TY  - PC
AU  - Parks,W.L.
AU  - Safley,L.
TI  - Corn yields with fertilizer rates from zero to high [twenty years of data, Tennessee]
SN  - 0006-0089
U1  - 83-937560 
PY  - 1982///
KW  - Fertilizers
KW  - AGROVOC
KW  - Fertilizers and manures general
KW  - Maize
KW  - Plant production
KW  - Tennessee
KW  - Zea mays
KW  - Soil fertility
N1  - ill
T2  - Better Crops With Plant Food
ER  -