On the value of some non-nitrogenous fertilizers as Ascaris ovicides.
D001200:Ascaris / Q000187:drug effects*; D005260:Female; D005308:Fertilizers; D010063:Ovum / Q000187:drug effects; D010575:Pesticides; D011188:Potassium / Q000494:pharmacology*
D005308:Fertilizers; D010575:Pesticides; D011188:Potassium