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View Zinc deficiency of field and vegetable crops in the West By Frank G. Viets 
Zinc deficiency of field and vegetable crops in the West
By Frank G. Viets
View Crop requirements of zinc and projected demands in Pakistan for the period 1979/80 to 1985/86 By Göte O. B. Bertilsson
Crop requirements of zinc and projected demands in Pakistan for the period 1979/80 to 1985/86
Crop requirements of zinc and projected demands in Pakistan for the period 1979/80 to 1985/86
By Göte O. B. Bertilsson
View Zinc in soils and plants By International Symposium on "Zinc in Soils and Plants" (1993 University of Western Australia) 
Zinc in soils and plants
By International Symposium on "Zinc in Soils and Plants" (1993 University of Western Australia)
View Ponderosa pine annual growth rings as monitors of zinc, lead, & cadmium in the Coeur d'Alene-Spokane River system, Idaho, U.S.A By John C. Schaumloffel
Ponderosa pine annual growth rings as monitors of zinc, lead, & cadmium in the Coeur d'Alene-Spokane River system, Idaho, U.S.A
Ponderosa pine annual growth rings as monitors of zinc, lead, & cadmium in the Coeur d'Alene-Spokane River system, Idaho, U.S.A
By John C. Schaumloffel