The Fuji, Ralls and Golden Delicious of apple varieties, 120 samples were collected from 20 orchards in Yanshan mountain area and the leaf n, p, K contents were analyzed.
采集了燕山山区20个苹果园富士、国光和金冠等品种的120份叶样,对叶片中氮、磷和钾含量进行了分析。
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Hanfu is a cold-resistant and high-quality apple variety, Its quality is similar to that of Fuji apple, and its cold resistant and adaptability obviously exceed that of Ralls apple.