RU
			
			
			Predvaritel'nye rezul'taty issledovanija voevodskimi agrohimicheskimi stancijami soderzhanija mikroelementov v pochvah Pol'shi. Chast' I. Soderzhanie usvojaemyh form mikroelementov V, Cu, Mn, Mo i Zn v pahotnom sloe pochv
		 
		
	
		
			
				EN
			
			
			Preliminary results of investigations of provincial agricultural chemistry stations on the content of trace elements in Polish soils. Part I. The content of available forms of trace elements (B, Cu, Mn, Mo, Zn) in arable soil layer