When pesticides are used, how to calculate the amount of water, can you give an example?

If the amount of pesticide per mu is known, the amount of water is generally 40 60 kg: if 200 grams or milliliters of a certain pesticide are needed per mu, only 200 grams of pesticide mixed with water about 50 kg can be sprayed; If only the dilution factor is known, when the multiples are greater than 100, the amount of water is equal to the number of pesticides multiplied by the dilution factor, and when the multiples are less than or equal to 100, the amount of water is equal to the dilution factor minus 1 and then multiplied by the number of pesticides. If the dilution factor is 500 kilograms of pesticides, the amount of water is equal to 500 * kilograms, and if the dilution factor is 50 and the pesticide is 1 kilogram, the amount of water is equal to (50-1) * 1 = 49 kilograms.

Note: If the pesticide unit is milliliters, it can be converted as 1 milliliter = 1 gram.

The pesticide you are talking about is the commercial pesticide you purchased, if the pesticide description is written on the dosage per mu, then you calculate according to the amount of liquid medicine per mu 45 75 kg, according to the specifications of the pesticide, determine the amount of water For example, you buy 75 tricyclazole for the prevention and control of rice blast, 10 grams per package, tell you the amount of 30 grams per mu, then you can calculate according to the amount of spraying, for example, spray 45 kg of liquid medicine, then 15 kg per 10 grams (bag) with water If the pesticide you buy requires you to calculate by the dilution factor, You use the quality of the pesticide multiplied by the dilution multiple, the number is the quality of the water that needs to be added, the required concentration of the liquid medicine, and the application can be uniform, generally, the application solution per mu is 45 75 kg can be uniform

Hello! Remember the saying: Concentration divided by dilute minus 1 is equal to the number of parts of water added. For example, 20% dimethoate should be mixed with 1000 times pesticide (concentration) and 20 parts water.

Hope it helps, hopefully.

If it's a sprayer.

It is generally 30 pounds.

Dimethoate is generally 1000 times.

30 pounds is 15kg.

So a sprayer.

You will need to add about 15 ml of the potion.

You can take a look at the label, there will be instructions on it.

Different crops also have different multiples.

Some crops are not yet suitable for this variety. So be cautious too.

So it's best to ask about the details and where to buy medicine.

Under their guidance in use.

Pesticide water refers to the use of pesticides, a certain amount of pesticides mixed with a certain amount of water, and then used to spray or water crops. The correct amount of pesticide dosage can ensure the effectiveness of pesticides, and at the same time, it can also reduce the pollution of pesticides to the environment. For different pesticides, the formula for calculating the amount of water is also different.

The following describes a common formula for calculating the amount of pesticide water.

The common formula for calculating the amount of pesticide water is as follows:

Water amount Kaiwei slip (liter) = dose (g mu) mu 1000 pesticide content (%) dilution factor.

Among them, "dose" refers to the amount of pesticides used, and the unit is grams; "Mu" refers to the area of farmland that needs to be sprayed or watered, and the unit is mu; "Pesticide content" refers to the content of the active ingredient of the pesticide in %; "Dilution" refers to the number of times the pesticide is diluted.

Taking spraying pesticides as an example, usually, the dilution factor of pesticides is 100-1000 times, and the dilution factors of different pesticides are also different. If 10 grams of pesticides need to be used for one acre of land, the active ingredient content of the pesticide is 50%, and the dilution factor of the pesticide is 500 times, then the formula for calculating the amount of water is as follows:

Water (litres) = 10 (grams) 1 1000 50% 500 = litres.

That is, to dilute 10 grams of pesticides to 500 times, you need to mix in a liter of water. If the area of farmland that needs to be sprayed is 10 acres, it needs to be mixed with liters of water.

It should be noted that the formula for calculating the amount of water used by different pesticides may be different, so when using pesticides, the amount of water should be calculated according to the specific pesticide and use method to ensure the effectiveness and safety of pesticides.

In short, the formula for calculating the amount of pesticide water is the amount of water (liters) = dose (grams per mu) 1000 pesticide content (%) dilution factor, where the dilution factor needs to be determined according to the specific situation of the pesticide. When using pesticides, the amount of water should be calculated according to the specific situation to ensure the effectiveness and safety of pesticides.

Depending on the type of pesticide, it is different, for example:

1. Acetochlor.

Solubility in water 223 mg l (25), soluble in a variety of organic solvents. 20 periods do not decompose within the year.

2. Alachlor.

The solubility in water is 242mg l(25), soluble in organic solvents such as ethanol, ether, acetone, chloroform, etc., the decomposition temperature is 105, and it is decomposed under strong acid and alkali conditions.

3. Atrazine.

The solubility at 20 is: water 33 mg l, chloroform 28 g l, acetone 31 g l, ethyl acetate 24 g l, methanol 15 g l. Stable in neutral, weakly acidic, weakly alkaline media.

4. Meolachlor.

Solubility water 488mg l (25), miscible with benzene, xylene, toluene, octanol and dichloromethane, hexane, dimethylformamide, methanol, dichloroethane, insoluble ethylene glycol, propanol and petroleum ether, stable at 300, hydrolyzed in strong acid, strong alkali and strong inorganic acid.

5. Grass net.

Solubility water 33 mg l (25), acetone 300, ethanol 140, hexane, toluene 200, n-hexanol 110 (g l, 25), 20 neutral medium, slightly acidic and alkaline medium stable, hydrolyzed in hot acid and alkali, decomposed under ultraviolet light,.

The proportion of pesticides to water needs to be determined according to the dilution factor of pesticides, when the dilution ratio of pesticides is less than 100 times, the amount of potatoes used in water = the amount of preparation - the amount of preparation - the amount of preparation; When the dilution factor of the pesticide is more than 100 times, the amount of water = the amount of pesticide Piqiaoyan dilution multiple.

Summary. The ratio of pesticides to water is usually determined based on the concentration of the pesticide and the amount of water required. Typically, pesticide packaging is marked with an indication of the percentage of water to be used.

If there is no labeling or the indication is not clear enough, it can be calculated according to the concentration of the active ingredient of the pesticide. Generally speaking, the ratio of suspended pesticides, wettable powder pesticides and soluble powder pesticides to water is about 1:300-500, while the ratio of soluble liquid pesticides and emulsion pesticides to water is 1:

500-1000。For example, if 1 kg of pesticide is mixed with water, and the concentration of the active ingredient of the pesticide is 50%, the ratio of water to water is 1:500, and 1 kg of pesticide needs to be mixed into 500 liters (i.e. 500 kg) of water.

Note that pesticides must be added to water in accurate proportions, and pesticide packaging instructions must be read carefully before using pesticides to ensure that the correct ratio to water and method of use are used. At the same time, you should also pay attention to protecting yourself and the environment.

The ratio of pesticides to water is usually determined based on the concentration of the pesticide and the amount of water required. Typically, pesticide packaging is marked with an indication of the percentage of water to be used. If there is no labeling or the indication is not clear enough, it can be calculated according to the concentration of the active ingredient of the pesticide.

Generally speaking, the ratio of suspended pesticides, wettable powder decoding air pesticides and soluble mold powder pesticides to water is about 1:300-500, while the ratio of soluble liquid pesticides and emulsion pesticides to water is 1:500-1000.

For example, if 1 kg of pesticide is mixed with water, and the concentration of the active ingredient of the pesticide is 50%, the ratio of water to water is 1:500, and 1 kg of pesticide needs to be mixed into 500 liters (i.e. 500 kg) of water. Note that pesticides must be added to water in accurate proportions, and pesticide packaging instructions must be read carefully before using pesticides to ensure that the correct ratio of water to water is used and that the pesticide is used blindly.

At the same time, you should also pay attention to protecting yourself and the environment.

Can you tell us more about that?

The ratio of pesticides to water is usually determined based on the concentration of the pesticide and the amount of water required. Typically, pesticide packaging is marked with an indication of the percentage of water to be used. If there is no labeling or the indication is not clear enough, it can be calculated according to the concentration of the active ingredient of the pesticide.

Generally speaking, the ratio of suspended pesticides, wettable powder decoding air pesticides and soluble mold powder pesticides to water is about 1:300-500, while the ratio of soluble liquid pesticides and emulsion pesticides to water is 1:500-1000.

For example, if 1 kg of pesticide is mixed with water, and the concentration of the active ingredient of the pesticide is 50%, the ratio of water to water is 1:500, and 1 kg of pesticide needs to be mixed into 500 liters (i.e. 500 kg) of water. Note that pesticides must be added to water in accurate proportions, and pesticide packaging instructions must be read carefully before using pesticides to ensure that the correct ratio of water to water is used and that the pesticide is used blindly.

At the same time, you should also pay attention to protecting yourself and the environment.

The pesticide you are talking about is the commercial pesticide you purchased, if the pesticide description is written on the dosage per mu, then you calculate according to the amount of liquid medicine per mu 45 75 kg, according to the specifications of the pesticide, determine the amount of water For example, you buy 75 tricyclazole for the prevention and control of rice blast, 10 grams per package, tell you the amount of 30 grams per mu, then you can calculate according to the amount of spraying, for example, spray 45 kg of liquid medicine, then 15 kg per 10 grams (bag) with water If the pesticide you buy requires you to calculate by the dilution factor, You use the quality of the pesticide multiplied by the dilution multiple, the number is the quality of the water that needs to be added, the required concentration of the liquid medicine, and the application can be uniform, generally, the application solution per mu is 45 75 kg can be uniform

Remember the saying: Concentration divided by dilute minus 1 is equal to the number of parts of water added. For example, 20% dimethoate should be mixed with 1000 times pesticide (concentration) and 20 parts water.

For example: 100ml of pesticides, according to 1000 times of liquid dilution, the calculation is 100ml of pesticides multiplied by 1000 times divided by 500ml of capacity is equal to 200L of water, that is, 100ml of pesticides should be exchanged for 200 kg of water.