Cassava cultivation: what medicine is good for weeding cassava fields?
What kind of medicine should I use to weed the cassava field? Cassava is a plant of Euphorbiaceae, with developed underground roots, strong resistance to a variety of herbicides, suitable soil sealing agents and stem and leaf treatment agents, and suitable herbicides can be selected according to the same herbicide. Cassava propagates from stem segments and has strong resistance to soil sealing agents. Acetochlor and other drugs can usually be used for soil sealing treatment before emergence after sowing, or pendimethalin can be used according to the grass phase. If grass has already occurred in the field, glyphosate and other drugs can be mixed to control weeds. Cassava seedling stage, can be used to control Gramineae weeds, such as quizalofop, high-efficiency flopyrine and so on. Cassava plant is tall, when the plant has a certain height and is suitable for directional spray treatment, we can consider using glyphosate, paraquat and other drugs to spray. If necessary, we can also spray 200g / L chlorofluoropyloxyacetic acid EC to control broadleaf weeds. Click to get more cassava planting techniques click to get more food crop planting techniques
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How to prevent sunflower wilt?
How to prevent sunflower wilt? Please introduce the method of damage to sunflower Verticillium wilt: it usually starts from the lower leaves of the plant. Early leaf tip or leaf edge local tissue swelling disorder, green wilt, also occurred in the middle of the leaf tissue, irregular shape, but the edge was infiltrated, yellowing, green leaf tissue...
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Barley planting: how to control fishy smut and stripe disease in barley?
How to control fishy smut and stripe in barley? What is the most effective method for prevention and control? please introduce the control methods of houttuynia smut and stripe disease of barley, you can refer to the following methods for prevention and control (for reference). Method 1. Select seeds: wheat should be screened before sowing to remove shrunken grains and diseased grains. Seeds.
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