着色优劣是衡量红富士苹果质量高低的重要指标之一。着色的好坏,不仅与采前的管理有直接关系,而且与当年整形修剪、肥水管理、果品套袋等密切相关。为促进红富士苹果着色,在管理上应注意以下几 Coloring pros and cons is a measure of the quality of Red Fuji apple one of the important indicators. Color is good or bad, not only has a direct relationship with the pre-harvest management, but also with the year plastic trim, fertilizer and water management, fruit bagging are closely related. To promote the red Fuji apple coloring, the management should pay attention to the following