The time for the autumn fertilizer is mainly carried out before and after the autumn equinox. At this time, the fruit has been harvested or nearly mature, the new shoots basically stop growing, and the tree consumes less nutrients. In addition, at this time, the roots are the second and third cattle peaks, and the roots are easy to heal and can emit new roots; and at this time, the ground temperature is still high and the microorganisms are in a relatively active state. At this time, the application of the base fertilizer can increase the nutrient reserve of the tree, which is conducive to the germination, flowering and growth of the new shoots in the next year. As a result, the application of base fertilizer increased the yield, eased the size and improved the fruit quality; the application of the base fertilizer to the saplings was beneficial to the fruit age and early yield increase. In the spring, the application of the base fertilizer, the fertilizer effect can not be fully exerted, the tree growth is not robust, and the secondary tree shoots grow too prosperous, not only waste nutrients, but also affect flower bud differentiation.
The amount of fertilizer applied to the base fertilizer is preferably 1 kg of fruit and 2 kg of crude fertilizer for the mature tree. The saplings and the first fruit trees are preferably 100 kg to 150 kg of crude fertilizer or 20 kg to 25 kg of human excrement.
The fertilization method adopts a semi-annular or annular groove application, that is, a trench with a depth of 50 cm and a width of 40 cm along the outer edge of the canopy; the result tree can be used to excavate 4 channels and 6 radial grooves per plant. 50 cm - 80 cm, width 40 cm, apply fertilizer and mix with the soil; you can also use the method of spreading, combined with deep turning to turn the fertilizer into the ground. The combination of Shiji fertilizer and irrigation can fully exert the fertilizer effect. Note that quick-acting fertilizer should not be added to the base fertilizer to prevent premature aging of the leaves.
The amount of fertilizer applied to the base fertilizer is preferably 1 kg of fruit and 2 kg of crude fertilizer for the mature tree. The saplings and the first fruit trees are preferably 100 kg to 150 kg of crude fertilizer or 20 kg to 25 kg of human excrement.
The fertilization method adopts a semi-annular or annular groove application, that is, a trench with a depth of 50 cm and a width of 40 cm along the outer edge of the canopy; the result tree can be used to excavate 4 channels and 6 radial grooves per plant. 50 cm - 80 cm, width 40 cm, apply fertilizer and mix with the soil; you can also use the method of spreading, combined with deep turning to turn the fertilizer into the ground. The combination of Shiji fertilizer and irrigation can fully exert the fertilizer effect. Note that quick-acting fertilizer should not be added to the base fertilizer to prevent premature aging of the leaves.
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