Hakutulokset - "Soils Papua New Guinea Composition."
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1
Assessment of methods for measuring available nutrients in Papua New Guinea soils II : microelements, manganese, iron, copper and zinc /
Julkaistu 1990Aiheet: “…Soils Papua New Guinea Composition.…”
Kirja -
2
Assessment of methods for measuring available nitrogen, potassium, calcium, manganesium, zinc, copper, manganese and iron in soils or [sic] Papua [sic] New Guinea /
Julkaistu 1987Aiheet: “…Soils Papua New Guinea Composition.…”
Kirja