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Fertilizer used on crops and pasture in the United States : 1954 estimates
(1957)
The behavioral dimension of CO₂ fertilization effect : evidence from US harvesting records
Liu, Ziheng, (2025)
Fertilizer use statistics in crop production
Martinez, Adolfo, (1982)
Crop yield response to fertilizer in the United States
Ibach, Donald Bryan, (1968)
The economic position of fertilizer use in the United States
Ibach, Donald Bryan, (1958)
Fertilizer use in the United States : its economic position and outlook
Ibach, Donald B., (1966)