258852123
春芽
共回答了16个问题采纳率:93.8% 举报
Trilobites ghost needle grass for invasive weeds, because of its fast growth speed, serious effects on the environment and biodiversity, to explore trilobites needle weed control methods, with 3 leaf ghost needle grass herbicide herbicide effect observation and test, by using different herbicides on trilobites needle weed control effect test, the same herbicides tested in different seasons, find out the most suitable for different season the concentration of the prevention and control of trilobites ghost needle grass, which will provide a scientific basis for prevention and control of trilobites ghost grass. The research results show that the control side of the road or tall trees forest trilobites ghost needle grass, it is recommended to use paraquat 100 times liquid; In the prevention and control of crop trilobites ghost needle grass, recommend the use of acetochlor and add the synergistic agent, can reduce the harm to the crops, sunny spraying, the effect is much better. Glyphosate add detergent in spring and summer of trilobites needle weed control effect to add detergent 30 grams, it is advisable to glyphosate 400 ml/mu.
1年前
4