Patent ID: 7194964

Claim:
A chemical soil disinfestation method comprising: applying a fungicidally, insecticidally or nematicidally active amount of a mixture M comprising a component a) of a1) 20 to 96% by weight of sulfur, a2) 4 to 80% by weight of a complexing agent selected from the group consisting of: nonpolymeric complexing compounds: EDTA (ethylenediaminetetraacetic acid), NTA (nitrilotriacetic acid), EDDHA (ethylenediaminedi(ortho-hydorxyphenyl) acetic acid), DTPA (diethylenetriaminepentaacetic acid), HEDTA (hydorxyethylenediaminetriacetic acid), and polymeric complexing agents: polyacrylic acid and its salts, polymethacrylic acid and its salts, polymaleic acid and its salts, polyvinylpyrrolidone, copolymers of acrylic acid and maleic acid, copolymers of vinylpyrrolidone and vinyl acetate, graft copolymers of vinylpyrrolidone and C20 α-olefin, copolymers of vinylpyrrolidone and acrylic acid, copolymers of vinylpyrrolidone and dimethylaminoethyl acrylate, copolymers of methyl vinyyl ether and maleic anhydride (derivatives), copolymers of styrene and maleic anhydride, polyaspartic acid and its salts, poly-p-vinylbenzenesulfonic acid and its salts, copolymers of ethylene and/or propylene and/or isobutene and (meth)acrylic acid, modified starches, modified celluloses, alginates, liginin derivatives, chitosans, modified polysaccharides, phenolsulfonic acid formaldehyde condensates, naphthalenesulfonic acid formaldehyde condensates and, optionally, at least one crop protection agent b), and, optionally, at least one component c), to a growth substrate to be disinfested.