Abelmoschus maninot L. is also known as octagonal bean and ocean sesame. Its tender fruit is fried or boiled, but it can also be stained with pickles and vinegar. Mature seeds can be fried and pulverized into powder for coffee use. Okra has high nutritional value and has the functions of protecting the stomach and the liver. The tender fruit has a sticky substance that can help digestion. It can also be used as a medicine to treat gastritis and gastric ulcers. It is a natural green health care and medicinal food, and it is worth vigorously. Promote planting and consumption. Now introduce its cultivation techniques. 1 Characteristics Okra is an annual herb of Malvaceae. Stem erect, plant height 1 ~ 2m, developed roots, water absorption, suction fertility. Stem stout, 5-lobed leaves palmate, petiole long. Yellow flowers, born in the main branches of the leaves, gradually open upward from the lower part. The fruit is pod fruit, shaped like an ocean horn, inverted cone shape. The seeds are blue and black with fine hair on the surface. Okra prefers warmth, heat resistance, and frost resistance. The optimum temperature for seed germination is 30°C, and germination is slow at temperatures below 12°C. The optimal temperature for plant growth and development is 25-28°C. Below 10°C, it can hardly grow and it will die when frost is encountered. Hi hi light, not tolerant to yin, if the planting is too dense and shaded one another, the growth is poor. Therefore, open and sunny plots should be selected, and suitable for dense planting. Strong adaptability to soil, but suitable for well-drained fertile soil . 2 Cultivation Techniques 2.1 Prepare soil preparation before planting, deep plowing and deep plowing, apply sufficient basal fertilizer, apply 2,000 kg of organic manure per acre, apply evenly, and appropriately apply calcium and magnesium fertilizers. It is made of deep ditch sorghum, which is 90cm wide and planted in 2 rows. It can also be made into 120cm wide and 4 rows. 2.2 sowing in the south generally in late March ~ early April sowing. Fertile seedlings are transplanted or broadcast live. When using seedlings for nutrition, 3 to 4 seeds per seedling are sown and seedlings emerge in about 7 days, and they can be transplanted to Daejeon in mid-April. Live broadcast shallow 40 cm (3cm deep), the seeds sown in the ditch evenly, per acre seeding amount of 1.5 ~ 2kg, covering the earth with a flat surface, 15 to 20 days after sowing seedling emergence. When the young seedling grows a true leaf, the seedlings begin, the plant spacing is 15cm, there are 3 to 4 true leaves when the planting, plant spacing 30 ~ 50cm, other areas after the final frost colonization or sowing. 2.3 Field Management Okra plants have well-developed root systems, strong growth, need of fertilizer and large amount of water, especially during flowering, if water shortage or lack of fertilizer will lead to poor results and reduce production. Fertilizer after Dingzuo 1 time, urine per acre 750 ~ 1000kg; plant height 40 ~ 50cm, combined with cultivator weeding earth, Mu application of potassium sulfate compound fertilizer 25kg. Afterwards, weeding and weeding were conducted every 15 to 20 days, and potassium sulfate compound fertilizer was applied top and back, a total of 2 to 3 times before and after. The soil remains moist. 2.4 Harvesting and seed collection and harvesting should be timely. If the output is too early, the yield will be low, and if it is too late, it will affect the quality. Generally, it can be harvested after 5 to 9 days. When harvesting, use scissors to cut them. Do not pick them by hand, otherwise it will damage the plants and affect the yield. In order not to affect the yield, the middle and lower parts of the plant should be used for seed retention. From mid-September to early November, when the pods begin to change Brown, cracks can be harvested when it is visibly broken. Cut the pods with scissors and expose them to sunlight. When the pods are completely dry, peel the pods and remove the seeds and dry them. 3 Major pests and diseases control Okra has strong disease resistance, and few pests and diseases occur. Seedlings and early growth stages should be guarded against young tigers grazing seedlings. Milur 0.15 kg/mu can be used to plant the buckwheat noodles. Root-knot nematode. Root-knot nematode disease is characterized by the emergence of tumorous parts of varying sizes in the affected parts of the roots. The tumor-like part is incised. The lesions are seen in white, small, pear-like females, and nodules or root knots are often present. Produce small new roots, later infected with root-like enlargement. Severe disease strains are weakly growing, short, and pale in color. Control methods: Rotate the soil, deepen the soil, concentrate burned or buried the diseased plants, or use 30% methylisotriphos granules in the hole before sowing, and apply 50% phoxim EC 1500 times to irrigate the roots during the onset. . Aphid can be used 40% Dimethoate EC 800 ~ 1000 times or 10% Aojing net wettable powder 3000 times spray every 10 days, even spray 2 ~ 3 times, control effect is good.
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