近几年来，红富士苹果已成为梁山县的苹果园主栽品种。但是，在生产中普遍存在果实着色差的问题，严重影响了该品种的商品价值。１９９５～１９９７年，我们进行了红富士苹果果实增色研究，取得了良好效果。现将其技术措施介绍如下：１控氮增钾、合理施肥采果后深翻扩穴，... In recent years, Red Fuji apple has become the main varieties of apple orchards in Liangshan County. However, the problem of poor coloring of fruits is widespread in production, which seriously affects the commodity value of this variety. From 1995 to 1997, we conducted a research on the enhancement of the fruit of Red Fuji apple and achieved good results. Now the technical measures are introduced as follows: 1 nitrogen control by potassium, fertilize the fruit after a deep plowing diversion point, ...