Author A. Borowik

 
ORIGINAL PAPER
 

Biological effects of L-tryptophan and the vaccine azotobakteryna in soil

Journal of Research and Applications in Agricultural Engineering 2013;58(4):238-241
 
ORIGINAL PAPER
 

Biological effects produced by urea phosphate in soil

Journal of Research and Applications in Agricultural Engineering 2013;58(4):25-28
 
eISSN:2719-423X
ISSN:1642-686X
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