Key points of Cucumber cultivation techniques in Spring greenhouse
Variety selection: select early-maturing, disease-resistant and high-quality varieties such as Changchun dense thorn, Jinza 2, Jinchun 2, seedling period: greenhouse seedling raising in early February 2, preparation of nutrient soil: mature organic fertilizer: garden soil: fine furnace ash = 5:4:1. Add 0.5kg urea and 1-2kg diammonium phosphate to every cubic meter of nutritious soil. 3. Soak seeds for 4-6 hours, accelerate germination under 25-30 ℃, and sprout in 1-2 days. 4. Sowing: can be directly seeded in the nutrition bowl or sowed on the seedling bed (this method requires seedling division). It should be kept 25-30 ℃ in daytime and 18-20 ℃ at night after sowing, 25-30 ℃ in daytime and 12-16 ℃ at night after emergence. The seedling age is about 40 days. 5. Strong seedling standard: plant height 15-18 cm, 5-6 true leaves, leaf color dark green, bibcock extended, stem diameter 1 cm, Internode short, top flower with bud colonization 1, planting period: late March 2, planting density: large row spacing 75 cm, small row spacing 25 cm, plant spacing 30-33 cm, 3800-4200 plants per mu. 3. Planting method: 5000 kg of organic fertilizer, 20-30 kg of diammonium phosphate and 10 kg of urea per mu. The bed is 100 cm wide and is planted in dark water.
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Key points of High-yield cultivation of Spring Cucumber
The suitable varieties should be selected under the condition of low temperature in early spring, with strong parthenocarpy, low melon position, more female flowers, disease resistance, high quality and high yield, such as Changchun, Jinyan cucumber and so on. Seed germination should be carried out 2-3 days before sprouting and planting. In the process of accelerating germination, we should often turn the seeds to make them bear evenly.
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Seedling raising method of dry cucumber in spring greenhouse
Generally in late February-early March sowing, select high-yield, disease resistance, low temperature and weak light resistance, good commodity early-maturing varieties. Before sowing, prepare good nutrient soil, add appropriate amount of calcium superphosphate and diammonium phosphate in nutrient soil, and disinfect the nutrient soil after preparation; disinfect the cleaned seeds before sowing, and use 55℃...
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