Sowing wheat to increase phosphorus production
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Phosphorus is a constituent of important life substances of wheat. It can show its full potential in all aspects of plant life activities. It is also a good idea to help the operation and loading and unloading of plants. The carbohydrates (sugars) formed by photosynthesis of plants can only be combined with phosphoric acid to become a flowing form and transported to various places. Compounds transported to different parts can be assembled into compounds of various macromolecules through the use of phosphorus bridging. , Construct plants, supply them to plants, or store them as seeds in the seeds; they can also break down some macromolecular compounds into small molecules to meet different uses. Because of this magical effect, photosynthesis products are difficult to transport after phosphorus deficiency. Without these organic substances in the underground, the root system of wheat will become weak, and the birth will be reduced. In the severely phosphorus-deficient land, wheat will lose its ability to deliver and become the commander of the light pole. Because of this function of phosphorus, he can transport organic products formed by photosynthesis into wheat seeds as early as possible, so that the grains will be full, the seeds will be heavy and mature earlier, and the wheat with phosphate fertilizer will mature 2 to 3 earlier. day. Phosphorus uptake is weak during wheat seedlings, and it is particularly sensitive to the reflection of phosphate fertilizers. The application of phosphate fertilizers can meet the requirements of those wheat seedlings that are not strong enough to feed and have a particularly prominent role. However, in recent years, due to the large amount of applied phosphate fertilizers, phosphate fertilizers also have malfunctions: they are not effective after being used on some fields. Therefore, whether or not to use phosphate fertilizers has to look up the history of fertilization and double the old account of fertilization. Check the history and turn over the old account to pay attention to the following three aspects: First, see if organic fertilizer has been applied. Organic fertilizers are rich in phosphorus, and the effect of phosphate fertilizers is good. In fields where organic fertilizers are applied, phosphate fertilizers can no longer be used; second, whether or not phosphate fertilizers have been applied in recent years. If, in recent years, phosphate fertilizers are used year after year, the amount of phosphorus accumulated in the soil will meet the needs of wheat, and phosphorus fertilizer will no longer be needed. Third, look at the soil. The soil developed on the loess is rich in phosphorus. In recent years, the field where phosphate fertilizer was applied has increased its storage capacity. Phosphorus application is often ineffective. In the absence of phosphorus in sandy land, the chloride ions in the salt land will preferentially enter the root system of the crop, occupying the position where the root system absorbs phosphorus ions, and forcing the phosphorus into the plants. In these soils, the preferential application of phosphate fertilizers should be considered. But no matter which kind of soil, as long as the late planting of wheat, pay attention to the application of phosphate fertilizer. Test results One test was conducted on soils deficient in phosphorus and wheat was sown in two phases. The first phase was carried out during the appropriate sowing date of wheat, and the second phase was broadcast half an hour later than the first phase. There were two kinds of nitrogen fertilizer and nitrogen fertilizer plus phosphate fertilizer for each sowing date. As a result, 667 kg per mu were planted on a regular basis with only nitrogenous fertilizer, 502 kg per mu was produced with a nitrogen fertilizer, and 86 kg was increased with phosphate fertilizer; 328 kg per acre were planted with nitrogen fertilizer during the second period; nitrogen fertilizer and phosphorus fertilizer were used. The production of 483 kg of phosphorus per mu yielded an increase of 154 kg. The same amount of phosphate fertilizer applied to late sowing wheat almost doubled the yield of wheat sown in the current period. It is worth noting that the difference in sowing date is half a month, and late-seeding without applying phosphate fertilizer is weak, resulting in a severe reduction in yield. Phosphorus fertilizer applied is not only more than the wheat output during the period of sowing for applying phosphate fertilizer, but it is only slightly different from the previous application of phosphorus fertilizer. kg. The late-seeding back-to-earth wheat reached the same level as the early positive wheat. The other experiment was the same as the previous experiment, but the experiment field had high fertility, yielded 800 kilos per mu, and had rich soil phosphorus. In this field, proper sowing, no significant effect of phosphorus; after half a month later, phosphorus production increased 132 kg. Why do we have to apply phosphorus fertilizer to late sowing or returning wheat? One reason is that wheat is sown in the fall. With the delay of the sowing date, the soil temperature is getting lower and lower. Soil has two negative consequences for the reduction of the degree: First, the available phosphorus for the soil to be used by crops is more and more dependent on less. The available phosphorus in the soil varies with temperature. The high temperature can stimulate the activity of phosphorus, the activation of phosphorus, the increase of available phosphorus, the binding of low temperature can restrain it, and reduce the available phosphorus. Due to the reduction of available phosphorus, the original soil containing sufficient available phosphorus became insufficient during this period. Second, the root system of wheat is also “lazyâ€, with high temperature, strong activity of the wheat root system, and active absorption of phosphorus; low temperature, weak wheat root system activity, and less than the mouth of the food is often ignored. Another important reason is that phosphate fertilizer has a role in promoting the delivery of wheat. An important reason for the late sowing of wheat crops is that there are fewer tillers, sowing too late, and there will be no births, and "single shots" will be overwintering. The reduction in labor was accompanied by a reduction in the number of panicles and grains. This chain reaction eventually led to a reduction in wheat production. A major contribution of phosphate fertilizers is the ability to increase childbirth. Therefore, in the case of a decrease in soil phosphorus and a weak wheat absorptive capacity, it will be delivered to your door; applying phosphate fertilizer will increase the amount of available phosphorus in the soil, and will send “food†to the mouth of wheat, even if it is not active. Wheat roots will also get enough phosphorus. The late sow or back wheat jumped into the sky and overtook wheat.