The “shoulder†cracks in apples are heavy because in the later stages of apple growth, when the pulp cells continue to expand, if the temperature drops, the peel will shrink, while the still-puffy pulp cells will spread the pericarp, leading to peels. Cracks appear. Apple's "shoulder," because the skin is tender, so heavy cracks. Severe cracking of apple stems is due to the lack of timely picking or apple harvesting. If the apples are pulled, they will not be harvested within 7 days after bag removal. More than 20% of apples will crack. In addition, there is more rainfall, the apple cracks heavy; after picking the bag, if there is dew every day and the fruit surface does not dry before 11am, the apple cracks heavy; underground humidity is high, the crack of the apple is heavy; the temperature is unstable, and the crack of the apple is heavy; 7~8 In apple gardens where nitrogen fertilizer is applied on a monthly basis, there are many cracks in the apple. It is recommended that fruit turmeric be thickened and the fruit pedicle should be sprayed before apple blossom, young fruit, and fruit expansion to increase nutrient delivery. Anti-dropping, fruit drop, cracked fruit, stale fruit, malformed fruit, make the fruit beautiful, beautiful fruit, and good taste. At the same time with the new high-fat film spraying 800 times liquid film bagging role, will not affect the fruit breath, prevent fruit rust, anti-crack fruit, improve the fruit surface coloring and brightness, reduce residual toxicity and improve quality. And in the apple bagging, picking bags immediately after spraying "fruit and vegetable health transparent clothing" fruit surface smooth, bright color, pure taste, to prevent bagging apple crack phenomenon.
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