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  • What precautions should be taken when dressing seeds with powder-form pesticides?

    How should herbicides be used on tobacco? Please provide guidance. Tobacco has small seeds and slow-growing seedlings, and is often harmed by weeds. The main weeds include: green foxtail, Chinese sprangletop, early barnyardgrass, goosegrass, shortawn foxtail, cocklebur, flatsedge, cleavers, chickweed, plantain, dandelion, and others. Weed control in tobacco fields...

  • Correct use of herbicides after wheat emerges

    How should herbicides be used after wheat emerges? Please provide guidance. Summarize the experience of chemical weeding in wheat fields across different regions. Different chemical herbicides should be selected according to different wheat seedling conditions and wheat subsequent crops. The following herbicides can be selected: Maiji quizalofop-p-ethyl, namely 15% quizalofop-p-ethyl wettable powder, mainly controls various grass...

  • How to correctly use herbicides on corn in summer?

    How should herbicides be used on corn in summer? Please provide guidance. The growth period of summer corn is from June to September, which coincides with the high-temperature and rainy season, favoring the occurrence and damage of field weeds. Once the proper control period is missed, it is very easy for weeds to run wild, seriously affecting corn growth. Chemical weeding is an important measure for controlling weed damage in corn fields and increasing corn yield...

  • A Detailed Guide to the Correct Use of Herbicides in Watermelon Fields

    How should herbicides be used correctly in watermelon fields? Please note the following points when using herbicides in watermelon fields: 1. Choose the right herbicide. There are many herbicide varieties available for watermelon production, and the most commonly used ones include 48% trifluralin emulsifiable concentrate, 25% nitrofen wettable powder, 33% pendimethalin emulsifiable concentrate, 48% butralin emulsifiable concentrate...

  • What are the symptoms of herbicide damage in watermelon seedlings?

    What does herbicide damage in watermelon seedlings look like? Please explain the symptoms of herbicide damage in watermelon: the seedling leaves turn dull gray, the leaf surface is uneven with bumps and wrinkles and feels stiff, the vines are thin and the leaves become smaller, and plant growth is inhibited. The cause of the damage is that a "broadleaf-killing herbicide" sprayed on neighboring plots spreads through the wind. Even...

  • Can glyphosate be used to control weeds in peach, pear, and plum orchards?

    Can glyphosate be used to control weeds in peach, pear, and plum orchards? Please advise and explain. Glyphosate is a low-toxicity, broad-spectrum, non-selective herbicide, widely used for weed control in orchards of cash crops such as fruit orchards, tea plantations, and mulberry plantations, as well as for weed control in no-till fields, along roads, in grassland renovation, and on forest firebreaks, and it has been widely used around the world...

  • What are the methods for using herbicides on aquatic vegetables?

    How can grapes be protected from herbicide damage? Please advise. According to surveys, the harm to grapes from herbicides is also becoming increasingly serious, especially for varieties that sprout and unfold leaves early, such as Vitis amurensis (Amur grape), which suffer particularly severe damage. The leaves of affected plants look as if they have been scalded with boiling water. Later they dry up and fall off, and the clusters also show varying degrees of wilting; in severe cases the berries...

  • How to choose herbicides for corn at sowing time in a scientific way

    How to choose herbicides for corn at sowing time? Please advise. Weeds occur commonly and in great variety in corn fields. Among them, the Huang-Huai-Hai region is the largest corn-producing area in China, mainly growing summer corn. In this region, crops are grown twice a year, mostly in corn-wheat rotation, and there is also relay intercropping of corn with soybean, peanut, etc. The main weeds in this region...

  • What are the precautions for chemical weed control in rapeseed?

    What should be noted when using chemical weed control in rapeseed? Please give guidance. For chemical weed control in rapeseed, the higher the temperature, the faster the effect. The best control effect is achieved during the vigorous growth period of weeds (before the 3-4 leaf stage), that is, about 20 days after rapeseed transplanting. 1. It is strictly prohibited to use herbicides banned by the state. Such as metsulfuron-methyl, chlorsulfuron, tribenuron-methyl and their compound formulations...

  • 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...