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要生产出色泽鲜红浓艳的苹果,除引栽红色优良品种,改善树冠通风透光条件,增施有机肥料及磷、钾肥和适时采收外,还需要用人工增红措施,促进果实着色.
To produce a bright red apple with brilliant color, in addition to the introduction of fine varieties of red, to improve the canopy ventilation and light conditions, the addition of organic fertilizers and phosphorus, potash and timely harvesting, but also need to use artificial red measures to promote fruit coloring.