Foliar fertilization involves applying fertilizers directly to the leaves rather than the roots. This method not only nourishes the plant but also helps protect it by treating it with special remedies against pests and diseases, such as fungicides.

Optimal Times for Foliar Feeding

The best times to spray cucumbers are two weeks after germination, during flowering, and during harvest. This feeding method ensures cucumbers absorb essential nutrients like magnesium, calcium, manganese, boron, and potassium, which are critical for plant growth.

What to Spray Cucumbers With

  1. Urea (Urea): Urea contains nitrogen, essential for promoting shoot and leaf growth. Dissolve 7 grams of urea in 5000 ml of water and spray on the cucumbers.
  2. Boric Acid: To accelerate flowering, boost the ovary development, improve the taste of greens, and increase resistance to diseases, dissolve 1 gram of boric acid in 1000 ml of warm water. You can also add manganese to this solution.
  3. Superphosphate (Phosphorus, Sulfur, and Calcium): Superphosphate aids the root system development and promotes flower formation. Dissolve a couple of tablespoons of superphosphate in a glass of hot water and let it sit for a day. Then, mix 70 ml of the concentrate in 5000 ml of water.
  4. Calcium Nitrate: To protect cucumbers from stress, improve taste, and extend their shelf life, feed them with calcium nitrate. Mix 10 grams of saltpeter in 5000 ml of water.

Folk Remedies for Foliar Feeding

  • For powdery mildew prevention, spray cucumbers with an herbal infusion.
  • Use ash for a universal fertilizer in a decoction or infusion.
  • An onion peel infusion helps protect against diseases and boosts the cucumber’s immune system.
  • An infusion of rotted hay helps extend fruiting and shields cucumbers from fungal diseases.

Fertilizers can be applied both in greenhouses and in open ground.

Essential Rules for Foliar Fertilization

  • Always follow the correct proportions when preparing fertilizers.
  • Use fresh fertilizers for optimal effectiveness.
  • Apply fertilizers in the evening or when the weather is cloudy.
  • When cucumbers begin to bear fruit, organic fertilizers are best.
  • Always wear protective equipment when working with fertilizers.
  • Thoroughly wash the container that held the fertilizer after use.

By following these steps, you’ll ensure your cucumbers grow strong, healthy, and yield a bountiful harvest!

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