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1、从吸收方式考虑除草剂有内吸传导型、触杀型。内吸传导型除草剂是指喷在植物的某一叶片被吸收后,可被传导到另外叶片,被植物根系吸收后,可被传导到花、果或根部。触杀型除草剂是指喷到植物的某一叶片,不会被传导到其他叶片,更不会被传导到植物的根、花和果部。同样,喷到土壤表层的触杀型除草剂,也不会通过根系吸收被传导到叶、茎、花和果部。蔬菜地应尽量选用触杀型除草剂,如果尔、恶草灵等,或选用内吸传导型除草剂中传导性能差的除草剂,如除草通。2、从处理方式考虑根据除草剂的处
1, taking into account the absorption of herbicides have introverted conduction type, contact type. Induction absorption herbicide refers to sprayed in a plant after a leaf is absorbed, can be transmitted to another leaf, is absorbed by the plant roots, can be transmitted to the flowers, fruits or roots. Contact herbicide refers to a plant sprayed to a leaf, it will not be transmitted to other leaves, but will not be transmitted to plant roots, flowers and fruit. Likewise, the contact herbicide sprayed onto the surface of the soil will not be transmitted to leaves, stems, flowers and fruit through root absorption. Vegetable should try to use contact with herbicides, if Seoul, evil spirit and so on, or use suction conductivity of herbicides in poor conductivity, such as weeding. 2, from the treatment method to consider the place according to the herbicide