The cucumber roots in the greenhouse are weak and have poor absorption, but they have strong fertility and fertility. Understanding the growth characteristics of cucumber, skillful fertilization, scientific management, can make cucumber high quality and high yield.
The nursery nutrient soil requires loose texture, good gas permeability, sufficient nutrients, and the pH value is in the range of 5.5-7.2. The preparation method refers to the nutrient soil formula of the tomato. In the preparation of nutrient soil, the addition of 2-3% of superphosphate of total nutrient soil has a significant effect on promoting the growth of seedling roots and cultivating strong seedlings. Seedling seedlings are adopted. When transplanting, the transplanted or rooted with 2 kilograms of full-spring microbial agent can be used to stimulate root growth, increase the survival rate of slow seedlings, and cultivate strong seedlings.
The root system of cucumber is mainly distributed in the plough layer of 15-25 cm. The salt tolerance is poor. The amount of topdressing should not be too large, and the number of top dressing should be more. Master the principle of “eat less mealsâ€.
1. Apply enough base fertilizer. Generally, 5,000 kilograms of decomposed organic fertilizer is applied in acre (you can use the full garden spring fermenting agent to fully decompose common organic fertilizer), diammonium phosphate 20-30 kg, potassium sulfate 20 kg, and superphosphate 50 kg as the base fertilizer. For many years, it is necessary to add 2 kg of ferrous sulfate, 2 kg of zinc sulfate, 1 kg of borax or 2-4 bags of Manyuanchun Yijia boron and 2-4 bags of Manyuanchun Yijia. After the fertilizer is evenly spread on the ground, it only needs to be turned over once to function, and the utilization rate is quite high.
2, skillfully plant fertilizer. When planting, the bio-organic fertilizer is used as the fixed plant fertilizer, and the organic fertilizer is generally 40-50 kg. When fertilizing, you can concentrate on the ridge line, then lick it, then you can ridge.
3, the long-term topdressing. Generally, cucumbers need to be topdressed 8-10 times after planting. After sitting on the melon, the yield of cucumber is basically formed. Fertilization will not only cause the growth of the melon, but also promote the increase of yield. The cucumber was first topdressed in the early stage of the cassava, and the urea was applied 7-9 kg (12-15 kg of ammonium sulfate) and 5-8 kg of potassium sulfate. Every 5-10 days later, water should be poured as appropriate, and watering should be carried out with fertilizer every time. Each time, each mu can be poured with water to apply 10 kg of Fertilizer. To ensure continuous high yield of cucumber. Fertilize later. With the harvest of cucumber, the nutrients are continuously consumed, and a steady and long supply of nutrients is needed. In the later stage, the topdressing is neglected, the cucumber is prematurely deficient due to lack of fertilizer, the effective harvesting period is shortened, the cucumber yield is decreased, and the deformed melons such as curved melons are increased. After cucumber cucumber 2-3, the application of urea 10-20 kg to reduce the development of female flowers, promote the growth of cucumber "faucet", to avoid the appearance of deformed melons,
4, root dressing. After the cucumber is planted, before flowering, at the beginning of the cassava, and at the beginning of the squash, the roots are topdressed. Each acre is sprayed with 2 bags of water and 30 kilograms of water in the garden to prevent premature aging and reduce deformity. melon.
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