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Your search for [author]Nartea, Roberto Negranza, 1933- returned 3 records. |
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Potassium supplying capacity of some coconut soils in the Philippines.
by Nartea, Roberto Negranza, 1933-; 1969.
Subject: Soils -- Potassium content; Coconut.
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Potassium supplying capacity of some coconut soils in the Philippines [microform].
by Nartea, Roberto Negranza, 1933-; Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Subject: Soils -- Potassium content; Coconut.
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Magnesium status of some Philippine soils.
by Nartea, Roberto Negranza, 1933-;
Subject: Soils -- Philippines; Soils -- Magnesium content.
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