If wheat is harvested late, will it really reduce the yield?

Signs of wheat ripeness.

The wheat harvest period mainly depends on the maturity of the wheat grains. The ripening period of wheat is divided into milk maturity, waxy maturity and full maturity. The stems and leaves of the milk maturation stage gradually change from green to yellow-green, and there are milky inclusions in the grains.

When the milk matures, the volume and fresh weight of the cereal reaches its maximum, the color of the cereal changes to pale yellow, the groin is green, the moisture content of the cereal is 45 -50, and the moisture content of the stem is 65 -75. The grain content of the wax maturation stage is waxy, and as the maturation stage progresses, the hardness changes from soft to hard.

At the ripening stage, the leaves wither, the cereals harden, showing the true color of the variety, with a moisture content of less than 20 and stems of 20-30. After the ripening period, the nutrients from the wheat grains will flow back to the straw, resulting in a decrease in grain weight and a reduction in yield of 30 kg to 50 kg per mu. In the case of continuous rainfall, the grains will germinate and become moldy, and the quality will deteriorate, resulting in greater losses.

How to correctly determine the ripening period of wheat wax?

Early wax maturation: the dorsal surface of the kernels is yellowish-white, and the groin is yellowish-green. It is easy to break the grain by pinching it with your fingernails.

The grain content is waxy and can be rolled into strips. The upper part of the spike and the neck of the panicle turn yellow, most of the leaves begin to turn yellow, only the top 1 to 2 leaves remain green.

Wax medium ripening: the kernels are all yellow, soft and elastic. Cereals can easily be crumbled by fingernails. The 1000-grain weight is close to or at its maximum. The top of the stem turns yellow, and the roots of the stalk remain green. The mango began to be fried, while the wheat straw was still elastic.

Late waxing: the plant is all yellow, the stalks still maintain a certain elasticity, the shape and color of the seeds are the same as the original variety, it is not easy to pinch the seeds with fingernails, and the 1000-grain weight reaches the maximum.

Nitrogenous substances and soluble carbohydrates of the plant continue to be transported from the stems and leaves to the grains throughout the wax ripening period until the end of wax ripening, during which time the moisture of the grains drops to 20 -30 periods.

The best time of day for wheat to be harvested.

The best time of day is: 9 a.m. to 11 a.m.; 4 p.m. to 6 p.m. There are two reasons for choosing these two time slots:

The dew on the wheat straw has not completely evaporated before 9 o'clock, 11 o'clock to 16 o'clock, the weather is too hot, the wheat straw is dry, and after 18 o'clock, the dew begins to appear slowly.

During these two periods, wheat is not wet, does not thresh easily and is not too dry. If the wheat straw is too dry, the wheat grains are prone to collapse on their own, and it is not easy to return the grain to the warehouse.

Pay close attention to changes in wheat grains before harvesting. When inspecting a grain, select a representative panicle of the field and then take the middle grain of that panicle for inspection, as the same panicle does not ripen at the same time, but gradually matures from top to bottom.

Yes, if the wheat is harvested too late, the fruit will fall into the ground, and the harvest will not be good. Therefore, the wheat harvest is also time-related, neither early nor late.

Late wheat harvesting will not reduce the yield, but will increase the yield, because the wheat needs a few more suns after maturity, it will be more mature, and it will be more convenient to harvest.

Personally, I think that if the wheat is harvested late, the yield will definitely be reduced, because if the harvest is late, the wheat will already be overripe.

Wheat harvesting is particular, the old saying often "nine ripe, ten harvest, ten ripe, one lost", or "nine percent of the harvest to protect ten percent, ten percent of the harvest lost one percent". They are all saying that the wheat harvest should neither be too early nor too late. There are two processes for wheat to reach maturity, first the wax maturity stage and then the full maturity stage.

At the wax maturity stage, the 1000-grain weight of wheat reaches the maximum, which means that the yield of wheat reaches the maximum value of the whole maturity period. However, if the wax maturity period is exceeded, the specific situation is that the wheat is only eight ripe, both in the past and now. In the past, manual harvesting required baling, and overripe wheat was easy to cause ear loss and threshing, and it was impossible to twist the waist with wheat strips (for baling wheat), so it was indeed too troublesome to harvest at this time, and the loss was not small.

<> fact, late wheat harvest will indeed reduce the yield, and there are two main reasons for the yield reduction, one is that the weight of the wheat grains becomes lighter, and the other is that the wheat grains will fall off if they are too ripe. As for judging the timing of wheat harvesting, an important reference is the weather conditions, if the weather is fine and there is no rain in the next week, you can properly let the wheat dry on the ears of wheat and then harvest, at this time the state should be gentle on the ears of wheat, and the wheat grains will be easy to detach and chew. Basically, you can cut it when it's almost dry, and it's easy to drop grain and reduce yield if it's too long, but if the weather is bad, you can cut it a day or two in advance, and the main reason why you need to dry it at home is that growing grain is not profitable, and even losing money.

The peasants were careful to plant less, to ensure food rations, and the rest of the time, to work to earn money. With the passage of time, the old peasants will grow old, the price of grain will not increase, and more and more land will be discarded.

Because some farmers have chosen wheat varieties with poor resistance to low temperatures, this year's main wheat producing areas in China have encountered low temperatures that have never been seen for decades, and the reason for freezing is the main reason for wheat to suffer from frost damage. The North China Plain is an important wheat producing area in China, and Henan is a province dominated by agricultural production and a major grain-producing province in our country. Due to the lack of groundwater resources in Hebei, the state has controlled the sown area of wheat, and the output has been reduced a lot.

Late wheat harvesting reduces yields. After the wheat maturity stage, the nutrients from the wheat grains will flow back to the straw, resulting in a decrease in grain weight and a yield of 30 to 50 kg per mu.

Yes, because if the wheat is harvested very late, it will cause a waste of resources and lead to a decrease in yield.

If the wheat is harvested late, the yield will indeed be reduced, because this is the time when the weight of the wheat becomes lighter, and the wheat is harvested late, and it will fall off if it is too ripe, so it will be wasted.

Don't think too much, wheat has to grow naturally to be fragrant, it is also a summer cropIt is impossible to make it precocious。Instead of trying to do the wrong thing, it is better to take good care of the wheat so that the yield will increase.

01. Reasonable fertilization makes wheat grow better and yield higher. First of all, there is no way to make wheat mature early, but you canProper fertilization, let the wheat grow better, and the final yield will not disappoint you. However, it is necessary to implement balanced fertilization according to the soil fertility status of the region, combined with the law of fertilizer demand for late-sown wheat, such as the combination of organic fertilizer and inorganic fertilizer, or the four supporting facilities of nitrogen, phosphorus, potassium and micro fertilizer.

In addition, late-sown wheat should be selected to be resistant to late sowing, early maturity, and good yield. When fertilizing, 60 kg of ammonium carbonate, 55 kg of superphosphate, 15 kg of potassium chloride, and 1 kg of zinc fertilizer should be applied per mu. At the same time, actively promote the application of chemical fertilizer deep application technology to improve the utilization rate of chemical fertilizer.

02. Reasonable spraying to control pests and diseases and improve yield. In addition to doing a good job of reasonable fertilization, it is also possibleSpraying pests and diseases, can be added to the wheat field into the potassium dihydrogen phosphate, brassin, foliar fertilizer containing a variety of trace elements, sprayed once every seven to ten days, sprayed three times, sprayed per mu two sprayers 60 kg of water. This method is good for wheat filling, and it can also resist dry and hot winds, allowing the wheat to ripen a week earlier.

However, it should be reminded that wheat cannot be sprayed with ethephon, and ethylene can only be used on cotton and fruit treesCooked。Lest the yield of wheat not increase, but decrease the yield of wheat, then the gains outweigh the losses, and there is no need to do such stupid things.

All in all, the early maturity of wheat is determined by the variety of wheat and the weather of the region, and the wheat in China is generally matured from south to north. For example, Henan Province, the main wheat producing area, began to mature from Xinyang and Nanyang in the southernmost part of Henan and slowly extended to the northern region of HenanIt doesn't have to be high.

Some farmers spray the concentration of "potassium sulfate" in the wheat filling stage, and use 3 ml - 10 ml of 40% ethephon preparation per mu at the wheat rejuvenation stage, because the use of these fertilizers can enhance the lodging resistance and have a certain promotion effect on early maturity in the later stage.

You can add a lot of fertilizer to the wheat after the rain, so that the wheat can ripen quickly, and then speed up the process and increase the light time, so that the yield can be high and not reduced.

Farmers generally add some fertilizers or ripening agents to the wheat, which can make the wheat mature quickly and early, and the yield will not be reduced.

Be sure to pay attention to the temperature, pay attention to the use of fertilizer, so that you can do it well, you must pay attention to the choice of varieties, you can choose some early-maturing varieties, which will not reduce the yield.

Summary. Hello dear, it's a pleasure to serve you. 1.Judging by the international situation. If China imports wheat and the production is reduced. Then the price of wheat will rise in the later stage.

Hello dear, it's a pleasure to serve you. 1.Judging by the international situation. If China imports wheat and the production is reduced. Then the price of wheat will rise in the later stage.

2.But judging by the domestic situation. At present, the harvest progress of the main wheat producing areas is very fast, and then Zheng Liang will soon be basically all shouted to the end of the file, this year's summer grain purchase start, can be described as a boom in purchase and sales, market activity is also higher, wheat, early indica rice ** are higher, the possibility of starting the purchase of the city is small.

Therefore, it is expected that the key pure wheat **** will have support in the second half of 2022, but there is also some pressure, and the whole should run in a reasonable range.

3.Since the beginning of the summer harvest work, the purchase of wheat in China is generally about five pounds, which greatly exceeds the minimum purchase price of wheat set by the state this year, so for the trend of wheat in the next half year, there is actually a certain support, of course, the market is also changing rapidly, and various factors will affect the fluctuation of the food from the oak, so it is recommended that grain growers pay attention to the latest developments in the market at any time.

Wheat harvesting is particular, the old saying often says "nine perfect, ten percent harvest, ten perfect, one percent lost", in other words, "ninety percent of the harvest is guaranteed ten percent, ten percent of the harvest is lost". It's all about saying that the wheat harvest should not be too early or too late. Experienced farmers are able to manipulate the wheat harvest time, go to the wheat field a few times before the wheat harvest, rub the wheat ears with their hands to carefully check the wheat bran, or pinch the wheat grains with their fingernails, whether they can pinch the wheat bran, or only pinch out the nail marks to distinguish the ripeness.

There are two processes for wheat to mature, the first is the wax ripening period, and then the full ripening period. At the wax maturity stage, the emergence rate of wheat grains reaches the highest value, in other words, the total yield of wheat at this moment reaches the highest value of all ripeness. However, if the wheat is harvested after the wax maturity period and is not harvested until the wheat maturity stage, the grain emergence rate of the wheat will decline, and the yield of the harvest will of course be reduced compared to the harvest at the wax maturity stage.

In addition, when the wheat reaches the ripening stage, all the stems are withered, the volume of the grains becomes smaller, the moisture content decreases, and it shows a hard shape, which is not easy to crush when pressed with fingernails.

When wheat reaches the ripening stage, it can be divided into milk ripening stage, wax maturity stage and full maturity stage. The wax ripening period can be subdivided into three stages: the early wax ripening stage, the middle and late wax ripening stage and the late wax ripening stage. In that way, the best time to harvest wheat is at the later stage of wax ripening, and this can be distinguished in this way, that is, by analyzing the external appearance of the wheat.

At this time, all the wheat plants show pale yellow, the stems still maintain a certain degree of ductility, and the appearance and color of the seeds are the same as the characteristics of the original species.

The net weight of wheat bran becomes lighter, like planting vegetables, there will be a larger volume, this time belongs to the net weight of the larger, and once it is perfected again, the net weight of vegetables and fruits will become lighter and lighter. The same is true for wheat, which will have the best ripeness, at this time the wheat bran is the most round, the more net weight, the more wheat can be harvested at this time. As for how to determine the time of harvesting, if the temperature has been good, eat a bite of wheat immediately, it feels very simple and the particles are already mellow and can be harvested, which is also the best situation for harvesting.

Late wheat harvesting reduces yields. The wheat is harvested nine times and ten percent is harvested, and the wheat can be harvested when it grows to nine years. Be sure to find someone experienced to determine if the wheat is ripe.

At harvest time, we usually go to the field to open the wheat husk, as long as it appears dry and can be harvested, if the harvest is finished, the wheat will fall directly to the ground and waste the yield.

Late harvesting of wheat does affect yields, and the timing of harvesting generally depends on the color of your wheat.

Wheat harvesting earlier will reduce yields. If the wheat is harvested in advance, the wheat grain filling will be insufficient, the grains will collapse, and the 1000-grain weight will be low, thus reducing the yield. At the end of wax ripening, the plant does not transport nitrogenous substances and soluble carbohydrates, so if it is harvested too late, nutrients will flow back to the plant straw, which will also lead to reduced yields.

The best time to harvest wheat is at the end of wax maturity, and whether it is harvested early or too late, it will have an impact on wheat yield.

1. Is the yield reduced when the wheat is harvested early?

1. The impact of harvest time on yield is quietly round.

1) If the wheat is harvested in advance, it will lead to insufficient grain filling, more grains, and lower 1000-grain weight, which will lead to a decrease in wheat yield.

2) At the end of wax maturity, the plant will stop transporting nitrogenous substances and soluble carbohydrates from the stem and leaf to the grain, and if the wheat is harvested too late, the nutrients in the wheat will flow back to the plant straw, so that the wheat yield will decrease, and the starch and protein content will also decrease. According to the test, compared with the wheat harvested at the end of the wax maturity stage, the 1000-grain weight is reduced by about 13-15kg, and the yield per mu of wheat harvested after the wheat maturity period will decrease by about 20kg.

2. Harvest time.

1) The best time to harvest wheat is at the end of wax maturity (1000-grain weight is the highest value), and early or late harvesting will lead to a decrease in wheat yield.

2) Signs of the end of wheat wax maturity: the stalks and leaves of the plant have turned yellow, the stalks are still elastic, the inside of the grains is waxy, the water content is about 20-30%, and the color and shape are basically the same as the original varieties.

2. Precautions for wheat harvesting

1. Harvest at the right time.

1) Wheat harvesting too early will lead to insufficient grains, low yield and quality, and high grain moisture, which is inconvenient for storage.

2) If the wheat harvest is too late, it will not work, too late will make the wheat grains easy to fall, and the straw is easy to lodging, which will increase the difficulty of harvesting and easily cause harvest loss.

2. Pay attention to the weather.

1) Be sure to pay attention to the weather conditions and seize the time to harvest.

2) The best weather for harvesting wheat is a sunny day, because a sunny day can facilitate the wheat to dry, while a rainy day is not easy to dry, which will increase the possibility of mildew in the wheat.

3) At the same time, it is also necessary to pay attention to severe weather such as thunderstorms and strong winds, which are prone to meteorological disasters such as heavy rainfall and hail, which will lead to lodging and large-scale reduction of wheat yield.

3. Grain storage.

The freshly harvested wheat grains should be placed in a warehouse with good ventilation conditions, and at the same time, they should be regularly ventilated and dried to avoid mildew and affect the quality of wheat.