Compendium of cotton diseases
WATKINS, G. M.
Compendium of cotton diseases - Minnesota APS PRESS 1981 - 87p.
0-89054-031-4
coton
maladie du coton
afrique tropicale
Compendium of cotton diseases - Minnesota APS PRESS 1981 - 87p.
0-89054-031-4
coton
maladie du coton
afrique tropicale