TY  - GEN
AU  - 
AU  - Kitchen, H.B., ed.
TI  - Diagnostic techniques for soils and crops: Their value and use in estimating the fertility status of soils and nutritional requirements of crops
PY  - 1948///
CY  - Washington
KW  - Soils
KW  - Fertility
KW  - Nutritional Requirements
ER  -