When will the metoprolol be played?
The correct use of DPC can not only regulate the growth rate of corn, but also strengthen plants and increase yield. So when does corn metanide hit?
1. When is corn metanide to be used?
Generally, when corn is in the small trumpet stage, that is, 8-10 leaves and about one meter high, spraying DPC has a good chemical control effect and helps to improve yield.
Second, corn spraying metanide precautions
1. Strictly use according to the specified concentration, spray high concentration value on plots with excessive growth possibility; spray low concentration value on plots with general growth; spray on dry and weak plots. Do not increase or decrease the dosage.
2. Grasp the spraying time and method well, it can be used in 3-10 leaves of corn, but the best is 6-9 leaves of corn. Spraying before 10 a.m. or after 4 p.m. on days when there is no wind or rain. Try to spray evenly, do not repeat spraying, do not miss spraying.
3. Generally try not to use a single dose, single dose application has side effects. It is suggested that DA-6 should be added to the single dose of ethephon. The combination of quick-acting and long-acting, the use time can be advanced, and it is less affected by weather. When corn health essence is used, proper amount of compound sodium nitrophenolate powder can be added, the adjustment time can be advanced, the dosage can be slightly reduced, the concentration range can be adjusted, the side effect disappears, and the effect of controlling prosperity and increasing yield is excellent. In addition, chlormequat, methylphenamine and DA-6 combined use, has a prominent control of production, application time ahead, no toxic side effects.
4. The compound can be mixed with pesticides and fungicides.
5. After spraying, the residual solution should not be disposed of casually. It is not suitable to spray it for the second time in the field, nor should it be poured into the field. It is better to pour it into the place where there is no crop growth. After a period of time, DPC will degrade itself in the soil.
Corn metanide must be played according to the requirements, otherwise it will steal chickens and not eat rice, causing certain damage to corn.
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