The author's investigation found that some farmers have saved the problem of spraying glyphosate in the field for several years. The result is that the field stalk collapses, which is not conducive to walking and water management, but also destroys the ecological environment of natural enemies and increases pest control. Difficulty.
Glyphosate is a systemic herbicide that removes roots. Most of the weeds in the field are mainly grasses or annual weeds. For example, weeding with glyphosate in successive years will cause the weeds to lose their soil and collapse. Therefore, it is not advisable to use glyphosate for weeding in field stalks. It is reasonable to choose to control the herbicide on the ground and control the number of uses. You can choose paraquat-treated herbicides such as paraquat, sulphuricin, trifluralin, oxacillin, and chlorpyrifos, or use 15% paclobutrazol WP or 5% uniconazole WP 100-300 times. If you control the weeds, you can receive the effect of controlling the grass.
Glyphosate is a systemic herbicide that removes roots. Most of the weeds in the field are mainly grasses or annual weeds. For example, weeding with glyphosate in successive years will cause the weeds to lose their soil and collapse. Therefore, it is not advisable to use glyphosate for weeding in field stalks. It is reasonable to choose to control the herbicide on the ground and control the number of uses. You can choose paraquat-treated herbicides such as paraquat, sulphuricin, trifluralin, oxacillin, and chlorpyrifos, or use 15% paclobutrazol WP or 5% uniconazole WP 100-300 times. If you control the weeds, you can receive the effect of controlling the grass.
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Stainless steel plate surface smooth, high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other media corrosion resistance. It is an alloy steel that does not rust easily, but not absolutely. Stainless steel plate refers to the corrosion resistance of weak medium such as atmosphere, steam and water steel plate, and acid resistant steel plate refers to the corrosion resistance of chemical etched medium such as acid, alkali, salt steel plate.
According to the structure is divided into austenitic stainless steel plate, martensitic stainless steel plate (including precipitation hardening stainless steel plate), ferritic stainless steel plate, and austenitic ferritic biphase stainless steel plate and so on four categories? According to the main chemical composition of the steel plate or some characteristic elements in the steel plate to be classified into chromium stainless steel plate, chromium nickel stainless steel plate, chromium nickel molybdenum stainless steel plate and low carbon stainless steel plate, high molybdenum stainless steel plate, high purity stainless steel plate. According to the performance characteristics and use of steel plate classification, is divided into nitric acid resistant stainless steel plate, sulfuric acid resistant stainless steel plate, pitting stainless steel plate, stress corrosion resistant stainless steel plate, high strength stainless steel plate. According to the functional characteristics of the steel plate, it is divided into low temperature stainless steel plate, no magnetic stainless steel plate, easy cutting stainless steel plate, super plastic stainless steel plate. Currently, the commonly used classification method is according to the structural characteristics of steel plate and steel plate chemical composition characteristics and the combination of the two methods. Generally divided into martensitic stainless steel plate, ferritic stainless steel plate, austenitic stainless steel plate, duplex stainless steel plate and precipitation hardening type stainless steel plate or divided into chromium stainless steel plate and nickel stainless steel plate two categories.
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