Sweet corn ｜ Live and transplanting sowing skills to improve the yield and quality of corn

The main points of the corn broadcast period and production increase

There are two types of corn planting: sweet corn and feed corn. The suitable sowing time and cultivation management varies from person to person. In this article, we will introduce every point, so if you are farmers growing corn, please refer to it.

Corn is not only used to eat sweet corn, but also for breeds and pigs such as livestock. Both are the same corn, but the sowing time and cultivation management are different. How to improve the yield and quality of corn? Now let's introduce the main points of cultivation management of sweet corn and feed corn.

Sweet corn | Live and transplanting sowing skills

First of all, I will introduce the planting and management skills of sweet corn that is loved by consumers. Compared with feed corn, it is characterized by a greater workload after broadcasting.

Sweet corn planting and sowing time

The optimal temperature of sweet corn germination is 20-28 ° C, and the optimal temperature for growth is 22 to 30 ° C. It is a relatively heat -resistant crop in crops, but be careful, because it is afraid of low temperature and it is easy to receive cold. In addition, corn and sugar cane are classified as "C4 plants" with high photosynthetic efficiency. Therefore, the greater the amount of solar radiation, the better it grows. In summary, basically the best time to cultivate in the warm and sunny season, the best time to sow the intermediate area is from January to February of the indoor cultivation, February-March of the arched sheds, and March to May of the open field cultivation. More common. The harvest time is from early May to mid -May of the greenhouse, around June, which is cultivated and cultivated in the early July to mid -October.

In particular, open field cultivation is the largest planting method in the country's cultivated land. Because the climate conditions are suitable for growth, it can be expected to be high -yield.

Preparation for sowing cultivation of corn live broadcast

The live broadcast of sweet corn starts from the lowest soil temperature to 14 ° C or higher. If the fields can be covered in advance, you can keep the soil temperature higher, so you must stick to the cover at least a week before the scheduled live broadcast, so that the soil temperature is kept above 18-20 ° C. Although it depends on the variety, the standard sowing number is 2 to 4 capsules per place to prevent inventory loss. Mochia width is about 150 cm, and the plant spacing is generally 30 to 35 cm. The standard planting plants are about 3500 to 4,000 per 10A. In addition, excessive growth of weeds may lead to poor growth of sweet corn, so weed weeding should be as much as possible before sowing.

Preparation for sowing and cultivation of transplantation

When planting sweet corn with seedlings, you need to prepare the seedbed in advance. When preparing the seedbed, it is important to keep the main points such as "keep the soil temperature at 30 ° C" and "choose as thick soil as possible". After sowing in the seedbed, when the germination starts for about 3 days, the setting temperature of the thermal bed is reduced to 28 ° C. In addition, because the low temperature humidification at this time may cause corruption, please pay attention to the amount of irrigation other than temperature. After 5 days of sowing, the temperature of the hotbed line was further reduced to 25 ° C, and the control temperature did not exceed 30 ° C to prevent high temperature damage. Then, one week before planting, the seedlings were exposed to the open -air environment, making the seedlings adapt to the field climate. 2 to 3 weeks after sowing, when the number of leaves reaches about 2 to 2.5 tablets, the seedlings begin. When the number of true leaves starts to divide at about 3.5 tablets, it is important to plant them at that time.

Planting cultivation management

In the case of live cultivation, when the number of leaves is about 3 to 4 pieces, the leaves are reduced to make it independent. Please note that if the time is too early, the leaves may grow again from the thinner part. In addition, if it is pulled out of the top of the sparse seedlings, it may damage the root of the remaining strains. Therefore, use scissors or knife to cut it from the raw material. If you stand alone and fertilize, you will soon start a branch, but generally do not remove the weeding effect and auxiliary mating. However, for the slow beam for the purpose of expanding beams, only the top beam is left. From about 4 to 5 real leaves, it becomes more vulnerable to feeding damage of aphids and aphids. Don't forget to spray pesticides as needed to control them.

▼ Please read this article for corn pest control.

Corn disease and insect pests and prevention | Applicable pesticide and prevention timing

The key to feed corn | The key to preventing fall is the best sowing time and sowing depth.

Compared with sweet corn, the planting density of corn is higher and it is a project that can ensure high yield. However, according to the sowing time and the depth of the sowing, there is a risk of falling. If you are considering the production of feed corn, check the correct sowing time and depth.

Determine the best time to sow

One thing to pay attention to feed corn is to fall down. Generally speaking, the proportion of corn on the ground increases with the slowdown of sowing speed, thereby increasing the risk of inverted. Therefore, it is important to sow as soon as possible at the appropriate time (the average daily temperature exceeds 10 ° C) as soon as possible.

It is also important to choose a variety during sowing. It is important to know that from the perspective of cows' feeding ability, corn silage feed is best harvested in the yellow maturity period. However, it is important to remember that there is a risk of typhoon destruction in certain areas. There are high -yielding late -cooked corn and early -maturing varieties, which can be harvested before the full typhoon season in mid -September, so choose varieties that are suitable for the characteristics of the area of ​​the area.

▼ How to determine the best sowing time of feed corn and how to choose a variety, see this article.

[Corn as feed] It is important to improve the efficiency of sowing! Large -scale cultivation method of no failure

Pay attention to sowing depth

When sowing feed corn, please remember that the shallow depth makes it easy to fall and the night cream. However, even if deep cultivation, it cannot prevent late cream, which will worsen the initial growth. The important thing is to sow to the correct depth. Generally speaking, the sowing depth of the feed corn is 2.5 to 3 cm. Try to sow as deeper as much as possible in the low and difficult to suppress in the peat and soil. Corn feed | Save labor during sowing is an important issue

According to data compiled by relevant research institutions, the work time of feed corn sowing accounts for about a quarter of the total workload.

The saving effort of sowing work is essential for high -efficiency large -scale planting, and various places have carried out various efforts around simple seeding technology. For example, after the rye, the trial field of simple seedlings is performed, and the working time is 40%. Even if the output of dry substances is almost the same as normal farming, it has successfully saved the labor force. It is expected that the research of labor conservation in the future will continue. Source: NARO "The current status of feed corn planting and future planting and expansion technology -save effort to sowing technology"

Corn Feed | Mooth Planting Denta for Output

As a way to increase the yield of feed corn, planting density has also received attention.

If the planting density is too high, it is not uncommon for some crops to decrease. However, the above -mentioned reports from the National Agriculture and Food Research Organization pointed out that low -density farmers often have low output in planting feed corn. The average population density of typical farmers is often about 3200 plants/mu, and the best population density is lower than the middle -aged varieties/mu. As a way to increase individual density, measures such as "take measures to prevent bird damage" and "increase the amount of sowing by about 10 %". In addition, there are also situations that cannot be sowed normally due to the failure of the seeding machine. Please be sure to perform appropriate maintenance and inspection of agricultural tools.

Even the same corn, consumption of sweet corn and feed corn has different sowing time, methods and precautions. However, no matter what the situation is, it is important to determine the sowing time based on the best temperature of the variety, the best temperature of the germination and the time of the plan.

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