TY  - BOOK
AU  - Soil Water and Plant Analyses Workshop , Riyadh Arabia, Oct.
TI  - Proceedings
U1  - 631.41 S60P 
PY  - 1977///
PB  - Ministry of Agriculture and Water
KW  - PLANT - SOIL RELATIONSHIPS CONGRESSES
KW  - SOIL CHEMISTRY - CONGRESSES
KW  - SOIL RESEARCH - CONGRESSES
ER  -