TY  - BOOK
AU  - Welch, R.M
TI  - Crops as sources of nutrients for humans: proceedings
T2  - ASA special publication
SN  - 0891180796
U1  - 641.1 
PY  - 1984///
CY  - Madison
PB  - Soil Science Society of America
KW  - Food & Drink
ER  -