-
What is the best time to spray rice to kill insects and treat diseases?
When is the best time to spray rice to kill insects and treat diseases for good results? How should rice pests be controlled? We also ask experienced netizens to help introduce this. Pest and disease control in rice is the primary prerequisite for a bumper grain harvest, so Zhongdiwang has compiled the best control methods for rice pests and diseases, listed in detail below for netizens' reference. 1...
-
What insecticides are used to control the rice leaf roller?
What damage does the rice leaf roller cause? Which insecticides can control the rice leaf roller? Please give an introduction. Zhongdiwang has compiled the damage caused by the rice leaf roller and the insecticide control methods, listed below for netizens' reference. Damage caused by the rice leaf roller: The rice leaf roller, also known as the rice leaf roller worm, commonly called the leaf-scraping worm...
-
What insecticide works well for controlling the rice stem borer (Chilo suppressalis)?
What insecticide should be used against the rice stem borer? Please note that controlling the rice stem borer also depends on the natural enemy situation in the paddy field. There are many natural enemies that parasitize the rice stem borer, mainly the egg parasitoid Trichogramma, the larval parasitoid Cotesia, and predatory natural enemies such as spiders. When the number of natural enemies is large, the control threshold can be appropriately relaxed. Commonly used control agents include Bai...
-
How to carry out chemical weed control in rice seedling beds
How is chemical weed control used in rice seedling beds? Please give an introduction. Chemical weed control in rice seedling beds saves labor, saves effort, and gives good results. However, in production, if the method of use is improper, it will cause herbicide damage, and in severe cases the seedlings must be destroyed and re-raised. Therefore, chemical weed control in seedling beds must master the following use techniques: different seedling-raising methods require different selected herb...
-
What is the best time for chemical weed control in rice fields?
When should chemical weed control be carried out in rice fields? Please explain. Weeds in paddy fields have a major impact on rice growth. They compete with rice for fertilizer, water and light, directly affecting rice growth and, in severe cases, causing yield reductions. Therefore, doing a good job of chemical weed control in paddy fields is very important for promoting normal rice growth. Entering June, rice in Dali City has...
-
How can rice paddy herbicides be applied for the best results?
How can herbicides be applied in rice paddies for the best results? Please advise. 1. Apply the herbicide during the period when weeds are most sensitive to it, so as to improve the weeding effect. 2. Apply the herbicide during the growth stage when rice has the strongest tolerance to the herbicide, so as to ensure the safety of the seedlings. Generally speaking, weeds are most sensitive to herbicides during the seed germination stage and the seedling stage...
-
What should you do about herbicide damage in rice? Timely remediation is key
What should you do about herbicide damage in cotton? How should it be prevented and controlled? Cotton has many weed species, strong reproductive capacity and severe damage, and is one of the main natural enemies affecting cotton production. The use of chemical herbicides reduces labor, lowers production costs and improves cotton yield and quality. Due to a lack of herbicide use...
-
How to remedy herbicide damage in rice?
What should you do if herbicide application to rice causes phytotoxicity? To increase the weed-killing effect and broaden the herbicidal spectrum, most compound herbicides contain bensulfuron-methyl, pyrazosulfuron-ethyl, acetochlor and the like. If farmers do not know how to use them, phytotoxicity is easily caused. 1. Judging phytotoxicity. Rice may show symptoms similar to herbicide phytotoxicity because of root suffocation, nutrient deficiency, or pests and diseases...
-
What is the best time to spray insecticide on rice?
When is the best time to spray insecticide on rice? The following points should be noted when spraying insecticide on rice: Do not spray insecticide on rainy days; this is basic common sense that farmers understand, but many farmers often spray at noon on sunny days, which is highly inadvisable and harmful, because: 1. At noon, light...
-
Is adding laundry detergent to rice pesticides really effective?
The choice of rice pesticides affects the operator's health, the control effect, the cost of use, and their pollution of the environment and rice. 1. Low toxicity does not mean low efficacy, and high toxicity does not mean high efficacy. The toxicity of a pesticide is not classified according to its toxicity to pests, but according to its toxicity to mammals. For pests...
条件筛选