How to choose wheat field herbicide?
Wheat emerges before winter, the temperature is suitable, and weeds also usher in the peak of emergence. Therefore, during this period, the use of herbicides for chemical control has the best effect. However, in the face of so many herbicide products and so many types of weeds in wheat fields, how to choose herbicides in wheat fields? Let's take a look at the types of weeds in wheat fields.
There are about 30 kinds of main weeds in winter wheat. In the south of the Huaihe River, mainly grass weeds are the main weeds.
The broad-leaved weeds mainly include pig's calamity, beef chickweed, mother-in-law, broken rice, sorrel, polygonum sorrel, sagebrush, big nest vegetables and so on. There are many kinds of weeds and complex communities in the wheat fields in the Huanghuai River Basin. The types of weeds in the rice-wheat rotation wheat fields are similar to those in the south, with the majority of the weeds in the wheat field and the Japanese rice field. In some wheat fields, the hard grass, clam grass, wild oats, miscanthus, and brome are seriously harmful.
Huanghuaihai was used as a weed in winter wheat fields in the early days, mainly including pig's calamity, wild rape, Artemisia spp., Dachaoucai, Maijiagong, shepherd's purse, Ze lacquer, mother-in-law, field bindweed, spiny cabbage, rice jar, Quinoa, small quinoa, Pianshu and Baogai grass are the main ones.
In the loess plateau of Shanxi and Shaanxi, the occurrence of winter wheat is heavier with thorn, quinoa, Hefeng, loneliness and ion grass. There are more than 20 species of weeds that are seriously harmful in spring wheat fields, mainly including quinoa, Polygonum convolvulus, Polygonum vulgaris, Scented officinalis, Commelina officinalis, Wolframia serrata, Platyberry, Sky Blue Alfalfa, Wild Oats, Wild Buckwheat, Green Setaria, Barnyardgrass Grass, barren, etc.
