Living laboratory for coping with drought in Brazil
The first surprise on arriving at Abel Manto’s farm is how green it is, in contrast with the dry brown surroundings. His beans and fruit trees seem oblivious to the persistent drought in the semi-arid hinterland of northeast Brazil, the worst in 50 years.
July 29, 2013
Farming faces phosphate shortfall
Global reserves of phosphorous, essential for agriculture, could run out in 60 to 100 years, warn experts. [According to a related paper, phosphorous has already passed its peak of production.]
October 17, 2007