Author J. Szymona

 
ORIGINAL PAPER
 

Plant protection means applied in organic farms

Journal of Research and Applications in Agricultural Engineering 2009;54(4):137-139
 
ORIGINAL PAPER
 

Evaluation of spring wheat varieties in the aspect of organic production's usefulness

Journal of Research and Applications in Agricultural Engineering 2011;56(4):148-151
 
ORIGINAL PAPER
 

Causes of not allowed pesticide residues in plant material of origin of organic strawberries

Journal of Research and Applications in Agricultural Engineering 2012;57(4):138-140
 
ORIGINAL PAPER
 

Problem of chemical plant protection products' residues in organic raw material

Journal of Research and Applications in Agricultural Engineering 2010;55(4):146-149
 
ORIGINAL PAPER
 

Study of organic farming conditions - example of selected farms

Journal of Research and Applications in Agricultural Engineering 2010;55(4):142-145
 
eISSN:2719-423X
ISSN:1642-686X
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