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一个品种的产量高低主要取决于品种的内外因条件,内因就是该品种的遗传性状,外因即品种种植的环境条件,而经济性状是在一定环境下内外因互作的表现。在认识内到的同时,如果了解了内外因的关系及它们的相关程度,对更好地评定品种和充分发挥其增产潜力等方面是具有重要意义的。本文
The yield of a variety depends mainly on the internal and external conditions of the variety. The internal cause is the genetic trait of the variety. The external cause is the environmental conditions for cultivating the varieties. The economic traits are the performance of internal and external interactions under certain circumstances. While understanding the inside, understanding the relationship between internal and external causes and their degree of correlation is of great significance to better assessing varieties and giving full play to their potential for increasing yield. This article