How many acres of soybeans are planted at home, and what happens when there is a lodging?

If you ask a farmer who grows soybeans, what is the most troublesome question during the growing of soybeans? I believe that the ultimate answer is not pests and diseases, nor weeds, but lodging, because after the lodging of soybeans, it will more or less lead to a reduction in yield. For particularly severe lodging, there may be no gain.

Regarding the situation of soybean lodging, some can be avoided and some cannot be avoided. It depends on the reason for the lodging. In the following content, we will discuss with you 6 common factors that cause soybean lodging in detail, hoping to get the attention of growers.

Seed issues. Purchased soybean seeds are not good or fake seeds. For example, after sowing some soybeans, due to the seeds, after the emergence of the seedlings, the seedlings become weaker, the seedlings become weaker, the root system is underdeveloped, and the stems are thinner.

In the mid-to-late stages, they experience strong winds and heavy rain. It was very easy to stay. When you need to buy seeds, carefully distinguish between old seeds, undocumented seeds, and seeds that are not grown locally.

It is not recommended to buy them.

Sowing problems. When soybeans are planted, the field density is too high due to the large amount of sowing seeds. After the soybeans emerge, they will be found to be crowded, especially in the middle and late stages, when the leaves are completely sealed, the field ventilation is very poor, and they can block each other.

It affects normal photosynthesis. In addition, competition between plants for water and nutrients can lead to poor growth, fragile seedling growth, and easy lodging.

Prosperity issues. Some farmers find that there is water backing in the field, and they will consider whether it is due to long-term reasons, such as too much fertilizer, which causes soybeans to appear in the field, and cannot control it. The chances of inversion will increase.

Here, soybeans produce rhizobia, and the roots provide some nitrogen, so if planted, there will be too much nitrogen fertilizer.

Pest problems. During the planting process, there are no prevention and control measures. When there are pests in the field, it can also cause soybeans to stand upside down, especially the roots of underground pests, thus destroying soybeans. On the one hand, on the other hand, insecticide sprays or irrigation treatments are used.

Disease problems. It can also lead to the appearance of handstands when soybeans are infected, such as soybean stems. Once infected, it cannot be prevented in time, the soybean stalk is destroyed, and it is easy to break, especially in windy, rainy weather, under the action of the outside world, it is normal to appear.

Weather issues. This cannot be avoided. For example, it is not possible to have heavy rain, hail or other extreme weather. There is no way around this situation. After all, growing agriculture sometimes requires a certain amount of luck.

It is very likely that the plant lacks nutrients, resulting in a weak rhizome. Appropriate amount of nitrogen and potassium fertilizer supplementation to promote the growth of plant rhizomes. It is also possible that the plants are too sparse. It is also possible that the plant has developed pests and diseases.

It may be that the vegetative growth in the early stage is too vigorous, the plants are too dense, and the straw is too fine.

Soybean planting, to be reasonable dense planting, dense, soybean long vines, less flowering, less pods, yield is also the bottom, too sparse, pods are most, difficult to ambush, rainy weather soybean is easy to lodging, therefore, soybean before flowering, to control the drug, depending on the growth, potassium fertilizer, phosphate fertilizer and micro fertilizer can be increased in the later stage. When soybeans show signs of vigorous growth, paclobutrazol, mequat + potassium dihydrogen phosphate should be sprayed to achieve the effect of controlling strong stems and preserving flowers and pods. Fourth, we must choose high-quality varieties that are strong, drought-resistant, and lodging-resistant.

The soybeans that were blown down on the ground by the wind, the powerful place pressed a wave, because it was not ventilated enough, which directly affected photosynthesis, and after a long time, the bean leaves withered and yellowed, and the bean pods could not meet the demand of the beans due to insufficient nutrients, which would inevitably lead to a reduction in soybean yield, and the more lodging the yield, the more severe the yield reduction. It is best to choose shallow sandy loam land for planting soybeans, which does not store water and does not flood. At the same time, soybeans should be planted to avoid woods and villages, and should not be interplanted with high-pole crops to ensure good ventilation and light transmission.

Well, as long as you listen to me, the soybeans will not be poured again next year.

Generally, the more severe the lodging phenomenon, the greater the yield reduction, and the earlier the lodging occurs, the more the yield is reduced. Soybean lodging usually occurs in July and August, when it is the rainy season, soybeans grow vigorously, and lodging is easy to occur when encountering wind and rain. Summer soybean yields are lower.

Summer soybeans are prone to lodging due to wind and rain in July and August. Lodging caused the main stem to break and the soybean harvest failed. In order to prevent lodging, paclobutrazol can be sprayed in July, which has a good preventive effect.

Spraying should be done sooner rather than later.

Soybean this plant, the most afraid of strong wind and rain, soybean lodging yield decline is very terrible, once lodging I see no way to lift up, soybean lodging if hard to lift up will rust, and finally not even a little yield. Soybean root rot will weaken the ability of the root system to support and fix the plant, sheath blight, stem blight, standing blight, anthracnose and other harmful stems, or soybean black straw flies will cause fragile mechanical tissue of the stem, and will also cause lodging when encountering wind and rain weather.

Fertilizer should be increased, and at the same time as increasing fertilizer, it should be actively watered, and weeding should also be carried out, so that the state of soybean lodging can be solved.

Choose some lodging-resistant seeds, and choose fertile soil when planting to prevent pests in time.

I think that when planting soybeans, we should first choose excellent varieties, ensure a reasonable density when planting, apply fertilizer at ordinary times, control prosperity in time, and control pests, so as to solve the problem of soybean lodging.

When the soybean harvest in the previous season, the disease and residue that fell from the field should be cleared out of the field in time, especially the plots where cataplexy disease has occurred, so as to reduce the number of pathogens in the field and reduce the chance of infection later. When soybeans in the field have been infected with cataplexy, it is necessary to spray pesticides in time, the sooner the better, and it is recommended to spray pesticides at the beginning of the disease.

The first is to plant reasonably densely, the second is to prevent pests and diseases, and the third is to fertilize reasonably.

Lodging is a phenomenon caused by external factors and is a permanent dislocation of the plant from its natural upright state to the stem of the plant. Lodging is a common problem in crop production, and has become one of the important limiting factors for high and stable crop yield. Crop lodging can only be natural, not forced.

The following is a detailed introduction to the specific measures to prevent lodging.

1. Select dwarf varieties that are resistant to water and fertilizer, thick stems and short internodes, determine the appropriate planting density, implement scientific fertilizer and water management, cultivate strong seedlings, and prevent and control pests and diseases in a timely manner. If necessary, plant growth regulators.

It can be used to adjust internode length, plant height, plant type, etc. Disease-resistant varieties are selected for planting. If the bean plant falls, do not help it or it will hurt its roots.

2. It is to improve the quality of land preparation and sowing, select medium and low-grade varieties with high yield, fertilizer tolerance and lodging resistance after heavy rain, manually lay the fallen crops in time, remove stagnant water, spray plant growth regulators, and enhance the stress resistance of crops. Drain immediately. Level and cultivate the soil.

Add nitrogen fertilizer or compound fertilizer.

Usage. Do a good job in pest control.

3. Drainage and waterlogging should be carried out immediately, and the fallen crops should be manually lifted in time and sprayed with plant growth regulators to enhance the stress resistance of crops. After lodging, pay attention to drainage when the soil moisture is high. If the lodging occurs early, tall crops should be uprooted as soon as possible and management should be strengthened. For densely planted crops, it mainly relies on stem auxin.

to promote the reverse growth of the lodging stem in a certain node and return to the erect state.

4. It is necessary to scientifically fertilize and use water to prevent excessive nitrogen fertilizer, implement formula balanced fertilization, strictly control the topdressing time, and avoid initial topdressing; Using chemical control technology, paclobutrazol was sprayed on the seedlings.

Plant growth regulators such as Zhuangfeng amine can shorten the length of basal internodes, increase the thickness of stem walls, and improve lodging resistance. Increasing potassium fertilizer at seedling stage can improve the strength of corn stover. In the case of sufficient nitrogen fertilizer, the combined application of potassium fertilizer and nitrogen and potassium fertilizer should be promoted.

Potassium fertilizer should be used as early as possible and applied as a seedling fertilizer after emergence. Soil cultivation can promote the rooting and development of aboveground backbones and improve the lodging resistance of plants, which is one of the effective measures to prevent lodging of maize. Train.

In this case, it may be because of the lack of nutrients in the beans, and at this time, you should water some topdressing in time, so that the lodging situation can be changed.

To water and fertilize in time, soil fertility should also be ensured, do a good job of loosening the soil and killing insects, and prune branches and leaves regularly.

If you water too much and fertilize too much, you should reduce your fertilizer intake and keep it sunny.

There are many reasons for soybean lodging in <>, our farmers often prefer dense planting in planting soybeans, thinking that dense planting can increase yield, cutting on the contrary, soybean planting should be based on soybean characteristics to plant soybeans, and soybean dense planting and sufficient rain, so that soybeans appear to grow, and a little wind and rain will appear lodging phenomenon in the later stage.

For the situation of soybean lodging, some can be avoided, some can not be avoided, it depends on the cause of lodging, the purchased soybean seed locust pure seed is not good or false seeds, for example, after some sowing soybeans, due to the auspicious reason of the seed, after the emergence of seedlings, the seedlings are weak and yellow, the root system is not developed, the stem is relatively thin, in the middle and late stages, in the event of strong wind and rain weather, it is easy to appear lodging One is that the early vegetative growth is too vigorous, the plant is too dense, the straw is too fine, and there is too many pods, The grain is too heavy, and it is caused by large wind and rain in the later stage.

In the middle and late stages of soybean growth, the plant grows quite tall, and if it encounters extreme weather, strong wind and rain, it lasts for a long time, which is easy to cause lodging and will cause yield reduction. If the planting density is large, the soybean has poor air permeability, poor ventilation, and weak light transmission, which is easy to cause underdeveloped roots, shallow roots, and extreme weather, it is easy to cause a large area of lodging, and even lead to extinction.

Soybean special herbicides, generally are Hekuo double removal. However, some farmers are afraid of the sulfonamide ether in addition to broadleaf grass on soybeans, and take the initiative to give up the best opportunity to control the prosperity of soybean seedlings. Because, when used rationally in the soybean one to three compound leaf stage, there is no impact on soybean yield.

On the contrary, because it temporarily inhibits the growth of soybeans, it promotes the roots of soybeans to take root. Indirectly increases lodging resistance.

If soybean lodging, to timely chemical control, according to soybean growth, in time before flowering chemical control Wang, the early flowering period is the key period for soybean to control the growth of Wang, if improper fertilization, or wind and rain weather will cause soybean growth too much, easy to cause lodging.

The main reason for the lodging of soybeans is that they have been subjected to extreme weather, the quality of the varieties is not very good, the plants are tall, the stems are fragile, the fertilizer and watering are not able to be applied in time, and the nutrients are not enough. In the process of planting, first of all, it is necessary to ensure the density of the planting ridge, the density can not be too large, to ensure sufficient ventilation in the field, and to timely fill the glue water, choose high-quality varieties, and ensure sufficient fertilization.

1.The planting density is not too large at first;

2.Excessive application of nitrogen ferry;

3.Varieties are less resistant to lodging.

Therefore, to avoid soybean lodging, we can start from three aspects: maintain a reasonable cultivation density, reasonably control the amount of nitrogen fertilizer, and choose high-quality varieties that are resistant to drought and lodging.

It may be that there is too much water, so there is such a problem, so the usual watering is to reduce the amount.

First of all, it is necessary to choose lodging-resistant varieties for planting, and secondly, it is necessary to plant reasonably densely.

The planting density should not be too dense or too thin, do not overapply nitrogen fertilizer, potassium fertilizer, phosphate fertilizer and some trace elements, and supplement it in a timely manner.

First of all, we must pay attention to the temperature, and we must prune the branches and leaves in time, and we must fertilize and water them at a fixed time, and we must clean up the pests in time, and then we must pay attention to cultivation.

Be sure to pay attention to the weather, and pay attention to the variety of soybeans and the density of planting, reasonable fertilization, can also ensure the normal growth of plants.

It may be that the plant lacks nutrients, resulting in the lodging state of the plant's rhizome is not hard, or it may be that the plant is not densely planted. The seeds should be evenly sprinkled in fertile nutrient soil at the time of planting.

When planting soybeans, use potassium fertilizer for soybeans: such as plant ash, potassium fertilizer is a fertilizer with a good lodging resistance; You can also insert a short and thick bamboo pole or branch next to the soybean, and tie the soybean stem to the bamboo pole or branch.

Does soybean lodging affect yields? How to prevent soybean lodging?

1. Soybean lodging and yield reduction.

It can be said with certainty that soybean lodging has a greater impact on yield, once the lodging of soybeans occurs, the formation of yield difficulties, small grains, few grains, some grains and "pepper seeds", the yield is seriously reduced, under normal circumstances, the yield can be reduced by 20 30%, and the serious can reach more than 50%, or even more, so we must strictly prevent lodging in production to avoid losses.

1. Soybean lodging and yield reduction.

2. Analysis of the causes of soybean lodging.

To solve the problem of soybean lodging, we must first understand the causes of soybean lodging. First, the planting density is too large and easy to lodging, the general standard ridge (65 70 cm), the mu seedling should be controlled about 10,000 plants, and the 110 cm ridge should be controlled at 10,000 plants. The second is excessive application of nitrogen fertilizer, because soybean rhizobia has a nitrogen-fixing effect, phosphorus and potassium fertilizer should be reapplied in fertilization, light nitrogen fertilizer, and urea per mu can be applied about 5 6 kg according to soil fertility.

The third is the variety, the lodging resistance and the variety have a certain relationship, is a specific trait of the variety, and the lodging resistance between different varieties is very different.

2. Analysis of the causes of soybean lodging.

3. The main measures to prevent soybean lodging.

First, it is necessary to maintain a reasonable cultivation density, and determine a reasonable cultivation density according to soil fertility, variety characteristics, and local accumulated temperature. Second, it is necessary to apply fertilizer reasonably and balancedly, control the total amount of nitrogen fertilizer, prevent vigorous growth, and cause lodging. Third, according to the growth of soybeans, it is necessary to reasonably control the prosperity, once the soybean shows signs of vigorous growth, it is necessary to spray paclobutrazol, mequat + potassium dihydrogen phosphate, to achieve the effect of controlling the strong rod and preserving the flower and pod.

Fourth, we must choose high-quality varieties that are strong, drought-resistant, and lodging-resistant.

3. The main measures to prevent soybean lodging.

In short, there are many reasons for soybean lodging, which may be a single cause or a combination of several factors, so it is necessary to consider comprehensively and prescribe the right medicine.