The invention relates to a weeding
powder for preventing
tillage deterioration. The weeding
powder is prepared from the following medicinal materials in parts by weight: 70 to 80 parts of
sapindus episperm extracting solution, 65 to 75 parts of Japanese glorybower, 53 to 63 parts of syringa oblate, 46 to 56 parts of
petroleum ether, 39 to 49 parts of walnut
tree root, 31 to 41 parts of
medicago sativa, 24 to 34 parts of
triethanolamine, 18 to 28 parts of fragrant
eupatorium herb extracting solution, 10 to 20 parts of
calcium acetate, 10 to 20 parts of compound
enzyme, 7 to 17 parts of vitexicar-pin, 6 to 16 parts of
potassium dodecyl sulfate, 5 to 15 parts of
maltodextrin, 3 to 13 parts of parthenium hysterophorus, 1 to 10 parts of secondary
alkyl sodium sulfonate, 2 to 12 parts of
karaya gum and 3 to 13 parts of common nepenthes. The invention also discloses a preparation method. The weeding
powder has the advantages that by compounding the raw materials, the water
solubility is good; the weeding powder can be singly used or compounded with other weeding agents, the efficiency is high, the environment-friendly effect is realized, and the easiness in producing resistance is avoided; the weeding powder can be completely degraded in soil, and the safety to crops is good.