Florence: Scientific vision heals soil at home and abroad

The parcel is sent express. A box of soil in Africa is packed in dry ice and delivered overseas, arriving in Canada in a day and a half. Derek Peak’s name is written all over it.
Peak is a soil scientist. He is a prof in the College of Agriculture and Bioresources at the University of Saskatchewan and has been for 15 years. When he was in Nigeria doing field-work, arrangements were made with DHL courier services to send soil samples to Saskatoon for closer study.
In a world of sun, water a