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  Search result  Your search for [subject]Soils -- Manganese content returned 3 records.  
 
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  Thesis Iron, manganese and zinc amelioration on the yield and quality of Burley tobacco (Nicotiana tabacum cv. Burley 21) grown under field condition.

by De Vera, Emil P. (Emil Pimentel).; 1982.

Subject: Tobacco -- Fertilizers and manures; Soils -- Iron content; Soils -- Manganese content; Soils -- Zinc content.

  
     
Relevance: 30.01%
 
     
  Book Manganese-phosphorus interactions in soils and in soybean (Glycine max. Merrill).

by Supa-Udomlerk, Boonrawd, 1939-;

Subject: Soils -- Manganese content; Soils -- Phosphorus content; Soybean -- Fertilizers and manures.

  
     
Relevance: 27.47%
 
     
  Thesis Iron and manganese nutrition relationship in rice grown in the Philippines.

by Ayyangar, R. Seshadri, 1940-; 1967.

Subject: Rice; Soils -- Iron content; Soils -- Manganese content.

  
     
Relevance: 26.06%
 
     
 
         
         
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