A kind of compound herbicide suitable for the planting of turnip and alfalfa in Huanghuaihai region
A herbicide, regional technology, applied in herbicides and algicides, chemicals for biological control, plant growth regulators, etc. The effect of manufacturing and use safety, improving reaction speed and reducing environmental pollution
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Embodiment 1
[0045] The compound herbicide is composed of raw materials: 4wt% of biochemical fulvic acid, 4wt% of imazamox, 1wt% of clethodim, and 91wt% of auxiliary agent. Its preparation method is as follows:
[0046] (1) Naturally dry the edible mushroom residue or wood residue to a water content below 15%, and crush it to a particle diameter of 0.1-0.3mm; add 15wt% peroxide in 5 equal amounts according to the ratio of 1:3 (w / v) Hydrogen, and after adding hydrogen peroxide for the first time, add catalyst manganese dioxide according to the ratio of 20:1 (v / w), fully stir for 6-8h until the foam disappears; fully stand for more than 24h, and spray dry the liquid after solid-liquid separation , that is biochemical fulvic acid.
[0047] (2) Dissolve clethodim 1wt%, xylene 1wt%, Termul 2002wt%, Termul 12833wt%, butanol 1wt% into a homogeneous oil phase, add in the reactor with high-shear emulsifier; Tobacco 4wt%, biochemical fulvic acid 4wt%, polyvinyl alcohol 2wt%, ethylene glycol 5wt%, ...
Embodiment 2
[0059] A compound herbicide, the raw material composition is: biochemical fulvic acid 8wt%, imazamox 4wt%, clethodim 3wt%, adjuvant 85wt%. Its preparation method is as follows:
[0060] (1) Naturally dry furfural residue or xylose residue until the water content is less than 15%, and crush until the particle diameter is 0.1-0.3mm. According to the ratio of 1:2 (w / v), add 15wt% hydrogen peroxide in 4 equal amounts, and after adding hydrogen peroxide for the first time, add the catalyst manganese dioxide according to the ratio of 30:1 (v / w), stir well 6h-8h until the foam disappears. Fully stand for more than 24 hours, and after solid-liquid separation, the liquid is spray-dried to obtain biochemical fulvic acid.
[0061] (2) Add 3wt% of clethodim, 3wt% of xylene, 10wt% of PE 6400, and 5wt% of ethanol into a reaction kettle with stirring function, dissolve and mix to obtain a transparent oil phase; add 4wt% of imazamox, biochemical yellow Dissolve humic acid 8wt%, ethylene gl...
Embodiment 3
[0074] The compound herbicide is composed of raw materials: biochemical fulvic acid 5wt%, imazethapyr 4wt%, clethodim 5wt%, adjuvant 86wt%. The auxiliary agent is composed of: xylene 5wt%, Termul 2002wt%, Termul 12833wt%, butanol 1wt%, polyvinyl alcohol 2wt%, ethylene glycol 5wt%, organosilicone 0.05wt%, water balance. The preparation method is the same as in Example 1.
[0075] The compound herbicide of embodiment 3 is according to 1800ml / hm 2 Dosage, add water 225kg / hm 2 , after fully stirring, after 16:00 in the ridge-sealing period of aquamarine and alfalfa, and when there is no rainfall within 8 hours after the application, uniform spraying is carried out according to conventional techniques in the art.
[0076] The field test result of embodiment 3:
[0077] Comparative example: same as the comparative example of Example 1, the consumption of clethodim, imazamox, biochemical fulvic acid, clethodim+imazethapyr and water is the same as that of Example 3.
[0078] The t...
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