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What are the characteristics of herbicides specifically for licorice?
With the adjustment of the agricultural industrial structure, the area planted with greenhouse crops is growing larger and larger. However, because the temperature and humidity conditions inside plastic greenhouses differ greatly from the external environment, applying pesticides according to conventional methods can easily cause phytotoxicity. To reduce the occurrence of phytotoxicity, when applying herbicides in greenhouses, attention should be paid to...
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What are the key precautions for using herbicides in vegetable fields
In vegetable production, hoeing and weeding often accounts for more than 40% of the total labor used in vegetable field management. If chemical weeding is used, it can not only effectively control weeds and improve the quality and yield of vegetables, but also save a large amount of weeding labor and reduce labor intensity, but the following "eight precautions" must be observed....
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What is the difference between public health insecticides and general pesticides?
First, based on the climate characteristics and the pests' day-and-night activity patterns, choose a favorable time period for application. The best times to apply are from 9 to 10 a.m. and after 4 p.m. This is because from 9 to 10 a.m., the dew on the crop leaves has dried, and it is also the time when day-active pests are most active. Applying at this time will not, because of the dew...
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Application of Pesticide Synergists in Insecticides
Recently, the Rice Insecticide Application Technology and Market Promotion Exchange Meeting was held in Changsha. At the meeting, experts from the National Agricultural Technology Extension Center and several other institutions analyzed the market changes in rice insecticides in recent years from different perspectives. They also predicted that due to changes in major rice pests and the rapid development of pest resistance, the...
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What are the methods for making plant-based insecticides?
Do not use inferior pesticides. To ensure the quality of the pesticides used, purchase them from legitimate manufacturers and pesticide sales outlets to avoid buying counterfeit or substandard pesticides, and pay attention to the production date and expiration period of the pesticides. Do not use bacterial insecticides at low temperatures; their active ingredients are protein crystals and living spores...
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Can sugarcane herbicides and insecticides be mixed and used together?
First: The weed-control spectrum of the two herbicides should differ. Second: A fast-acting agent should be mixed with a slow-acting agent, and a long-lasting agent should be mixed with a short-lasting agent. Third: An agent with high diffusibility and mobility in the soil should be mixed with an agent with low diffusibility and mobility. Fourth: ...
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What herbicides can be used after garlic emerges
In garlic fields dominated by grassy weeds, after garlic emerges and before the weeds reach the 3-leaf stage, spray 50-70 ml of 5% quizalofop-p-ethyl emulsifiable concentrate per mu mixed with 30 kg of water. Soil moisture should be good at the time of application, and the temperature should be above 12°C, to help improve the weed control effect. In fields where grassy weeds, sedge weeds and broadleaf weeds are mixed...
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What herbicide works well in napa cabbage fields?
Currently, the herbicides registered in China for napa cabbage include 33% pendimethalin emulsifiable concentrate (100-150 ml per mu), applied as a soil treatment after sowing but before emergence, or before transplanting the cabbage; it can control some grasses and broadleaf weeds. If using pendimethalin over a large area, it is advisable to test on a small area first. For soil treatment...
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Diagnostic Methods and Prevention and Control Measures for Herbicide Damage
1. Soil residual herbicide damage: Farmland where long-residual herbicides such as triazines, sulfonylureas, and imidazolinones have been used cannot be planted with Schisandra chinensis within two years. If, due to a lack of understanding of the herbicide use on the planting plot in the previous two years, the herbicide damage to Schisandra chinensis is relatively severe, it cannot be remedied, because in current agricultural production there is still...
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How to remedy herbicide damage in tobacco leaves
① After herbicide damage occurs, promptly spray "Tianda 2116" tobacco-specific formula, which plays an important role in eliminating or alleviating herbicide damage. ② Strengthen agricultural management: irrigation, drainage, and loosening the soil to promote tobacco growth and accelerate herbicide degradation. ③ You can use plant ash or lime, or apply plant growth...
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