scholarly journals Inorganic phosphorus fractions and humic acid carbon to fulvic acid carbon ratios as differentiae for selected Alfisols and Mollisols

Author(s):  
Winston Edward Hobson
Author(s):  
Wenli Zhang ◽  
Caibin Li ◽  
Guitong Li ◽  
Qimei Lin ◽  
Xiaorong Zhao ◽  
...  

2013 ◽  
Vol 60 (2) ◽  
pp. 251-263 ◽  
Author(s):  
Ebrahim Adhami ◽  
Hamid Reza Owliaie ◽  
Roya Molavi ◽  
Najafali Karimain

Author(s):  
Paulo Roberto da Rocha Junior ◽  
Paulo Henrique Ribeiro ◽  
Luiz Felipe Mesquita ◽  
Felipe Vaz Andrade ◽  
Eduardo de Sá Mendonça

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