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茶树是多年生常绿深根叶用植物,其长势强弱和产量高低并不是取决于生物年龄,而主要是受栽培管理水平和采摘方法所制约。实行科学管理,就能达到持续高产稳产优质,否则就会逐渐成为衰退低产茶园。我所经多年低改试验,在七十年代提出的改树、改土、改园、改善管理和采摘方法等“四改”措施,各地推广运用效果很好。为了使“四改”措施进一步广泛应用,笔者再从茶树生理特性来讨论低产茶园的改造措施。
Tea tree is a perennial evergreen deep-rooted leaves plant, its growing strength and yield level does not depend on the biological age, but mainly by the cultivation and management level and picking methods constraints. The implementation of scientific management, will be able to achieve sustained high-yielding and stable quality, otherwise it will gradually become a recession and low yield tea garden. After many years of low-replacement tests, the “four changes” measures put forward in the 1970s such as changing trees, improving soil, rehabilitating parks, improving management and picking methods all have good results in popularization and application. In order to make “four changes” measures further widely used, the author from the physiological characteristics of tea to discuss the transformation of low-yielding tea plantation measures.