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  Search result  Your search for [author]Nartea, Roberto Negranza, 1933- returned 3 records.  
 
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  Thesis Potassium supplying capacity of some coconut soils in the Philippines.

by Nartea, Roberto Negranza, 1933-; 1969.

Subject: Soils -- Potassium content; Coconut.

  
     
Relevance: 35.75%
 
     
  Visual Material 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.

  
     
Relevance: 35.75%
 
     
  Book Magnesium status of some Philippine soils.

by Nartea, Roberto Negranza, 1933-;

Subject: Soils -- Philippines; Soils -- Magnesium content.

  
     
Relevance: 35.75%
 
     
 
         
         
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