在地球环境被严重污染的今天,土地沙漠化,水资源匮乏,农药、化肥的过度滥用,不少作物品性退化……这使一些有识之士把眼光投向茫茫太空。其实,早在人类步入太空之前的1960年,前苏联的一些科学家就让一些植物成了“太空娇客”。如在那年8月19日发射的、重达4.6吨的“卫星式宇 At a time when the earth’s environment is seriously polluted, land desertification, water scarcity, excessive abuse of pesticides and fertilizers, and the degradation of many crop qualities ... have led some people of insight to look into the boundless space. In fact, as early as 1960 before humans entered space, some scientists in the former Soviet Union made some plants ”space jews." As launched on August 19 that year, weighing 4.6 tons of satellite space