FIELD: agriculture.;SUBSTANCE: invention relates to application of sodium lignosulfonate, which represents waste from bisulfite pulping, as nematocide agent against potato root eelworm. Agent of present invention males it possible to increase tuber amount by 9.6 % and tuber weight by 13.3 %.;EFFECT: improved nematocide agent against potato root eelworm.;2 tbl, 2 ex
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机译：技术领域本发明涉及木质素磺酸钠的应用，该木质素磺酸钠是来自亚硫酸氢盐制浆的废物，作为杀马铃薯线虫的杀线虫剂。本发明的雄性药剂可以使块茎数量增加9.6％，块茎重量增加13.3％。效果：改良的杀线虫剂对马铃薯根部线虫的危害。2 tbl，2 ex
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