论文部分内容阅读
建国以来,浙江省的油荣产量有了较大幅度的提高。产量最高的1979年,其总产量和单位面积产量分别比1951年增长1.78倍和1.2倍。六十年代以来,由于大面积推广甘兰型油菜新品种,增施肥料和改进栽培技术,油菜产量提高到了一个新水平。七十年代的平均亩产为124斤,比六十年代平均亩产84斤,增产47.62%,比五十年代平均亩产68斤,增产82.35%。杭州市郊七十年代平均亩产141斤,比六十年代增产25.89%,比五十年代增产80.77%。但是,年度之间的产量波动仍然很大。例如,1973和1975年,
Since the founding of New China, Zhejiang Province has seen a substantial increase in oil production. In 1979, with the highest output, its total output and unit area output increased 1.78 times and 1.2 times respectively over 1951. Since the 1960s, rapeseed production has been raised to a new level due to the large-scale popularization of new varieties of Canola type rape, application of fertilizers and improved cultivation techniques. The average mu production in the 1970s was 124 kilograms, 84 kilograms more than the average per mu in the 1960s, an increase of 47.62%. The average yield per mu was 68 kilos in the 1950s, an increase of 82.35%. In the seventies of Hangzhou, the average yield per mu was 141 pounds, 25.89% more than in the 1960s and 80.77% more than in the 1950s. However, there is still significant fluctuations in production between the year. For example, in 1973 and 1975,