjusted, it can be stored at low temperature. This low temperature is the outdoor temperature; you can dig a deep pit outdoors, or use a relatively cold room indoors.
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What are the harvesting methods for Schisandra seed fruit?
The seed collection period for Schisandra (Schisandra chinensis) seed fruit can be in late September to early October, when the fruit is fully ripe and turns purplish red. Generally, choose those with long spikes, large berries and many berries, and well ripened, as superior seeds. Use harvesting scissors to cut off the fruit stalk, put the harvested fruit spikes into a holding basket, and be careful to handle them gently.
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