Safflower is also known as grass safflower, cup safflower. Herbs use flowers as medicine, which has the function of breaking down the stasis and promoting blood circulation and passing through pain relief. A total of 667 square meters (1 acre) of finished product medicinal herbs is about 150-200 kilograms, and the whole growing period is about 90 days. Cultivated safflower has the advantages of quick effect and good efficiency, and is suitable for cultivation in various places. Its cultivation techniques are as follows: 1. Daejeon is prepared to select fields with high dryness, good drainage, deep soil and moderate fertility. The former crop is dominated by leguminous and gramineous crops and should not be used as a continuous crop. Before planting, the planted 667 square meters of planted manure with 2,500 kilograms of calcium fertilizer, 15 kilograms of superphosphate, ploughed into the barley, and then finely leveled and made a sorghum with a width of 1.3 meters. At the same time, a good ditch was opened around to facilitate drainage. Second, sowing time and method Sapphire (white sand No. 1) sowing time spring and autumn sowing. Spring sowing in April-June, autumn broadcast in August-October. 667 square meters with 2 kg of seed. Before sowing, soak in seeds with warm water of 35-40 °C for 10 minutes (to increase the germination rate), remove and pour cold water and cool it. Take out and let it dry. Sowing seed sowing and sowing. Drill seedlings are planted in a horizontal direction at a distance of 40 cm on the surface of the seedlings. The ditch is 6 cm deep, and the seeds are sown uniformly. Hole sowing, hole spacing 10 cm X25 cm hole, hole depth 6 cm, then sowing, sowing 8-10 tablets per hole, after sowing cover 3 cm thick fine soil, and finally pouring enough water, about 15 days emergence. Third, field management When young seedlings and young seedlings grow 3 leaves, the seedlings are planted to remove weak, oversized or extremely small seedlings, leaving medium strong seedlings. When the seedlings height 8-10 cm when the seedlings, every 20 cm or so left a strong seedlings, hole sowing each hole to stay 2, if the lack of seedlings, should be timely replanting, generally about 2000 per 667 square meters is appropriate . 2. Weeding and weeding are generally carried out three times, with the former being combined with secondary seedlings and fixed seedlings, and the third time with the combination of topdressing and earthing before the closure of the line. 3. Topdressing When the seedlings are unearthed, decompose and thinly defecate water may be poured to promote greening. When the seedling height is 30 centimeters, when there are a large number of branches, it is necessary to reapply the branching fertilizer. In general, 2000 kg of manure and livestock waste water is poured per 667 square meters, and 10 kg of urea is poured. After the application, the earth is about 6 cm thick in the rhizosphere. After budding, 200 kg of plant ash and 15 kg of superphosphate can be applied per 667 square meters. In addition, 0.5 kg of urea and 1 kg of superphosphate can be mixed with 50 kg of water before flowering. After the roots are sprayed, spraying again once every 3-4 days can increase the number of tidbits, increase flowering, and increase yield. 4. In the event of drought, irrigation and drainage of safflower should be properly watered to keep the soil moist. If there is too much rain and the temperature rises, drainage should be cleared in time to reduce the occurrence of diseases. 5. When the safflower stem is about 1 meter long and 20 branches are planted, it should be torn in time to promote branching. 4. Prevention and control of pests and diseases such as blight, anthrax, aphids, and leafflies. V. Harvesting and processing 1. Picking and harvesting When the flower changes from yellow to red, the flowers are picked in batches in the morning when the dew is not dry, and when the scorpum piece is sharp and sharp. 2, after the processing of safflower harvesting can not be exposed, can not stack, should be shaded in a cool well-ventilated place, or dry in a 40-50 degree drying room. The safflower seeds can also be used medicinally. When the achenes are mature after 20 days of flowering, the sunny days are cut after threshing. China Agricultural Network Editor
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