Technical points of how to fertilize and drought in high temperature and dry season
As the saying goes: "There is no income in the water, more income is in the fertilizer." This shows the importance of water and fertilizer to the crop, temperature is also an extremely important condition affecting the effect of fertilizer application, it can affect the fertilizer on the one hand The transformation in the soil and the accumulation of effective nutrients; on the other hand, it also affects the growth of crops and the respiration of roots, thus affecting the speed of nutrient absorption, transportation and utilization of crops. At present, many places in our province are hot and dry, and it is recommended that farmers and friends apply scientific fertilization to improve fertilizer efficiency.
First, the variety of fertilizer
On the one hand, phosphate fertilizer can be used more effectively at higher temperatures, resulting in good fertilizer efficiency; on the other hand, phosphate fertilizer can improve the utilization of water in the soil and play a mutually reinforcing role. In addition, sufficient phosphorus can increase the utilization of nitrogen and play a role in phosphorus and nitrogen. Reduce the application rate of nitrogen fertilizer, especially carbon ammonia which is susceptible to thermal decomposition, because carbon ammonia and high concentration of nitrogen fertilizer which are easily decomposed by heat are easy to cause crop burning.
Second, the amount of fertilizer
In the high temperature and dry season, under the illumination of strong light, the temperature of the bare ground can reach 50 ° C, the evaporation is strong, and the concentration of the surface water solution increases sharply. If the same amount of fertilizer is applied under normal weather, the crop yield can not be maintained or Increase production, and is likely to reduce production.
For example, when the precipitation is moderate, the application of 12 kg of pure nitrogen per mu may result in high yield, and if the same amount of fertilizer is applied at high temperature and drought, the risk of production is reduced. Some farmers have reported that last year's high temperature and drought, the level of Atractylodes fertilization was the same as that of the previous year. As a result, the output of Atractylodes sinensis was not increased and decreased, but the amount of fertilizer was not higher than that of fertilization.
Third, fertilization time
Fertilization in the morning, although the staff feels more comfortable, but as the sun rises, the temperature rises sharply, the water is quickly evaporated, the crop absorption time is short, the fertilizer utilization rate is low; fertilization at noon, due to high temperature, is not conducive to fertilizer Absorption and personnel operation; fertilization in the evening, which is suitable for personnel operation and can make up for the shortcomings of crop absorption time (because the night is a process of temperature reduction, surface water evaporation is weak, and moisture retention time is long), which is the best fertilization time.
This article URL: How to apply fertilizer and drought protection technology in high temperature and dry season
The so-called veterinary drugs, referred to as veterinary drugs, refer to drugs that can regulate the function of livestock from the body and prevent and cure livestock and poultry diseases. Natural plants, animals, minerals, and synthetic drugs and immunizations can all be used as veterinary drugs. Feed additives used in animal production are also often included in the category of veterinary medicines
Veterinary Drug,Hyaluronic Acid Powder,Oxytoci Acetate,Dmaa Powder
Shaanxi YXchuang Biotechnology Co., Ltd , https://www.peptide-nootropics.com