Is the corn herbicide still effective after being watered in one day?

Yes, it is generally fine after 24 hours, and it has been absorbed by the plant.

First of all, watering immediately after the herbicide is definitely not good, the liquid is diluted, can not achieve the effect of weeding, followed by the temperature, weather, spring and summer herbicides, the temperature has been a matter, under normal circumstances, 8 hours after you can water, such as the corn herbicide now, if it is a winter herbicide, due to the low temperature, the effect of the drug is slow, it needs to be appropriately extended, must be played before the wheat herbicide, need to be separated by about 3 days, let the effect of the drug, and then watering.

1. Water when sowing.

After sowing corn, if the soil moisture content is relatively high at the time of sowing, you can do without watering. If the soil is dry, then it is necessary to water, generally soil moisture is 65-75% of the water holding capacity in the field, which can promote the germination of corn seedlings, improve the germination rate, and prevent ridge breakage.

2. Watering during jointing.

Corn seedlings enter the jointing stage after the plant begins to grow rapidly, at this time the water demand increases, the general soil moisture is 60-65% of the field water holding capacity, if the soil water content is relatively low, it must be watered, the jointing period watering is particularly important, because it will not only affect the growth of corn plants, but also affect the heading and flower bud differentiation of corn.

3. Watering at the heading stage.

After the corn plant enters the heading period, not only the temperature will be very high at this time, but the leaf area is also the largest, so the corn in the heading period is the time when the corn needs the most water during the whole growth period, and the general soil moisture is 70-80% of the water holding capacity in the field, so the water content of the soil should be watered in time at this time. Watering at the heading stage can not only improve the photosynthesis products of leaves, but also help to improve the pollination rate of maize, and lay the foundation for early grain filling of maize in the later stage.

4. Watering during the grouting period.

After the corn enters the grain filling stage, the water requirement is still relatively large, and the general soil moisture is 70-75% of the water holding capacity in the field, and sufficient water can better make the corn grain filling, thereby improving the yield. Therefore, after the corn enters the filling stage, if the soil moisture is lacking, it should be watered as soon as possible.

After spraying herbicide, it generally takes more than 4 hours for the components of the medicine to be absorbed by weeds, so there is no problem in watering the corn field after spraying herbicide.

Summary. Hello, pesticides can be used 24 hours after using herbicides.

Corn can be made of pesticides after a few days of herbicides.

Hello, pesticides can be used 24 hours after using herbicides.

Nicodioxine is used.

The absorption time of herbicides is 2 to 8 hours after spraying, and the effect is generally 24 hours later.

Hello, nicotinatrazine can be mixed with pyrethroid insecticides. In the case of pyrethroid insecticides, the interval is short.

However, if it is an organophosphorus insecticide, it needs to be separated by at least 3 days.

A little garlic is also sprayed with this herbicide, does it have any effect on garlic.

Hello, it has an effect on garlic.

Corn herbicide works after 6 hours. Because it takes 2-6 hours to harvest the corn post-emergence herbicide after spraying, in these 2-6 hours, whether the effect of the herbicide is good or not (that is, whether the weeding effect is ideal) is very closely related to the temperature and air humidity. The weeds in the field are basically complete, and most of the weeds are sprayed at the 2 4 leaf stage.

The weed resistance was enhanced and the weeding effect was affected when the application period was late. When spraying, the temperature is required to be 15 25, the relative humidity of the air is more than 65%, and the wind speed is less than 4 meters per second.

Summary. Hello, dear, can be played in the morning.

Hello, dear, can be played in the morning.

Herbicide spraying is generally done before 10 a.m. and after 5 p.m. However, in the morning, make sure that there is no dew and then play a group to sing, there is dew will affect the effect of the medicine.

One of the most significant characteristics of summer is the high temperature, the high defeat is not conducive to the liquid medicine to stay on the surface of the weeds, and even sometimes the sprayer nozzle sweeps the weeds after the weeds are not even traced, and the liquid volatilization is too fast is not conducive to the herbicide being absorbed by the weeds and the weeding effect is volatilized.

Although high temperature helps to improve the absorption and delivery capacity of weeds to herbicides, and promotes the inhibition and eradication of weeds, it is not good for the liquid medicine to evaporate too quickly. Therefore, in summer, herbicide spraying should be carried out before 10 p.m. for upper limb swimming, or after 5 p.m. for those who guess the herbicide.

<> the effect time of post-emergence herbicide in maize is related to the herbicide variety. In the case of contact herbicides, weeds generally die about 7-10 days after application, and in the case of systemic conduction herbicides, weeds generally die about 15-20 days after treatment.

1. Nicosulfuron

1. Nicosulfuron is mainly used to control annual and perennial grass weeds, and is also effective for some broad-leaved weeds.

2. After the use of nicosulfuron, the weeds immediately stop growing. After 4-5 days, the new leaves of the weed fade, die, and gradually spread to the whole plant. After about 20-25 days, the weeds die.

2. Chlorpyrisulfuron

1. Chlorpyrisulfuron is mainly used to control broad-leaved weeds and sedges.

2. The effective time of chlorpyrisulfuron is slower than that of the type, and the aerial parts of the weeds will completely dry up and die after 20 days of medication.

3. Dicambamba

1. Wheat grass is mainly used to control annual and perennial broad-leaved weeds.

2. About 24 hours after the use of dicamba, broad-leaved weeds showed deformed curling symptoms. After about 15-20 days, the weeds die.

Fourth, Bendasone (herbicidal pine).

1. Bendasone is a contact herbicide, which mainly controls broad-leaved weeds and sedges.

2. After 2 hours of bendasone use, the absorption and assimilation of dioxide in the process of weed synthesis were inhibited. After 11 hours of use, the process of weed dioxide absorption and assimilation stopped, and the leaves wilted and turned yellow. After 7-10 days, the weeds die.

5. Mesotrione

1. Sulfometrione has a contact killing effect, mainly to control annual broad-leaved weeds and some grasses such as amaranth, quinoa, knotweed, barnyard grass, and horsetail.

2. Within 3-5 days after the administration of mesotrione, the weeds become white. About 7-10 days after the drug is used, the weeds die.

6. 2,4-D butyl ester, 4-D butyl ester is mainly used to control dicotyledon weeds, Zanaceae heterosexual and some malignant weeds. About 24 hours after the use of 4-D butyl ester, the weeds showed deformed curl symptoms. About 7-15 days after the application, the weed dies.