Depsite some of the highest yields in history, there were some expressions of disappointment with fertilizers last year. Just what actually happened in 1954? Why not in 1953? This analysis by Iowa State College soils experts indicates not only what happened, but also what to expect in the future.
Pesek, John; Nicholson, Ray; and Spies, Clifford
"What About Fertilizers in Dry Years,"
Iowa Farm Science: Vol. 9
, Article 2.
Available at: https://lib.dr.iastate.edu/farmscience/vol9/iss10/2