TY  - BOOK
AU  - Macfarlane,Mary
AU  - George,Simon
ED  - Papua New Guinea. Department of Agriculture and Livestock.
TI  - Assessment of methods for measuring available nutrients in Papua New Guinea soils II: microelements, manganese, iron, copper and zinc 
SN  - 998082042X
PY  - 1990///
CY  - Port Moresby
PB  - Dept. of Agriculture and Livestock
KW  - Soils
KW  - Papua New Guinea
KW  - Composition
KW  - Soil mineralogy
KW  - Soil chemistry
KW  - Trace element content
N1  - Includes bibliographical references
ER  -