Macfarlane, Mary.
Assessment of methods for measuring available nutrients in Papua New Guinea soils II : microelements, manganese, iron, copper and zinc / Mary Macfarlane and Simon George. - Port Moresby : Dept. of Agriculture and Livestock, 1990. - 22 p. - Technical report (Papua New Guinea. 90/5 .
Includes bibliographical references.
998082042X
Soils--Composition.--Papua New Guinea
Soils--Composition.
Soil mineralogy--Papua New Guinea.
Soil chemistry--Papua New Guinea.
Soils--Trace element content.
Assessment of methods for measuring available nutrients in Papua New Guinea soils II : microelements, manganese, iron, copper and zinc / Mary Macfarlane and Simon George. - Port Moresby : Dept. of Agriculture and Livestock, 1990. - 22 p. - Technical report (Papua New Guinea. 90/5 .
Includes bibliographical references.
998082042X
Soils--Composition.--Papua New Guinea
Soils--Composition.
Soil mineralogy--Papua New Guinea.
Soil chemistry--Papua New Guinea.
Soils--Trace element content.