1789年,英国人口学家马尔萨斯的人口理论客观提醒人们人口增长速度要远远高于粮食增长速度,要防止人口过快增长。1905年,德国人哈伯发明的工业合成氨技术打破了人们对粮食的担忧。后来有专业人士推算,地球上大约有48%的人口是由合成氨技术增产的粮食养活。肥料为人类生产、生活做出巨大贡献,但目前肥料行业也面临环境问题、 In 1789, Malthusian population theory of the British demographer objectively reminded people that the rate of population growth should be much faster than the rate of grain growth and to prevent the population from growing too fast. In 1905, the industrial ammonia technology invented by German Haber broke the concerns of people. Later, experts have calculated that about 48% of the Earth’s population is raised by the ammonia technology to feed the grain. Fertilizer for human production, make a significant contribution to life, but the fertilizer industry is also facing environmental problems,