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在农业生产中,作物高额的产量是由大田群体经济产量的总和来提供的,这就不但要求组成群体的每一单株具有较高的经济产量,又要大田确有较多的单株即较大的群
In agricultural production, the high yield of crops is provided by the sum of the economic output of the Daejeon population. This not only requires that each individual plant that constitutes the population has higher economic yield, but also has more plants in the field The larger group