| 摘要 |
This invention relates to inhibiting leaching of crop treating chemicals into the ground water, aqua-system and surrounding soil of the treatment site by contacting the plant or plant site with an effective leach inhibiting, plant tolerating amount of a protein or carbohydrate derived polymer containing pendant hydroxy and secondary, tertiary or quaternized amino groups defined by the formula (* CHEMICAL STRUCTURE *) A (* CHEMICAL STRUCTURE *) (* CHEMICAL STRUCTURE *) R is hydrogen or methyl; R1, R2 and R3 are each selected from the group of hydrogen and C1 to C20 alkyl, with the proviso that, in the above formula A, at least one of R1 and R2 or at least one of R1, R2 and R3 is other than hydrogen; X- is an anion; a has a value of from 0 to 20 and b has a value of from 2 to 18.
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