TY  - RE
AU  - Vroomen,H.
TI  - Fertilizer use and price statistics 1960-88
T2  - USDA Statistical Bulletin
PY  - 1989///
CY  - Washington, DC (USA)
PB  - USDA. Economic Research Service, 
KW  - Fertilizer application
KW  - Gossypium
KW  - Phosphate fertilizers
KW  - Potash fertilizers
KW  - Prices
KW  - Soybeans
KW  - USA
KW  - Triticum aestivum
KW  - AGROVOC
KW  - Zea mays
KW  - Nitrogen fertilizers
N1  - Tables, graphs, references p. 8, appendices
ER  -