High Yield Cultivation Techniques of Scutellaria barbata Rice Field
Scutellaria barbata is known as toothbrush grass, duotou grass, narrow leaf Hanxincao, Sifang Malan and others. It is an all-grass medicinal material that has medicinal effects of detoxification, blood circulation, swelling, pain relief and anti-cancer. As the amount of use increases year by year, the wild resources continue to decrease, while the species of the species of Scutellaria barbata is affected by various factors such as climate and geographical conditions. The output is very unstable and there is often a situation in which demand exceeds supply. Northern clan species are lower than the south because of climatic reasons. Hunan is another main producing area developed after Henan and Hubei. Because of the suitable environment, artificial homes have developed rapidly in recent years. The annual output of the province has reached 300-500 tons. .
Banzhilian has a warm and humid climate and a half-negative environment. It can be cultivated in most parts of Hunan Province. It is particularly suitable for mountainous areas and hilly rice fields. In the mountainous areas, paddy fields are generally irrigated by mountains and rivers. Lotus creates ideal growth conditions. One year can be harvested 4-5 times, mu yield up to 600-800 kilograms, more than 1/3 higher than the yield of dry land, with the current acquisition of 5 yuan per kilogram, per mu income up to 3000-4000 yuan.
The site should be selected to be semi-humid and easy irrigation and drainage of land, dry and dry place should not be planted.
Seeding can be planted in spring, summer and autumn. Planted in paddy fields and generally sown in late September-October late rice or mid-season rice. Spreading: 1.5-2 kg per acre. Although the amount of planting in the first year is relatively large, one planting can be managed for three years, and due to the early planting time, the amount of seeds used is larger, and therefore the emergence is early and the seedlings are dense, which can effectively inhibit the growth of weeds. By adopting this method, it is also possible to exempt land from plowing, reduce production costs, and increase production.
Fertilization is mainly farmyard fertilizers. After the late rice is harvested, combined with a drainage ditch, 1000-1500 kg of pig manure is applied per acre, which can be insulated in winter and provide long-term fertilizer sources for growth in the coming year. When the height of seedlings is 1-2 cm after spring, a thin layer of human fecal urine or 5 kg of urea is poured. The urea solution should be light to avoid burning seedlings. After each harvest, the manure and manure water or compound fertilizer is poured to promote the germination of new seedlings. Re-applying winter fertilizer, applying 1500-2000 kg per acre of manure, and applying 25 kg of cake fertilizer or superphosphate together to compost.
Weeding herbicides are used to eliminate gramineous weeds during weeding. The remaining broad-leaved weeds need to be removed manually. After the first harvest, “paraquat†is used to prevent and control the weeds.
Pest control diseases rarely occur. There are mainly two kinds of pests, one is aphids. From April to June, they gather sap from young leaves and tender stems, and spray them with 40% omethoate EC 1000 times. The second is the cabbage white butterfly. From May to June, the larvae feed on the leaves. When they occur, 90% of trichlorfon is sprayed with 800-1000 times liquid.
Harvesting can be done 4 to 5 times a year. The first time was in late May; the second time was in early July; the third time was in mid-August; the fourth time was in late September; and the fifth time was in mid-November. Eyesight, from the stem 2-3 cm cut off the ground. Wash the roots, dry them until they reach 70% dry, then dry them until they are dry. Generally, the quality of harvesting at the flowering stage is good. It is better to use stems with full color and no miscellaneous, stems with flower spikes, and green color.
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