农药 田间药效试验准则 第38部分：杀线虫剂防治作物线虫病（根结线虫、根腐线虫、茎线虫）

Pesticide—Guidelines for the field efficacy trials—Part 38：Nematicides against root-knot nematode disease (root-knot nematodes, root lesion nematodes, stem nematodes)