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大跃进以来,农业生产中羣体概念的形成与发展,已为广大农业科学工作者所重视。作物栽培是以发展羣体生产力为最终目的。在稀植情况下,栽培技术水平也比较低,提高单位面积产量主要从个体生产力着眼,羣体概念模糊,对羣体结构更缺乏明确认识。推行密植栽培技术起到了显著增产作用,特别在贯徹以密植为中心的农业“八字宪法”以后,个体与羣体的关系复杂化起来,有关作物羣体的研究,便提到日程上来。这是我国作物栽培学和作物生理学研究的新发
Since the Great Leap Forward, the formation and development of group concepts in agricultural production have been paid great attention to by agricultural scientists. Crop cultivation is based on the development of community productivity for the ultimate goal. Under rare planting conditions, the cultivation techniques are also relatively low. Increasing the yield per unit area mainly focuses on individual productivity, while the concepts of groups are vague and lack of a clear understanding of the group structure. The implementation of close planting has played a significant role in increasing production. After carrying out the “eight-character constitution” of agriculture centered on close planting, the relationship between individuals and groups is complicated. Studies on crop groups have been brought to the agenda. This is a new development of crop cultivation and crop physiology in China