产生大小年的原因油茶是产量较高的木本油料,但往往产生一年多、一年少,或二年多、一年少,一年多、连续二、三年少的现象,群众通称这种现象为大小年,技术上叫结果周期。这是当前油茶生产上普遍存在的严重问题,它不是油茶本身固有的生物学规律,而是长期粗放栽培管理下产生的。油茶在长期的生长发育过程中,形成了与其它林木、果木不同的特点,即第一年的春梢,为第二年的结果枝条,花果同时存在(群众叫这现象为“抱子怀胎”),加上任何作物在营养物质的分配上都优先 The reasons for the size of the year camellia oleifera is a higher yield of woody oil, but often produce more than a year, a year or less, or more than two years, a year, more than a year, two or three years of consecutive phenomena, the masses known as this phenomenon For the size of the year, technically called the result cycle. This is a serious problem commonly encountered in the production of Camellia oleifera. It is not the inherent biological rule of Camellia oleifera, but is produced under long-term extensive cultivation and management. Camellia in the long-term growth and development process, forming with other trees, fruit trees different characteristics, that is, the first year of spring shoots, the second year as a result of twigs, flowers and fruits at the same time (the crowd called this phenomenon “spleen pregnancy ”), Plus any crop has a priority in the distribution of nutrients