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制造高级茶,就需要优质的鲜叶。为了改良茶叶品质,除选择适宜的气候条件,改善栽培管理,包括施肥及各种采摘方法外,而且需要改良茶树的遗传性。近来,在茶树栽培方面,采用无性凡殖品种正逐渐取代传统的种子凡殖品种。这已使绿茶品质得到很多改良。1973年,无性凡殖品种的茶园达到日本茶园总面积的36％。无性
To make high tea, you need good quality fresh leaves. In order to improve the quality of tea, in addition to selecting suitable climatic conditions, improving cultivation and management, including fertilization and various picking methods, it is also necessary to improve the heredity of tea trees. Recently, in the cultivation of tea trees, asexual varieties are gradually replacing the traditional varieties of seeds. This has greatly improved the quality of green tea. In 1973, asexual varieties of tea plantations reached 36% of the total area of Japanese tea plantations. Asexual