科技兴农需先行科技──兼论农业科研单位的社会功能周广春，王孝甲，王晓利，张伟，王俊杰（九三学社吉林市农科院支社）早在１９５７年孙文本同志研究提出了“８亿人口是我国最合适的人口数量”；１９８８年石玉林等研究得出了“１５亿人口是我国土地人口承载的极限”。... Science and Technology to Promote Agriculture through Science and Technology -With Discussion on the Social Functions of Agricultural Research Units Zhou Guangchun, Wang Xiajia, Wang Xiaoli, Zhang Wei and Wang Junjie (Jiu San Society, Jilin Academy of Agricultural Sciences Branch) As early as 1957, Comrade Sun Wenben proposed that “800 million people are China's most suitable population ”; 1988 Shi Yulin and other studies have drawn“ 1.5 billion population is the limit of China's land population. ” ...