ORIGINAL RESEARCH
		
		 
	
	
	
		Modeling Impact of Climate Change
and Management Practices on Greenhouse
Gas Emissions from Arable Soils
	
	
		Alina Syp, Antoni Faber, Jerzy Kozyra, Robert Borek, Rafał Pudełko,
Magdalena Borzęcka-Walker, Zuzanna Jarosz
		
			
			Pol. J. Environ. Stud. 2011;20(6):1593-1602
		
		
			
	
	 
	
		
		
 
		
		
	
			ORIGINAL RESEARCH
		
		 
	
	
	
		Sequestration of Humus Compounds in Soils
of Northeastern Poland
	
	
		Sławomir Smólczyński, Barbara Kalisz, Mirosław Orzechowski
		
			
			Pol. J. Environ. Stud. 2011;20(3):755-762