农业产量是以单位土地面积計算的,是从一羣植物的总和着眼的,而过去植物生理研究主要是以个体为对象,因此很多地方就接不起头来。通过两年来总結农业丰产經驗的工作,使我們所中同志初步建立起来羣体生理的一些概念,摸索了一些方法,指导了一些工作,亦闡明了一些农业生产上的問題,把某些經驗 Agricultural production is measured in terms of unit of land area and is based on the sum of a group of plants. In the past, plant physiology research was mainly conducted on an individual basis, so many areas could not be completed. After two years of work on summarizing the experience of agricultural bourgeois production, we have tentatively established some concepts of group physiology among our comrades, have explored some methods, have guided some work, and have also clarified some problems in agricultural production. Some experiences