【摘要】 在一定条件下,油菜冬前生长愈好,春后产量愈高,这是冬油菜的重要高产规律。回顾这一规律的研究与应用过程:通过大量的田间调查研究发现规律,通过小区控制试验和统计分析方法进一步证实,并在指导各地大面积高产实践中加以验证。揭示该规律内部各事物之间的本质联系及内在的生物学基础。更多还原

【Abstract】 The more vegetable the oilseed rape thrives before winter, the more seed yield is harvested after spring under certain condition. This is an important high - yield law for winter rape. As for the condition,it means the integration of climate,cultivar and cultivating technology. Science is the process of drawing sufficient conclusion from experimental data and fact. Law is just links among the essences of things.The law of high- yield in oilseed rape has dependable foundation,and also is tested and verified through field experiments and high - yield practice.更多还原