TY  - BOOK
AU  - Cottenie, A.
TI  - Soil and plant testing as a basis of fertilizer recommendations
T2  - FAO Soils Bulletin, 38/2
U1  - 631.427.3' .816(047) M0 
PY  - 1980///
CY  - Rome
PB  - FAO
KW  - A. Cottenie
KW  - Soil chemistry,Fertilizers and manures
ER  -