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油茶是我国主要的木本油料树种之一,南方15个省区1100多个县市都有分布。目前,油茶林经营技术水平普遍较低,林相不好,产量低而不稳。油茶林低产的因素很多,常可归纳为“老、杂、残、稀、荒、病、虫、劣”八个字,概括为四个原因:一是结果率太低;二是营养生长与生殖生长失调;三是存在大量的低产劣株;四是水肥供应不足。只要改变上述状况,油茶丰产就有希望。现谈“四改”技术意见。
Camellia oleifera is one of the main woody oilseeds in China. There are over 1,100 counties and cities in 15 provinces and autonomous regions in the south. At present, the technical level of Camellia oleifera forest is generally low, the forest phase is not good, the output is low and unstable. Camellia oleifera low yield many factors often can be summarized as “old, miscellaneous, residual, dilute, shortage, disease, insects, poor” eight words, summarized for four reasons: First, the result rate is too low; Second, vegetative growth and Reproductive growth disorders; Third, there are a large number of low-yielding strains; Fourth, inadequate supply of water and fertilizer. As long as the change of the above conditions, there is hope for high yield of Camellia oleifera. Now talk about “four changes” technical advice.