Chestnut skillful summer fertilizer can be high yield

Summer is the strong period of chestnut flowering and shoot growth, and it is the first peak of chestnut root growth. The nutrient consumption in the tree is large. If you do not supply sufficient nutrients, it will affect the normal growth of chestnut trees. At that time, the number of chestnuts was increased, the yield was low, and the quality was poor. Chestnut tree fertilization in summer is trivial:

Skillfully use soil fertilization. The chestnut garden with thin soil and severe fertilizer deficiency has better effect by soil fertilization. The method is: excavating a circular ring groove in the canopy line of the chestnut tree, the groove width is 25 cm, the groove depth is 20 cm, and each plant applies 1 kg of calcium phosphate, 0.3 kg of urea, and 0.25-0.5 kg of borax. When applying, urea and borax should be dissolved in water before application, and water should be poured while fertilizing, and the fertilizer and soil should be mixed with the steamed bread to make the fertilizer water penetrate into the root as soon as possible. After fertilization, return to the soil to fill the ditch in time to prevent nutrient volatilization. If you apply the appropriate amount of soil and fertilizer to fertilize the soil during fertilization, it will have a good effect on the results of chestnuts in the coming year and the reduction of openness.

Use the root fertilization method. This method of fertilization is applicable to chestnut trees on various soils in summer. The method is: mixing 0.3% to 0.4% of urea liquid, 0.3% to 0.5% of potassium dihydrogen phosphate solution, and 0.3% to 0.4% of borax solution, and spraying the crown on the sunny day at 9 am or in the evening, spraying 10 days apart. Once, even spray twice. If it is raining within 10 hours, it must be re-sprayed within 10 hours to ensure the effect of fertilization.

The two combine fertilization. In the summer, if the soil fertilization method and the root external fertilization method are combined, the effect of increasing the yield of chestnut is better. That is to say, on the basis of doing a good job of soil fertilization, the root fertilization can be carried out at the right time, which can not only make the chestnut high-yield in the same year, but also make the chestnut high-yield in the coming year.