Can glyphosate be used for weeding in corn fields?
Can glyphosate be used for weeding in corn fields? Please introduce the careful use of glyphosate in weeding in corn fields for the following reasons: first, users lack understanding of the performance of glyphosate, and the difference between internal absorption and contact pesticides is not clear. After the glyphosate solution is absorbed by corn leaves, not only the medicine leaves will be damaged, but also the whole plant will be affected. Second, the user spraying technology operation is not standard, the awareness of corn protection is poor, think that since there is a shield, you can rest assured to use, there is no need to protect corn. In addition, the quality of some shields is poor, and the protective effect on corn is not strong, which is also an important cause of drug damage to corn. Third, in the middle and later stage of maize growth, the leaf age of weeds in the field is older, and some weeds grow higher, so it is necessary to raise the spray head and increase the spray amplitude of the liquid, and the lower leaves of corn are easy to be sprayed. Fourth, after medication in high temperature weather, corn will absorb part of the liquid evaporated at high temperature, which will be affected or aggravated the drug damage. Click to get more herbicide application techniques
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What kind of weeding should be used in corn seedling stage?
What kind of weeding should be used in corn seedling stage? Please introduce that the weeding effect of Yunongle herbicide in maize seedling stage is very good. Yunongle, also known as nicosulfuron, its processing dosage form is 4% suspending agent, and the dosage of 4% Yunongle suspending agent is 1.5 liters per hectare. The specific application methods are as follows: first, application period: 3-5 leaves after corn seedlings.
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What should be paid attention to in chemical weeding?
What should be paid attention to in chemical weeding? Please introduce chemical herbicides with strong selectivity and specificity. The technical requirements of its use are more stringent than pesticides and fungicides, and improper use often causes drug damage. In order to give full play to the role of herbicides in agricultural production, attention should be paid to the following seven points. ...
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