The effects of soil fumigation and nitrogen fertilizers on nematodes and sugar beet in sandy soils.
D005308:Fertilizers; D005651:Fumigation; D006846:Hydrocarbons, Halogenated / Q000494:pharmacology*; D009348:Nematoda / Q000187:drug effects*; D009584:Nitrogen / Q000494:pharmacology*; D010935:Plant Diseases; D010945:Plants, Edible / Q000187:drug effects*
D005308:Fertilizers; D006846:Hydrocarbons, Halogenated; D009584:Nitrogen