|  |  Your search for [subject]Soils -- zinc content returned 13 records. |  | 
															
								
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									|  |  |  | 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.
 
 
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									|  |  |  | Cadmium uptake by wetland rice as affected by addition of cadmium, phosphorous and zinc compounds, 1982. 
 by Chen, Huai-man.; 1982.
 
 Subject: Plants, Effects of cadmium on; Rice -- Fertilizers and manures; Soils -- Cadmium content; Soils. -- Phosphorous content; Soils. -- Zinc content.
 
 
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									|  |  |  | Zinc availability at various levels of phosphorus fertilization. 
 by Alocilja, Evangelyn Ceriales.; 1980.
 
 Subject: Soils -- Phophorus content; Soils -- Zinc content; Soil fertility.
 
 
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									|  |  |  | Evaluation of soil test methods for the analyses of zinc and boron. 
 by Castillo, Rebecca B., 1941-;
 
 Subject: Soils -- Testing; Soils -- Boron content; Soils -- Zinc content.
 
 
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									|  |  |  | Amelioration of zinc deficiency on wetland rice soil. 
 by Pagaduan, Diomedes R.; 1990.
 
 Subject: Soils -- Zinc content.
 
 
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									|  |  |  | Some factors affecting the availability of zinc in rice soils. 
 by Annapantula, Bhadrachalam,  1938-; 1969.
 
 Subject: Soils -- Zinc content; Rice.
 
 
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									|  |  |  | Zinc studies in peanuts (arachis hypogaea L.). 
 by Quintana, Romeo Urdaneta; Ann Arbor: University Microfilms.
 
 Subject: Soils -- Zinc content; Peanuts.
 
 
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									|  |  |  | Effect of Zinc on the growth of yield of rice (Oryza sativa). 
 by Inocencio, Eva J.; 1979.
 
 Subject: Rice; Soils -- Zinc content.
 
 
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									|  |  |  | Some factors affecting the availability of zinc in rice soils [microform]. 
 by Annapantula, Bhadrachalam,  1938-; Quezon City: Photoduplication Service.  University of the Philippines Library, 1977.
 
 Subject: Soils -- zinc content; Rice.
 
 
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									|  |  |  | Some factors affecting the availability of zinc in rice soils. 
 by Annapantula, Bhadrachalam, 1938-; 1960.
 
 Subject: Soils -- Zinc content; Dissertations, Academic -- Philippines.
 
 
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