Summer is hot and humid, but fruits and vegetables also need our patience to water. The management of cucumber in summer is very important, so how to fertilize cucumber in summer, let's take a look at it.
Fertilization principle
Facility cucumber is generally used with high nitrogen and phosphate fertilizers, but nitrogen and phosphorus fertilizers are likely to cause nitrogen and phosphorus nutrient accumulation in the soil, and the imbalance of nitrogen, phosphorus and potassium nutrient supply and vegetable demand will cause cucumber. The yield and the quality of the cucumber are reduced, so the correct fertilization principle for cucumber is:
(1) Apply organic fertilizer to improve the comprehensive soil fertility level.
(2) Combining base fertilizer and topdressing, in the critical period of nutrient demand and the maximum efficiency period, according to the demand for nutrients.
(3) Apply calcium and magnesium, boron and other trace element nutrients in a timely manner to prevent physiological diseases in the facility cucumber, affecting yield and quality.
(4) Fertilization and irrigation are closely combined to reduce nutrient loss and improve nutrient utilization. Under the film, the irrigation water volume does not exceed 30 cubic meters per mu, and the sand is generally suitable for 20 cubic meters.
2. Fertilization amount and proportion
(1) Determine the appropriate fertilizer type and amount based on the target yield. The target output is 4000-6000 kg/mu plot, the application of organic fertilizer (commercial organic fertilizer) is 500-800 kg, the nitrogen fertilizer (N) is 25-30 kg, the phosphate fertilizer (P2O5) is 8-12 kg, and the potash fertilizer (K2O) 30～ 35 kg. The target yield is 7000-10000 kg/mu plot, the application of organic fertilizer (commercial organic fertilizer) is 800-1000 kg, the nitrogen fertilizer (N) is 35-40 kg, the phosphate fertilizer (P2O5) is 15-20 kg, and the potash fertilizer (K2O) 35 ~40 kg. The target yield is 11,000-13000 kg/mu, and the application of organic fertilizer (commercial organic fertilizer) is 800-1000 kg, nitrogen fertilizer (N) 45-55 kg, phosphate fertilizer (P2O5) 20-25 kg, potassium fertilizer (K2O) 40. ~ 45 kg. The target yield is 14000-16000 kg/mu, and the application of organic fertilizer (commercial organic fertilizer) is 1000-1500 kg, nitrogen fertilizer (N) 50-60 kg, phosphate fertilizer (P2O5) 25-30 kg, potassium fertilizer (K2O) 45. ~ 50 kg.
(2) Fertilization in the early stage of cucumber, mainly controlled, to ensure the late growth. Organic fertilizer and phosphate fertilizer are all applied as base fertilizer, 10%-20% of nitrogen fertilizer and 20%-30% of potash fertilizer are applied as base fertilizer. The remaining nitrogen fertilizer and potassium fertilizer are applied in the initial flowering stage and the meloning stage according to nutrient demand. The amount of nitrogen applied (N) should not exceed 6 kg/mu.
(3) In the acidic soil plot, apply 100-150 kg of calcium magnesium phosphate fertilizer to correct the physiological calcium and magnesium deficiency of cucumber; in the boron-deficient plot, apply 0.5-0.75 kg of borax per acre or spray on the foliar surface. 0.15% to 0.2% borax solution.
The above is the suggestion about the summer cucumber fertilization management. The fertilization of cucumber is related to the growth of cucumber. Therefore, the farmers can't care about it. The above cucumber fertilization content is very detailed. I think it is useful to praise it!
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