为什么要强调田间选种?毛主席教导我们:“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成。”良种是农作物增产的物质基础。如果种子混杂退化,势必丧失良种的丰产性能,影响产量。当前,农作物秋收在即,正是田间选种的大好时机,我们应当抓住这个时机,认真搞好田间选种工作。为什么一定要强调田间选种呢?收获前进行田间选种,可以根据各个良种的典型性状,如 Why should we emphasize the field selection? Chairman Mao taught us: “With excellent varieties, that is, without increasing labor, fertilizer, but also get more harvest.” Improved varieties of crops is the material basis for increasing production. If the seed is mixed and degenerated, it will inevitably lose its high yielding performance and affect the yield. At present, the harvest of crops is coming soon, and it is a golden opportunity for seed selection in the field. We should seize this opportunity and do a good job in field selection work. Why must we emphasize field selection? Field selection before harvest, can be based on the typical traits of each species, such as