First, choose the right variety For the varieties cultivated in summer and autumn cucumbers, the varieties with heat resistance, disease resistance, strong growth and high yield should be selected. The varieties of Xiangchun No.7 and No.8 cucumbers selected by Hunan vegetables are heat-resistant and disease-resistant (epidemic). , Fusarium wilt), good quality, strong growth, fertilizer resistance, high yield, is one of the strongest summer and autumn cucumber combinations in China. Second, choose the appropriate seeding period The sowing date of summer cucumber varies with the previous crop and market demand. Generally, it can be sown from May to July. Although the later the sowing, the higher the temperature, the greater the impact on plant growth, but the cucumber picking period is positive for August-September vegetables. The market is off season and can get better economic benefits. Autumn cucumber can not be planted too late, because of the low temperature in the later period, affecting the knot. Third, the rotation of the pit, sorghum cultivation Cucumber avoids continuous cropping, generally needs to be rotated for more than 3 years, at least to be planted every other year. It is better to choose the sandy loam in the paddy field, which is “summer dry, light, early, and late at nightâ€. You can choose the late wintering and early maturing spring and summer vegetables after planting. Pit land can eliminate weeds, increase fertility, promote soil sulfur, promote root development, reduce pests and diseases, and pits for 10-20 days. The use of deep sorghum cultivation techniques is an important part of the summer and autumn cucumbers to capture high yields. High temperature in summer, heavy rain, and land preparation To achieve deep ditch narrow compartment, sorghum cultivation, can be able to fill the discharge. Generally, the width is 1.3 meters (with groove), the width of the groove is 0.4-0.5 meters, and the depth of the groove is o.26-o.3 meters. The required ditch is deeper than the lumbar groove. The waist groove is deeper than the ditch, and the three ditch are connected. After the rain, it is not Leave water stained. Fourth, cultivate strong seedlings, preserve seedlings Seeding method: The summer and autumn cucumber sowing methods adopt two forms: dry seed direct seeding, small bud direct seeding and seedling transplanting. (1) Live seeding of dry seeds, or directing small buds to sow live cucumbers Most vegetable farmers broadcast a batch of fast-growing leafy vegetables 7-10 days before sowing, such as hot water cabbage and leeks to protect the shade. Before planting, open a good hole according to the row spacing, soak 3-4 seeds per hole; cover some broken straw and keep the soil moist. After seeding and irrigation in time, flush water compartment until the surface of the wet, surface is not flooded car. (B) transplanting seedlings generally carried out in the open field seedbed, and to set up rain and sun, well-ventilated shade shed, well in advance Chuangtu nutrition, nutrition block (bowl), seedling age should not be too long, usually 7-10 days about to start in two leaves for the degree of colonization after 5 o'clock in the afternoon, and promptly burned pocket pressure water; cover the next morning some grass or tree branches shade protection, can be rehydrated after 2-3 days in living. Fifth, strengthen management, rational fertilization The vegetative growth and reproductive growth of cucumber in summer and autumn are carried out at the same time. The time is short, the growth is fast, and the amount of fertilizer is large. The fertilization should master the principle of “basic fertilizer, light fertilizer, heavy fruit and fertilizerâ€, “less eating more meals, using decomposed fertilizer†, general base fertilizer should be applied to human waste About 1500 kg, 50 kg of compound fertilizer or 50 kg of compound fertilizer plus 25 kg of ammonium bicarbonate. After the seedling period is planted, the manure and urine of 1:10 are used as the seedling fertilizer, and the fertilizer is added once every week, and the vines are inserted and vine. After entering the result period, the proportion of top dressing will be increased. If there is a condition, one melon can be collected and the fertilizer can be used once. In case of rain, 5-7 kg of urea can be applied per mu. After entering the fruiting period, 0.3% potassium dihydrogen phosphate can be added. 3% urea was used for top dressing. Both summer and cucumber water-loving afraid of water. If improper irrigation, it will cause disease, leading to reduced yield of cucumber, leaving the park ahead of schedule. Therefore, irrigation should look at the sky, see the ground, and see the seedlings. According to the situation, the watering should be carried out in the morning or in the evening (cool, cool, cool, cool). Do not water or water at noon. It is best to use the ditch irrigation "horse water" to achieve small grievances, diligent irrigation, and irrigation, without leaving water, not to keep off the water. After shrinking the soil, it is advisable to topdress in time to keep the soil moist. Sixth, harvest Harvesting begins about one month after planting. It is hot in the day, and the melon is also developed quickly. It should be collected diligently. It is usually harvested every other day to ensure the freshness of the melon and the vigorous growth of the plant. At present, the main varieties are Xiangchun No.7, Xiangchun No.4, Xiangchun No.5, Jinyan No.4, and Jinyan No.7.
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