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	1.	Diagnostic techniques for soils and crops, their value and use in estimating the fertility status of soils and nutritional requirements of crops. Prepared by Firman E. Bear [and others] Ed. by Hermine Broedel Kitchen. by Bear, Firman E. (Firman Edward), 1884-1967 Kitchen, Herminie Broedel, 1901- [ed.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, American Potash Institute [1948] Availability: No items available. Add to cart (remove)
	2.	Hunger signs in crops; a symposium, prepared by Firman E. Bear [and others. by American Society of Agronomy Bear, Firman E. (Firman Edward), 1884-1967 National Fertilizer Association (1925- ) Edition: Rev., i.e. 2d, ed.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, American Society of Agronomy and National Fertilizer Association [1949] Availability: No items available. Add to cart (remove)

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