February 10, 2023

Sealing ground herbicide, also known as soil treatment agent, before the emergence of weeds, spraying with herbicides such as ethylene mixture, the formation of a layer of film on the surface, when the weeds unearthed through the toxic soil layer, the weed coleoptile Or the root sheath is poisoned by herbicide poisoning and locked in the soil. This herbicide is safe for corn seedlings, and maize can be safely emerged because corn has an enzyme--maize ketone can decompose toxin from herbicides....

February 10, 2023

In order to avoid the risk of phytotoxicity, the editors listed the precautions for herbicides that are commonly used in production and are prone to phytotoxicity for the user's reference. 1 Acetochlor. After sowing, wheat is sowed with acetochlor or its compound preparation (such as acetochlor). After 3 to 4 days of drug exposure, more than moderate rainfall will occur. The seedlings will inevitably appear incomplete or not emerge, and should be used with caution before sowing. . 2...

February 10, 2023

Once crops produce herbicides, they must first classify the types of phytotoxicity, analyze the causes of phytotoxicity, estimate the severity of phytotoxicity, and take appropriate countermeasures. If the crops are lightly harmed, only the leaves produce temporary, contact-type phytophagous spots. Generally, no measures need to be taken. The crops can quickly return to normal growth. If the crops are seriously damaged by phytotoxicity, the leaves appear chlorosis and shrinkage. , deformity,...