The leaves of kiwifruit are large, and sunlight is not easy to penetrate. The crown of kiwifruit is flat, which can easily shade the inner chamber of the crown. The photosynthesis of poorly illuminated kiwi branches is poor. Due to the characteristics of the nearby nutrient supply, these branches cannot get sufficient nutrients, and the leaves will be in a state of malnutrition for a long time, resulting in poor growth of the fruits growing on these kiwi branches, low sugar content, and flesh color Faint, poor storage, poor growth of flower buds.
For kiwi fruit to obtain normal vegetative growth, high yield and fruit quality, and to ensure abundant flowers in the next year, the leaves on the shelf must be given better light. Therefore, kiwi fruit must be thinned in summer. The lush growth period of kiwi fruit from June to July is the key period for thinning branches. Leave enough preparatory branches for the next year on the main vine and near the base of the fruiting mother branch, that is, after leaving 10 to 12 vigorous and developing branches on each side, remove the excess branches on the fruiting mother branch to keep the distance between the annual kiwi branches on the same side At 20-25 cm, thin out the developmental branches that have no fruit and cannot be used next year, weak fruiting branches, and diseased branches.
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"Black and White Ultrasound Scanner" is to emit ultrasonic waves, so that the ultrasonic waves encounter barriers to generate echoes, use the computer to collect these echoes, convert them into corresponding images and display them on the screen, and the images measured by the ultrasonic probe are black and white, so it is called " Black and White Ultrasound Scanner" is also the earliest diagnostic technology adopted by b-ultrasound.
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