论文部分内容阅读
单位面积产糖量取决于甜菜肥大直根产量及其含糖率。提高甜菜根中含糖率,乃是提高甜菜经济效益的积极有效措施。文献指出,甜菜根中含糖率受气象因素的左右很大。摸索出这些规律,趋利避害,采取相应措施,以达高产高糖之目的,进而提高经济效益。 本文仅就1965～1982年齐齐哈尔市甜菜含糖率与气象因素之间的关系,试图摸索出这一地区甜菜含糖的气象指标与测报甜菜含糖率的模式。
The yield of sugar per unit area depends on the yield of beet root and its sugar content. Increasing the sugar content in beetroot is a positive and effective measure to improve the economic efficiency of sugar beet. The literature points out that the sugar content in beetroot is greatly influenced by weather factors. Explore these rules, profit avoidance, to take appropriate measures to achieve the purpose of high yield and high sugar, thereby increasing economic efficiency. This paper only on the relationship between the sugar content of sugar beet in Qiqihar City and meteorological factors from 1965 to 1982, trying to find out the meteorological index of sugar beet in this area and the mode of measuring the sugar content of beet.