TY  - BOOK
AU  - Cook, R.L. 
AU  - Millar, C.E.
TI  - Plant nutrient deficiencies: diagnosed by plant symptoms, tissue tests, soil tests
PY  - 1949///
CY  - Michigan
PB  - Agricultural Experiment Station, Michigan State Colllege
KW  - Crops--Effect of minerals on Crops--Nutrition
ER  -