Silymarin field herbicide and preparation and use method thereof
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A herbicide, milk thistle technology, applied in herbicides and algicides, botanical equipment and methods, applications, etc., can solve the problems of large environmental impact, poor stability, short duration of effect, etc., and achieve good control effect. , low cost, simple use effect
Active Publication Date: 2014-08-06
哈尔滨利民农化技术有限公司
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[0004] The present invention aims to solve the problems of poor stability, low control effect, short duration and great impact on the environment of existing milk thistle field herbicides, and provides a milk thistle field microcapsule suspension herbicide and its preparation and Instructions
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specific Embodiment approach 1
[0017] Specific embodiment one: a kind of milk thistle field herbicide according to the present embodiment consists of 1-80 parts of metolachlor, 1-70 parts of pendimethalin, and 1-60 parts of xylene , 0.5-10 parts of triethanolamine, 0.5-20 parts of Nongru 1601, 0.5-10 parts of emulsifier NP-7, 0.1-5 parts of emulsifier T-20, 0.1-5 parts of emulsifier S-80 , 0.5-20 parts of urea-formaldehyde glue, 0.1-5 parts of sodium dodecylbenzenesulfonate, 0.5-20 parts of ethylene glycol, 0.1-5 parts of silicone defoamer and 5-60 parts of deionized water composition.
specific Embodiment approach 2
[0018] Specific embodiment two: the milk thistle herbicide of the present embodiment consists of 20 to 50 parts of metolachlor, 10 to 40 parts of pendimethalin, 5 to 40 parts of xylene, 2 parts by weight. ~8 parts of triethanolamine, 2~10 parts of Nongru 1601, 1~5 parts of emulsifier NP-7, 1~3 parts of emulsifier T-20, 1~3 parts of emulsifier S-80, 5 parts ~10 parts of urea-formaldehyde glue, 0.2-2 parts of sodium dodecylbenzenesulfonate, 5-10 parts of ethylene glycol, 0.2-2 parts of silicone defoamer and 10-40 parts of deionized water .
specific Embodiment approach 3
[0019] Specific embodiment three: the milk thistle field herbicide of the present embodiment consists of 35 parts of metolachlor, 15 parts of pendimethalin, 10 parts of xylene, 3 parts of triethanolamine, 5 parts by weight. Parts of Nongru 1601, 2 parts of emulsifier NP-7, 2 parts of emulsifier T-20, 2 parts of emulsifier S-80, 7 parts of urea-formaldehyde gum, 0.5 parts of sodium dodecylbenzenesulfonate , 6 parts of ethylene glycol, 0.5 parts of silicone defoamer and 12 parts of deionized water.
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Abstract
The invention relates to a silymarin field herbicide and a preparation method and a use method thereof relates to a weeding composition and a preparation method and a use method thereof, and aims to solve the technical problem that an existing silymarin field herbicide is poor in long residual action. The silymarin field herbicide is composed of metolachlor, pendimethalin, dimethylbenzene, triethanolamine, farming milk 1601, NP-7, T-20, S-80, urea-formaldehyde glue, sodium dodecyl benzene sulfonate, ethylene glycol, organic silicon defoamer and deionized water. The preparation method comprises the following steps: firstly adding the pendimethalin, the metolachlor, the dimethylbenzene, the triethanolamine, the farming milk 1601, the NP-7, the T-20, the S-80 and the deionized water into a high shear kettle for shearing, adding the urea-formaldehyde glue into a reaction kettle for shearing, adding the sodium dodecyl benzene sulfonate for shearing, transferring to a stirring kettle, adding the ethylene glycol and the organic silicon defoamer, warming and stirring to obtain the herbicide. The use method is as follows: the soil sealing treatment is carried out after silymarin is planted and before seedlings grow.
Description
technical field [0001] The present invention relates to herbicidal compositions and methods for their preparation and use. Background technique [0002] Milk thistle belongs to the family Asteraceae and is a 1 to 2-year-old herb. Achene is used as medicine, and its active ingredient silymarin (Sily-marin) has multiple functions such as protecting the liver and gallbladder, protecting the brain, anti-cancer and radiation protection. Milk thistle oil contains a variety of unsaturated fatty acids and has high nutritional and medicinal value. The milk thistle meal after extracting silymarin has high protein content and rich amino acid, which can be developed as emulsifier and food additive. According to incomplete statistics, in 2010, the planting area of milk thistle in China reached 500,000 mu, of which Heilongjiang and Inner Mongolia have the largest planting areas. There have been many research reports on artificial cultivation techniques of milk thistle, but few studie...
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