Basil, also known as red susu, fragrant susu, has the effect of dispelling the cold and relieving the skin, regulating qi and helping the intestines. It is one of the first 60 foods and medicines that have been promulgated by the Ministry of Health. In Europe, America, Southeast Asia and China's Hong Kong, Macao and Taiwan regions, basil leaves have been used as raw materials for fashion vegetables and medicines and health products. Its roots, stems, leaves and seeds can all be used as medicines. The young leaves of the tender shoots have specific aromas, which can be used as seasoning condiments and vegetables. It is an excellent export-oriented vegetable. With the improvement of people's living standards and the universal development and utilization of various special vegetables, the utilization value of perilla is getting more and more attention. 1. Soil selection: Perilla has strong adaptability to the climate, and it does not require strict soil requirements. Various soils can be cultivated. However, it is better to use a loam and sandy loam with a pH of 6-6.5 and well-drained water to grow on fertile soil. good. Second, sowing seedlings: optional species of Japanese Ye Shisu or domestic large Ye Zi varieties. Seedbed soils are required to be selected for good permeability, hard-to-consolidate, fertile soils with high humus content, and 667 square meters (1 mu) of field requires about 50 square meters of seedbeds. The 667 square meters of seedbeds were decomposed with 1,000 kg of organic fertilizer and 80 kg of cake. The fertilizer was ploughed into the soil and dried for 10 days. As mentioned in the text, 5 kg of compound fertilizer and 2 kg of urea were used as basal fertilizer. After the cultivating and leveling, the bed was made to be 15 cm high and 1.3-1.5 m wide. The open field cultivation is generally conducted from the end of March to early April. The new seeds are treated at a low temperature of 3°C for 5 days and treated with a solution of gibberellic acid at a concentration of 100 ml/kg. Spray 33% of weeds and 300 times of weeds on the bed before sowing to sow and sow 4 days after spraying. For every 667 square meters of seedbeds, about 600 grams of seeds are needed. After the seeds are spread, the seeds are spread and covered with fine soil. Seeds are invisible. The top is then sprinkled with even straw, filled with water, covered with plastic film and a small shed, 7-10 days later. Can emerge, remove the film after emergence. Thin manure was applied 2-3 times during the nursery. When one leaf starts, the seedlings are started, and the seedlings are usually 3 times. The spacing of the seedlings is 3 cm 3 cm. In order to prevent seedlings and soil moisture is too large, it is necessary to remove the membrane. Seedlings can be transplanted in about 45 days. Third, planting: 10-15 days before planting, the field of soil deep turning, the basic fertilizer to organic fertilizer, per 667 square meters of manure compost 500 kg, compound fertilizer 100 kg. In general, the width of the surface is 1 meter, and the width of the groove is 30 centimeters deep. In the middle and late April, the seedlings were planted with 3-4 true leaves. Each row was planted with 6 rows. The row spacing was 15 centimeters and 15 centimeters, 1 plant per hole, 17,000 plants per 667 square meters, and timely watering after planting. In order to prevent weeds and soil pests from harming seedlings, the soil surface may be sprayed with 72% Dole emulsion 2-3 days prior to colonization, and 70% crystals of trichlorfon mixed with 500 times liquid dip seeds are used to seduce and trap the surface. Fourth, field management: 1. Picking leaves to fight. 20-25 days after planting, for plants that have grown to 5 stem segments, the leaves and branches below the stem segments should be removed from the stems to promote robust growth of the plants. After one week from the beginning of the temporal lobe, when the lateral width of the leaves of the fifth stem is more than 10 cm, the leaves can be picked up. Two pairs of leaves were picked each time and the axillary buds on the upper stem sections were removed from the stems. In late May, it is the peak period of leaf collection, which lasts until the beginning of August. Leaf can be collected once every 3-4 days. At the beginning of September, the plants began to grow inflorescences. At this time, 3 leaves of the leaves could be retained without leaving any leaves, so as to reach the finished leaf standard. Generally, about 40 pieces of perilla leaves can be picked, and about 2,000 kilograms of fresh leaves can be picked up per 667 square meters. 2. Fertilizer management. After entering the peak period of leaf collection, it should be properly moisturized and topdressed with available nitrogen fertilizer. In order to accelerate the growth of leaves, generally 667 square meters of urea 15 kg. In order to improve the quality of the leaves, fertilizer can be applied once every other month in the rhizosphere, and 2,500 kg of excrement can be applied to 667 m2 each time. A 0.5% urea solution was sprayed once a month on the foliage. 3. Pest control. Basil pests are leafhoppers, aphids, and green worms, etc., and can be killed by killing 1,500 times or 80% of dichlorvos by 1000 times. Diseases mainly include powdery mildew and rust, and can be sprayed with 50% thiophanate-methyl 1500 times. Prevention. V. Timely Harvest: The production of Perilla products depends on their different uses and requirements. The tender stems and leaves used as vegetables can be harvested at any time. As an export product, harvesting is generally started in late May or early June and harvested until early September. Each plant can harvest 20-23 pairs of qualified products in different stages. After pickling, the single product reaches 120 grams. The standards required for export products are: the widest point in the middle of the blade reaches 12 cm or more, no defect, no hole, and no spot. China Extract Powder For Use As Dietary Supplement Extract Powder, Extract Powder Manufacturer Shaanxi Kang New Pharmaceutical co., Ltd. , https://www.bio-pharmacies.com
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