Summer vine planting requires attention to the application of potassium fertilizer. Grape is one of the fruits that people love in summer. It is rich in nutrients, but it is important for farmers who grow grapes to increase the yield and taste of the grapes. The vine is a typical potassium-producing fruit tree. It is known as the “potassium plantâ€. Potassium can increase the cellulose content of the grape and enhance the cold resistance. It can also promote the ripening of the berries, which is beneficial to the transfer of nutrients to the berries and the sugar content. increase. According to the fertility characteristics of the vines and fertilization conditions, the fertilization is divided into:
Based on the application of organic fertilizer, the base fertilizer can increase the yield and color, and the leaves are thick and the stems are strong. The composite film can also help plants absorb a lot of light energy and light, and is compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit. One-year benefits for one application.
Topdressing is usually applied three to four times a year. The first time is the early flowering stage, and each plant is applied with 1.5 to 2 kg of NPK fertilizer. The second time is after the flowering, that is, the young fruit is inflated, and each plant is planted with electronic fertilizer to improve the super fertilizer effect.
The third time is the initial coloring of the fruit, and each plant is applied with 0.8 to 1 kg of potassium nitrate and potassium fertilizer. After the fourth time, the fruit was applied with 1.5 to 2 kg of potassium nitrate. In addition, spraying fresh high-fat film before fruiting to maturity can play a role in liquid film bagging, without affecting fruit respiration, preventing fruit rust, preventing cracking of fruit, improving fruit surface coloration and brightness, reducing residual toxicity and improving quality.
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