Temperature is a very important condition affecting the effect of fertilizers. It affects the transformation of fertilizers in soil and the accumulation of effective nutrients on the one hand, and affects the growth of crops and the respiration of roots on the other hand, which affects the speed of absorption, transportation, and utilization of nutrients by crops. In the late spring and early summer, the climate in our province was hot and drought-prone. It is recommended that farmers use scientific fertilization to increase fertilizer efficiency.
Fertilizer Varieties Applying Phosphorus Fertilizer Less Nitrogen Fertilizer
Phosphate fertilizers, on the one hand, can be used more effectively at higher temperatures, resulting in good fertilizer efficiency; on the other hand, they can increase the availability of water in the soil and act to relieve drought and promote each other. In addition, sufficient phosphorus fertilizer can increase the utilization of nitrogen, play a role in phosphorus nitrogen. Reducing the amount of nitrogen fertilizers, especially carbon-ammonia that is prone to thermal decomposition, is due to the easily decomposed carbon ammonia and high-concentration nitrogen fertilizers that easily cause crops to sprout. The amount of fertilization cannot equal normal weather
In high temperature and dry season, the soil moisture evaporates strongly and the concentration of surface water solution increases sharply. At this time, if the fertilizer is applied as much as under normal weather, the crop yield will not be maintained or increased, and production may be reduced. For example, when rainfall is moderate, maize yields 12 kg of pure nitrogen per acre, which may yield high yields. If the same amount of fertiliser is applied at high temperatures and drought, it will face the risk of reduced production.
The best time to apply fertilizer
Fertilization in the morning, although the operator feels more comfortable, but with the rise of the sun, the temperature rises sharply, the water is quickly evaporated, the crop absorption time is short, the fertilizer utilization rate is low; noon fertilization, due to high temperature, is not conducive to fertilizer Absorption and personnel operations; late fertilization, both suitable for personnel operation, but also make up for short crop absorption shortcomings (because the night is a process of lowering temperature, evaporation of surface water is weakened, water retention time is long), is the best fertilization time.
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