Effects of freeze-thaw on soil nitrogen and phosphorus availability at the Keerqin Sandy Lands, China

2008 ◽  
Vol 19 (1) ◽  
pp. 44-48 ◽  
Author(s):  
Qiong Zhao ◽  
De-hui Zeng ◽  
Zhi-ping Fan
Author(s):  
Maria Isidória Silva Gonzaga ◽  
José Carlos de Jesus Santos ◽  
André Quintão de Almeida ◽  
Kássio da Ros ◽  
Wallace Melo Santos

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