How to store dried corn kernels without insects?

The method is as follows: 1. Reduce the temperature, below 18 degrees pests are almost inactive and do not reproduce.

2. Use aluminum phosphide.

Fumigation and insecticide, low dose insect control. This is a method often used by grain depots.

3. Mix insect-free corn with the surface layer of insect-proof phosphorus to kill pests.

4. Isolate new corn without insects. The premise is that the grain storage container is strictly insecticidal and insecticide, and there are no insect eggs.

Corn worms need:

1. The appropriate temperature, generally pests need to be between 18 and 40 degrees.

2. Sufficient oxygen.

3. Stored grain pests can be killed by insecticides, but high residue agents can not be used in food, generally aluminum phosphide and insect-proof phosphorus, which is mostly used for insect control.

Precautions for corn storage.

1. Remove impurities.

Corn harvest often contains more impurities such as unripe grains, broken grains and cob fragments. The amount of respiration is large, the hygroscopicity is strong, the amount of bacteria is large, the void is small, and it is easy to accumulate damp heat.

Causes fever. Mold and insect infestation. Therefore, after harvesting, corn must be sieved to remove impurities before being stored in storage.

2. Dry and moisture-proof.

The key to safe storage of corn is to improve the quality of storage and reduce the moisture of grain, so it is necessary to control the moisture and temperature conditions before storage. According to practice, corn contains water and has a temperature of about 35, which is generally safe to store. After harvesting, corn should be fully exposed to the sun or dried, and ventilation and humidity should be paid attention to during storage, and newly harvested corn should be kept dry and low temperature conditions to ensure safety.

3. Prevention and control of pests and diseases.

During the storage period of corn, it is necessary to check frequently and do a good job of mildew and insect control. When there is a sweet smell in the corn silo, it should be turned over or dried in time. Before the spring warm, the corn should be stored in a cold cap, which has a good effect on preventing moth pests.

The corn that has been infected with pests can be screened, and if the corn is combined with winter freezing and spring screening, the insect control effect is better.

When the dried corn kernels are stored, they can be put into a dry warehouse, and the insect-proof phosphorus can be mixed with the corn kernels, or aluminum phosphide can be fumigated, which can control pests; The temperature is better controlled below 18, not higher than 30, and at the same time, it is necessary to keep the temperature stable and shorten the temperature difference as much as possible, but it is still used up as soon as possible.

1. The temperature is as low as possible, and pests below 18 degrees are almost inactive and do not reproduce.

2. Fumigate and kill insects with aluminum phosphide, and prevent insects in low dose. This is a method often used by grain depots.

3. Mix insect-free corn with the surface layer of insect-proof phosphorus.

4. Isolate new corn without insects. The premise is that the grain storage container is strictly insecticidal and insecticide, and there are no insect eggs.

5. You can use clean gauze to wrap about 30 grams of peppercorn, and every 400 catties of corn can have a good insect repellent effect by relying on a pepper bag. 6. Spread about 2 cm of dry white ash on the bottom of the stored corn, and then spread a layer of dry white ash of the same thickness on top of the corn, which can keep the corn from producing insects for a long time.

7. You can cut off the grapefruit peel, dry it, and then add 2 catties of dried grapefruit peel per 100 catties, mix it thoroughly, and then try to close the storage space, check it every 2 months, which can keep it insect-free all year round, and it does not affect the quality of eating, which is safe and non-toxic.

8. If you live by the sea or by the river, you can dry the crab shell or soft-shelled turtle shell, put a few pieces into it, about 5 pieces per 400 catties, and the insect control effect is good.

9. You can go to the Chinese medicine store to buy litsea cubeba oil, put it on the corn pile, about every 100 catties of corn only need a little litsea cubeba oil, and then seal the storage space for a few days, and then open the lid to release the gas, and this method can not only prevent insects, but also remove aflatoxins.

10. You can also mix tangerine peel powder, star anise powder, and red pepper powder in equal amounts, use clean gauze to make a bag, and then match a bag for every 200 catties of corn, which has a good insect repellent effect.

What problems are prone to occur in the process of corn storage?

1) Fever. Corn is a large-grained and large-embryo seed, the seed embryo is large, and the respiration of the seed is vigorous, so it is easy to heat up, resulting in seed deterioration.

2) Rancidity. The fat content of corn seed germ is high, such as high temperature and high humidity, it is easy to produce free fatty acids, which increases the acidity and affects the vitality of the seed.

3) Mildew. The germ of corn seeds contains more soluble sugar, and the seed skin of corn is also barked, which is easy to grow mold and cause seed deterioration.

Put the corn kernels in a mineral water bottle, tighten the cap and place in the freezer of the refrigerator for freezing. When eating, take out the bottle and take out the corn, and process it directly, without thawing it in advance.

You can take a look at the grain depot, the storage cost is low, the quality changes are small, and the storage time is long.

Generally, try to dry as much as possible, the moisture is below the safe storage moisture (13% at room temperature), drying can make the storage quality of corn and other grains stable, and choose a place with low humidity and no rain leakage.

Second, the temperature should be as low as possible. Low temperature can reduce the respiration of corn dry matter, reduce the growth and reproduction of many microorganisms, and know that insects cannot grow and reproduce normally. Therefore, a low-temperature and stable environment is generally chosen.

Aluminum phosphide fumigation or insect-proof phosphorus protection to control the growth and reproduction of pests. For insect-free corn, it can be dried and sealed to prevent the breeding of polluting pests. Low oxygen can also greatly inhibit the breeding and reproduction of pests.

In addition, low-dose fumigation, electronic temperature and humidity measurement, plastic film sealing, etc., can be used to store the grain in the warehouse.

The moisture must be small, generally up to 13% to spend the summer, placed in the dry and non-damp Cangxiao Zen warehouse, you can use an aluminum phosphide agent to control pests, do not have a high temperature (25 degrees below the best, the highest should not be higher than 30 degrees) and temperature changes drastically (the warehouse has good thermal insulation performance, try not to store in the sky), and do not have a large temperature difference. In addition, if you don't care about the cost, you can refrigerate and modify the atmosphere (filled with carbon dioxide or nitrogen).

Dried corn kernels can be put into the warehouse, pay attention to the temperature and humidity of the reeds, and shout that they can be stored for a long time, and the moisture must be reduced to safe water, so as not to cause mildew and deterioration.

Dried corn kernels need to be stored in a cool and ventilated place for a long time.

1. Low temperature. It is difficult for pests to reproduce at temperatures below 18 degrees, pests hibernate at temperatures below 10 degrees, and freeze to kill pests at temperatures below 0 degrees.

2. Isolate foreign infections. Seal the newly harvested or dried corn after insecticide, seal it with plastic film, and store it in a cool and dry place to prevent insects.

3. Mix corn with insect-proof phosphorus to prevent insects.

4. Fumigation with aluminum phosphide can kill insects.

The temperature is as low as possible, and the pests are almost inactive below 18 degrees, and the banquet does not reproduce. It is better to make a granary with a screen fence. Breathable and rodent-proof. A pesticide called aluminum phosphide can be used to control the pest.

Corn must be dried. Deposit method. With a closed type. Save.

Summary. If the amount of dry corn in the countryside is not very large, it can be packed into a sealed bag that can be sealed and preserved, and the pile height should be 2-3 meters. If new corn kernels are stored in the warehouse, they can be ventilated and turned over for about 1 month in the warehouse or during the autumn and winter delivery seasons to dissipate damp heat and prevent "sweating".

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If the amount of dry corn in the countryside is not very large, it can be packed into a sealed bag that can be sealed and preserved, and the pile height should be 2-3 meters. If new corn kernels are stored in the warehouse, they can be ventilated and turned over for about 1 month in the warehouse or during the autumn and winter delivery seasons to dissipate damp heat and prevent "sweating".

Conditionally, the threshing corn can be stored after drying with a dryer, the average height of the corn with a cob is not more than 1 meter without a dryer, if the number is not large, it is best to set up a shelf and leave the ground for storage, so that it is ventilated and transparent, when there is snow and rain, the top can be temporarily covered, no snow and rain or sunny weather do not cover to prevent mildew caused by non-ventilation.

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Pest breeding requires 3 conditions; Insect source, temperature, oxygen. Other humidity conditions can reproduce at lower levels, such as corn elephants, which can survive at 10% moisture.

1. The easiest way is to use aluminum phosphide to store in a low dose. It can also be mixed with insect phosphorus on the surface.

2. Low temperature storage, as long as the temperature of corn is lower than 15 degrees, pests will not be active, and there will be no insects.

3. Use outdoor freezing to kill insect eggs, seal and other methods to isolate the invasion of foreign insect sources, which is more troublesome and requires technology.

4. High cost of nitrogen and carbon dioxide filling.

Grain corn insects are mainly caused by moisture or mildew insects in the grain, so trying to keep it ventilated and dry is the key;

It is recommended to place shelves, do not place anything at a distance of 20cm from the ground, and keep the storage room ventilated, dry and low-temperature;

Screen doors and windows are installed in room doors, windows, exhaust outlets and other passages;

It is recommended to install anti-scouring on the edge of each passage door, and the gap is small enough to reduce the invasion of insects, regularly inspect the granary, keep the grain dry, check the temperature and humidity of the grain, and take timely measures if the temperature and humidity are abnormal or insects;

Of course, in order to prevent the breeding of insects, you can place fumigants in the corn pile in advance according to the instructions, but you should pay attention to the safety and the eating period of the corn.

First, drying and cooling. The newly harvested corn should be kept dry and low humidity conditions, and can be fully exposed to the sun and dried, which is the main measure for long-term safe storage of corn. If the moisture can not be reduced to the summer standard, you can take advantage of the warm spring exposure, seal the warehouse after cooling, scatter and seal, and do a good job of moisture-proof and moisture-proof insulation to safely spend the summer.

For corn that has been fully dried in winter, it can be closed and capped while it is cold in winter, which has a good effect on safe summer. If the newly harvested corn fails to dry in time, it is necessary to do a good job of anti-freezing after winter. Frozen corn is of poor quality and difficult to store.

The second is to control pests and diseases. The corn that has been insected can be controlled by sieving or drug fumigation, and the plastic cloth can be sealed to create an anoxic environment, which is not only insect-proof, but also moisture-proof and mildew-proof. For corn that has been insected, it can be sieved to remove insects, or fumigated with aluminum phosphide to remove insects.

Third, after the corn is harvested, it must be sieved to remove impurities and then stored in storage, because corn often contains more unripe grains, broken grains, bran chips and cob fragments, etc., especially the mechanical threshing impurities are very high, which is easy to cause fever and mildew and cause insect pests. Therefore, corn should be sieved and impurities removed before being stacked in bulk. For a small amount of corn, the ear storage method can be adopted, which is not only conducive to promoting the post-ripening and improving the quality, but also allows the corn to be naturally dried after a winter, and the moisture can be reduced to the safety standard.

How to store corn.

After the corn is harvested, it must be stored well, first of all, natural ventilation and precipitation. Natural ventilation methods should be used for high-moisture corn, and precipitation should be improved to prevent mildew. Here's how:

Make a 20 cm wide triangular stand, fixed with wooden strips and iron nets on three sides, the length and width can be determined according to the length of the corn silo, the north and south are placed horizontally, and the bottom and middle are naturally ventilated and cooled.

Steaming or sealing with plastic film to reduce oxygen for storage can not only prevent insects, but also have a good effect on moisture and poison.

The corn that has been insects can be controlled by sieving or drug fumigation.

Corn grains are large, the body of general pests is small, and the effect of using 6-hole sieve to eliminate insects can reach more than 80.

The cost of fumigation with phosphine agent is low, and the insecticide is relatively thorough.

1.It is best to have a moisture content of less than 13%. Of course, it is best to drop it to 10%.

2.With the above large plastic bags such as polyethylene, first simply pump, how to fill carbon dioxide or nitrogen, just puff up slightly. It is not necessary to vacuum, just the right one. Bugs don't live. Other items are preserved and can be used for reference.

The method of storing corn in large quantities without insects is as follows:

1. Put some peppercorns.

2. If it is not a seed, it can be frozen in the refrigerator (vacuum packaging).

Note: Corn is bought on the market to be cooked, cooled and frozen in the refrigerator, and heated when eating. Cooked corn is now also sold in supermarkets at frozen food counters.

3. If it is ten catties or eight catties, you can put it in the bottle and put the lid on it.