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Cucumber in open field is the main vegetable in spring and summer farmhouse. In order to cultivate a good exposed cucumber, the following technical steps must be mastered: First, create a good fertility condition that can fill irrigation and drainage. Cucumbers are warm and fearful. The clay land should be cultivated in high ridges with a ridge height of 30 cm or more and a loft distance of 25-30 cm. Sandy loams should be used as a rake, with a width of 1 meter, two rows per rake, and a pod spacing of 40 centimeters. Second, increase fertilizer material. Mushi rotted high-quality home fertilizer 5000 kg. Third, conditional farmers should timely irrigation of cucumber. Cucumbers are afraid of drought and are afraid of pods. They need to be hard-ground and keep the soil moist. Fourth, timely prevention and control of downy mildew, angular spot and aphids pests and other pests. The use of agents are 75% chlorothalonil 600-800 times, 40% 300% aluminum phospond, 25% rifamil 1000 times, 5,000 times agricultural streptomycin, 5000 times neophytin, 40% Dimethoate 1500 times liquid and so on.