1. Apply fertilizer. For late-maturing kiwifruit varieties, use high-potassium compound fertilizer. 15-20 kg per mu. In the later stage, potassium chloride can be applied with water in combination with watering, 15 kg per mu each time. When fertilizing, add 3~6 kg/strain of medical stone powder, and use water to flush with Bacillus megaterium, glial spores and other inoculants. You can also use 15 to 20/mu of potassium fulvic acid with water.
When watering after fertilization, apply bio-organic fertilizer or fungus with water, such as Leading You, EM, Bacillus subtilis, Mumei Tuli, Enyibi, etc., to slow down the adverse effects of chemical fertilizers on soil structure and fruit quality.
2. Water management. For the varieties close to the harvest (Cuixiang, Hongyang) 20 days before picking, when it is not very dry, no water is required.
For late-harvested varieties, lightly irrigate when showing drought conditions. When there is a problem with the root system, you can remove a layer of soil from the root distribution layer and irrigate the root with a rooting agent that you will lead the way. If there is root rot, first irrigate the roots with hymexazol or 45% solution of 300 to 400 times of ammonium ammonium hydroxide. After half a month, irrigate the roots with a rooting agent led by you.
If the new shoots are yellow, use a fertilizing gun to infuse the root distribution area with 0.2% iron fertilizer + 1500 times solution (60 kg of water plus one pack) and you will lead the way, and then add 1% vinegar or 15 to 30 times solution em. For root knot nematodes, add Paecilomyces lilacinus; for grubs add Beauveria bassiana. Once every 30-50 days. Spray 0.3% urea plus 0.15%~0.2% chelated iron on the surface of yellowing leaves
After grafted plants, when the grafted membrane is pulled deep into the interface, the membrane should be removed in time. At the same time as uncoating, apply Tu Kui to the interface. When the new shoots of the scion are lignified, smear the thin parts. Be careful not to stick to the leaves and petioles when applying.
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