What is good for interplanting spring wheat
Introduction to this article: For the knowledge of what good flowers are interplanted with spring wheat, let's follow the editor to see the specific content! What is good for interplanting spring wheat? It is better to interplant spring wheat and cotton. Due to the barrier effect of wheat, it can directly affect the invasion of cotton aphids. This intercropping method is very beneficial to cotton aphids at seedling stages. Generally, harm can be controlled without applying pesticides. It should be noted that spring wheat interplanting should be selected with improved varieties and sown at the right time. For example, in northern Hebei and northern Shanxi, spring wheat should generally be sown around March 15. The survival rate of seedlings interplanted with spring wheat and interplanted with Bupleurum bupleuri increased by 17.6%; the biomass of Bupleurum increased by 25.5%, improving the quality and yield of Bupleurum bupleuri, and the economic benefits are far greater than the economic benefits of harvesting more spring wheat in one season. What high-yield spring wheat interplanting with edible sunflower is relatively high-yield. Efficient cultivation requires careful soil preparation and reasonable fertilization; select excellent wheat varieties, timely sowing density, and strengthen management; implement scientific management to promote plant growth; harvest timely to ensure the appearance of seeds. What crops is best to interplant spring wheat? Interplant wheat and cotton. Due to the barrier effect of wheat, it can directly affect the invasion of cotton aphids. This intercropping method is very beneficial to cotton aphids at seedling stages, and damage can generally be controlled without applying pesticides. What is the best benefit of interplanting spring wheat? Wheat interplanting soybeans? Soybean rhizobia can fix nitrogen in the air, and wheat root exudates contain a large amount of carbohydrates. Both sides provide nutrients to each other, thereby achieving the effect of increasing production and income.
Spring wheat interplanting technical methods 1. Sowing: Spring wheat interplanting alfalfa generally adopts a ridge-separated planting model, spring wheat adopts large ridge sowing, and alfalfa adopts flat sowing. Alfalfa is known as the "king of forage". It not only yields high, but also has excellent grass quality. 2. Field management: The planting area of alfalfa is expanding, and the primary roots of alfalfa can go deep underground. When plants grow for more than 20 years, if the subsoil is porous, the main root can be more than 15 meters (50 feet) deep, so alfalfa is extremely tolerant to drought. The roots of the seedlings can penetrate 90 centimeters into the soil at 2 months of growth, and reach 180 centimeters (6 feet) at 5 months of growth.
Precautions for interplanting spring wheat. Spring wheat interplanting must be selected with improved varieties and sown at the right time. For example, in northern Hebei and northern Shanxi, spring wheat should generally be sown around March 15, while corn should be sown around April 20, when the ground temperature of 5cm is stable. Plant when it passes 10 degrees. Two plants in one hole can be used to achieve the density of 400 plants/mu.
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Knowledge expansion What to do if wheat lacks seedlings and ridges? At this stage, winter wheat is missing seedlings and ridges. If replanting is carried out, it will be a bit unnecessary to rush. Because November is getting lower and lower, if replanting is carried out, the seedlings may not emerge. Even if the seedlings do, they may be damaged and frozen to death, and there will be no harvest. This also depends on the specific weather changes, the region and environment.
Since entering November, the temperature has not dropped significantly, and the wheat planted is growing well and is on the verge of prosperity.
There has been a sudden cold wave in the past two days, and the temperature has dropped a lot. Although this is the case, if there is a shortage of seedlings and ridges in some fields, do you think it can still be replanted?
At this stage, winter wheat is missing seedlings and ridges. If we replant it, it will be a little unnecessary to rush.
Because November is getting lower and lower, if replanting is carried out, the seedlings may not emerge. Even if the seedlings do, they may be damaged and frozen to death, and there will be no harvest. This also depends on the specific weather changes, the region and environment. First, the temperature is low and it is not suitable for growth
Take my area for example, the lowest temperature in recent days can reach 0 ° C, and the highest daily temperature is 12-13 ° C. Therefore, due to the influence of the temperature, even if replanting is carried out, it will make it difficult to sprout.
Even if it emerges, the lower and lower temperatures will become a stumbling block in its growth process, preventing its development and tillering, so it cannot survive the winter safely and can cause frostbite, freezing, and freezing to death. Second, the time between the two is too long
At present, the wheat that has been sown normally has grown to several centimeters, while the wheat that has been replanted has just been buried in the soil, and their growing periods are inconsistent.
By the beginning of spring, the former wheat will return to green and develop, but the replanted wheat will not meet its growth requirements at all. It will inevitably lead to situations of different sizes and heights, which will inevitably lead to the emergence of weak seedlings, resulting in incomplete grains, and thus reduce production.
The seedlings that are replanted will not yield, so it is better not to replenish them! It wastes both seeds and nutrients, which is not worth the gain!
At this time, if we no longer have to rush to replant, we can interplant some other crops, such as spring corn, when the ground temperature rises next year, and we can still have a good harvest.
In short, it is a bit too late to replant winter wheat in November, mainly because lower and lower temperatures hinder its growth. We still need to conduct a specific analysis based on specific situations. Pictures and control methods of wheat seedling diseases There are still many diseases in wheat seedling stages, mainly including five diseases: wheat sheath blight, wheat root rot, wheat base rot, wheat take-all disease, and wheat rust. Regarding the prevention and control of wheat sheath blight, we use triazole fungicides to prevent and control wheat root rot, we can use hymoxazole to prevent and control wheat base rot, we can use pesticides and phosphorus and potassium source reservoirs to prevent and control wheat base rot. Wheat seedling diseases and control methods After spring, the temperature rises, there are more and more diseases and insect pests in wheat, and there are more and more yellowing of wheat leaves and dead seedlings. In terms of diseases, wheat seedlings mainly include sheath blight, root rot, stem base rot, take-all, and rust. Let me talk about the prevention and control of these diseases.
Wheat sheath blight symptoms Wheat sheath blight
sheath blight occurs more frequently in wheat and may occur in all growth stages of wheat. After the wheat seedling is infected, the infected seedlings will die and the coleoptiles will turn black.
At the tip of wheat leaves 3-4, cloud spots appear on wheat leaf sheaths when boiled water is scalded, flower stems and rotten stems appear on poles, and white mycelia appear when the humidity is high.
Wheat with sheath blight is also prone to lodging. The temperature rises during the spring jointing and turning green period, the infection rate of bacteria will accelerate, and the development rate of sheath blight will also be faster.
Prevention and control methods: It is recommended to use triazole fungicides for prevention and control, and it is recommended to use tebuconazole, hexiconazole, azoxystrobin, and thiofulamide for prevention and control. It is recommended not to use too much nitrogen fertilizer. Adding phosphorus and potassium source sinks when spraying pesticides will help improve wheat resistance and reduce the occurrence of diseases.
Wheat root rot symptoms Wheat root rot
Wheat root rot is a soil-borne disease that mainly harms underground roots and roots. In severe cases, the leaves will die. In this way, the root system of the wheat will also rot, and as the root system rots, the above-ground parts will also die.
Control methods: Root rot is related to climate and farming patterns, as well as excessive nitrogen fertilizer application. It is recommended to use difenoconazole to dress seeds, and hymoxazole to prevent and control the disease when the disease is severe.
Wheat base rot symptoms Wheat base rot
Wheat base rot occurs frequently in seedling stages and develops rapidly during the green period. Disease spots form at the stem base internodes, and in severe cases, the wheat will die. White mold layers will appear when the humidity is high.
The occurrence of base rot is also related to the application of nitrogen fertilizer. The lack of winter irrigation in winter may also affect the occurrence of the disease.
Prevention and control methods: Adding phosphorus and potassium sources and reservoirs when spraying pesticides can help reduce the occurrence of diseases. It is recommended to coat wheat base rot to prevent it, which can reduce the incidence of disease after returning to green.
wheat take-all disease symptoms wheat take-all disease
Take-all disease is a root disease. After seedlings are infected, the roots turn black, and in severe cases, the roots turn black. The leaves turn black during seedling stage and form "black feet" symptoms. The prevention and control effect of wheat take-all disease in the later stage is poor, which is an important prevention.
Prevention and control methods: It is recommended to use coating to control it. Rust is not a disease that occurs more frequently in wheat. It is recommended to control it together with other diseases.
Wheat rust symptoms Wheat rust
Winter wheat occurs earlier and occurs more frequently when the temperature is high in winter. Too much nitrogen fertilizer application will also occur more. Wheat rust occurred seriously in the past few years, so special attention is needed. Moreover, wheat rust occurs in various periods, and timely prevention and control results are good.
Control methods: Triazole fungicides are commonly used pesticides for wheat rust. Azoxystrobin, fluoriconazole, tebuconazole, etc. are all effective. If the resistance is serious, appropriate rotation of drugs can be used to reduce the spread of the disease. Wheat planting time and method Cultivation management technical points There are many methods for planting wheat, and different planting methods have different suitable planting times. If planting is done by cutting, it is usually carried out in February to March of spring, and layering propagation can be carried out in winter or spring. You can choose the appropriate planting time according to your own needs. There are many methods to plant wheat, and the suitable planting time for different planting methods is also different. If planting is done by cutting, it is usually carried out in February and March of spring, and layering breeding can be carried out in winter. It can also be carried out in spring. You can choose the right planting time according to your own needs. Wheat planting methods and key points 1. When sowing and planting wheat, the planting method of double-strip mechanical sowing can be used. After sowing, the soil on the ground must be compacted. Generally, 5 million to 6 million plants of high-quality wheat are guaranteed to emerge in one hectare. It is necessary to ensure that sowing is not repeated or missed, and the depth of the seeds is consistent.
2. When fertilizing and planting wheat, the fertilizer should be mainly organic fertilizer. A suitable amount of high-quality agricultural fertilizer should be occasionally applied to the wheat fields, which should be added when the soil is plowing. It can be added in the later stage according to the growth of the wheat. Never directly mix fertilizer and seeds. Precautions for wheat planting. You should pay attention to sowing wheat. The slower the seedlings grow, the more nutrients the seeds need in the soil, the weaker the seedlings will be, and the more likely they are to get sick. Therefore, try to choose high-quality seeds, and deal with them in advance to increase the speed at which they sprout.
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The above is a detailed introduction to what is good for interplanting spring wheat. Do you understand it?