Is it Time To Let Go of Synthetic Nitrogen Fertiliser?

By Pauline Kairu In the first decade of the 20th century, two German chemists Fritz Haber and Carl Bosch developed a way to produce synthetic nitrogen cheaply and on a large scale. The agricultural industry fell in love with the chemical. Today, according to the United Nations, approximately 250 million tonnes of nitrogen are used around the world. Now, experts say, nitrogen, which is ubiquitous…