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  • How to correctly use napropamide in tobacco fields?

    How should napropamide be used in tobacco fields? Please give guidance. Tobacco seeds are small, and the seedlings grow slowly, so they are often harmed by weeds. The main weeds include: foxtail, Chinese sprangletop, barnyardgrass, goosegrass, shortawn foxtail, cocklebur, flatsedge, cleavers, chickweed, plantain, dandelion, etc. Weed control in tobacco fields can...

  • How to Control Weeds in Cotton Fields? A Detailed Guide to Practical Methods

    How to control weeds in cotton fields? Please provide methods. When growing cotton, you can refer to the following methods for weed control: (1) Types and occurrence characteristics of cotton field weeds. China is one of the world's major cotton-producing countries, with Shandong, Hebei, Henan, Jiangsu, Hubei, Xinjiang, and Anhui among the main cotton regions. Cotton field weeds mainly include 2...

  • How can aphids in cornfields be controlled effectively?

    How to control aphids in cornfields? Please explain the methods. Corn aphids, commonly known as "greasy bugs" or "honey bugs", harm not only corn but also crops such as sorghum and barley. They pierce and suck plant sap. Aphid numbers are very low at the seedling stage, but surge during the ear stage, secreting large amounts of "honeydew", which forms a black mold-like layer on the leaves, affecting photo...

  • How to use herbicides in vegetable fields safely? Master these key application points

    Weeds in vegetable fields are a major problem in vegetable production. Hand weeding is both labor-intensive and backbreaking, so the vast number of vegetable growers need to use herbicides in vegetable production. However, vegetables come in many varieties, have short growing periods, high multiple-cropping indexes, and complex crop rotations, and there are also many types of herbicides. If used improperly, they can easily cause herbicide damage, or even total crop loss...

  • 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....

  • 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...

  • What herbicides are suitable for autumn radish fields

    For pre-sowing soil sterilization, you can choose 48% trifluralin emulsifiable concentrate 100-150 ml (dosage per mu, the same below), 48% butralin emulsifiable concentrate 200 ml, 33% pendimethalin emulsifiable concentrate 100-150 ml, 50% acetochlor emulsifiable concentrate 75-150 ml, and spray each mixed with 50 kg of water. Trifluralin and similar products are prone to photodegradation and volatilization, which reduce efficacy, so immediately after spraying...

  • How to Cleverly Use Non-Selective Herbicides in Summer Sesame Fields

    When watermelons are cultivated in greenhouses, small arched sheds and with plastic film mulch, the temperature and humidity conditions inside the protected area are suitable for weed growth, and manual weeding is inconvenient, resulting in vigorous weed growth and severe damage. Few herbicide products are registered for use in watermelon fields in China, and many farmers misuse herbicides in watermelon fields, leading to poor weed control results...

  • What are the commonly used herbicides for aquatic vegetable fields?

    Properly grasp the application time, generally spraying after corn sowing; spraying herbicides when the ground is moist gives the best effect. Strictly control the dosage according to the amount stated in the instructions, using a reasonable dose; too much easily causes phytotoxicity, while too little fails to achieve the proper effect. Avoid spraying on windy days; when spraying, it is best to choose weather with wind...