Special herbicide for grassy weeds

Abstract

The invention relates to the technical field of herbicides and particularly relates to a special herbicide for grassy weeds. The special herbicide comprises the following components in parts by weight: 5-8 parts of anhydrous manganese sulfate, 10-12 parts of sodium sulfide, 0.2-0.3 part of scopolamine, 6-8 parts of calamus oil, 1.5-2.3 parts of dodecyl dimethyl betaine and 5-10 parts of sodium tripolyphosphate. The special herbicide is prepared by the following steps: mixing a mixture of anhydrous manganese sulfate, sodium sulfide, scopolamine, dodecyl dimethyl betaine and sodium tripolyphosphate with water in a weight ratio of 1 to 10, and stirring until dissolving, so as to obtain a water solution; mixing calamus oil with ethanol in a weight ratio of 1 to 10, and stirring until dissolving, so as to obtain an ethanol solution; and mixing the water solution with the ethanol solution, carrying out pressurization to 145MPa-155MPa, maintaining the pressure, stirring for 10-20 minutes, and immediately carrying out decompression, so as to obtain the special herbicide for the grassy weeds. The special herbicide has the advantages that the production cost is low, the production process is simple, and the special herbicide has relatively high internal absorbing property and activity, strong affinity and adhesive force and an outstanding killing effect to the grassy weeds, is good in safety and can be used for rapidly killing the grassy weeds.

Description

technical field [0001] The invention relates to the technical field of herbicides, in particular to a special herbicide for gramineous weeds. Background technique [0002] There are about 30,000 species of weeds in the country, and 11,000 species are related to agricultural production and economically harmful. Gramineae weeds are the main weeds in paddy fields and dry fields. These weeds are annual and perennial. Larger seeds can germinate at a depth of more than 5 cm in the soil, and it is difficult to control the soil surface with herbicides. Because weeds have the characteristics of competing for water, consuming nutrients, inducing pests, and affecting light, rampant weeds in farmland will cause Crop production is reduced, growth is weak, and diseases are frequent. At present, weeding in the field is mainly based on chemical herbicides. At present, the herbicide control targets in the market are relatively wide. Seriously destroy the ecological balance of farmland, and ...

AI Technical Summary

Problems solved by technology

Larger seeds can germinate at a depth of more than 5 cm in the soil, and it is difficult to control the soil surface with herbicides. Because weeds have the characteristics of competing for water, consuming nutrients, inducing pests, and affecting light, rampant weeds in farmland will cause Crop production is reduced, growth is weak, and diseases are frequent. At present, weeding in the field is mainly based on chemical herbicides. At present, the herbicide control targets in the market are relatively wide. Seriously destroy the ecological balance of farmland, and it is difficult to kill the underground root system of weeds, often killing the ground stems and leaves will germinate and grow again in the next year, leading to the increase of weed resistance