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  Search result  Your search for [author]Nartea, Roberto N. returned 5 records.  
 
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  Book Basic soil fertility.

by Nartea, Roberto N.; 1990.

  
     
Relevance: 18.13%
 
     
  Technical Report Greenhouse studies on the use of Philippine peats as fertilizer and soil conditioner.

by Nartea, Roberto N.; College, Laguna: UPLB, 1978. 95p. -(UPLB-PCARR Proj. No. 338).

Subject: PEAT; FERTILIZERS; SOIL CONDITIONERS; COMPOSITION; PHILIPPINES.

  
     
Relevance: 18.13%
 
     
  Thesis Potassium supplying capacity of some coconut soils in the Philippines.

by Nartea, Roberto Negranza, 1933-; 1969.

Subject: Soils -- Potassium content; Coconut.

  
     
Relevance: 17.73%
 
     
  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: 17.73%
 
     
  Book Magnesium status of some Philippine soils.

by Nartea, Roberto Negranza, 1933-;

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

  
     
Relevance: 17.73%
 
     
 
         
         
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