During the expansion of lettuce, sufficient nitrogen and potassium fertilizers are needed to rapidly inflate. Specific methods are as follows:
In the early, middle and late stages of lettuce elongation, nitrogen and potassium fertilizers are applied at a time, and 15-20 kg of urea, 8-10 kg of potassium sulfate, or 20-25 kg of potassium nitrate are applied per mu, which is against fresh water or biogas slurry. After 150 to 200 times of decomposed human or animal manure water is poured, it is evenly applied to the soil around the root of the lettuce plant. It is better to completely infiltrate into the soil without overflow. In addition, during the elongation and expansion of lettuce, the leaves should be sprayed with 0.3% urea, 600 times amino acid potassium mixture or 0.5% potassium nitrate solution once every 7 to 10 days, and sprayed continuously for 2 to 3 times. Spray all the leaves evenly to start dropping drops of water, supplementing nitrogen and potassium fertilizers from the leaves.
Acne Patch3
The main material of salicylic acne patch is hydrocolloid, which is composed of hydroxymethyl cellulose, medical hot melt adhesive. patch acne is used to apply to the surface of acne, absorbing tissue secretions in a physical way and creating a moisture-balanced environment around the acne. Korean acne patches has a flat back and neat edges, with no defects of decoupling. Acne scar patch can absorb more than twice of its own tissue fluid. Acne cover patch is disposable. Keep skin clean before acne pimple master patch use, do not apply any products, do not use with ointment. Acne patch microneedle is most effectively absorbed when the acne appears pus-filled. To use acne pimple healing patch, remove the sticker, peel off the backing paper, apply it to the wound and gently press around it to fix it. Acne spot patches is most effectively absorbed when the acne appears pus-filled. To use acne removal patch, remove the sticker, peel off the backing paper, apply it to the wound and gently press around it to fix it. After the color of the custom acne patch changes from clear to white, replace the sticker. Salicylic acne patch has good water resistance and can be used during makeup or bathing.
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