Water-soluble fertilizer is a new type of environmentally-friendly fertilizer that is easy to use, can be sprayed, sprayed, and used in conjunction with drip irrigation to increase fertilizer efficiency, save water for agriculture, reduce ecological pollution, improve crop quality, and reduce labor. obvious advantage. With the intensification and large-scale development of China's agriculture, the water-saving facilities such as drip irrigation and sprinkler irrigation have expanded rapidly, and the application prospect of water-soluble fertilizers will be very broad. Choose more efficient crops The water-soluble fertilizer not only has relatively comprehensive nutrient elements, but also has a rapid fertilizer effect. After application, it can achieve the desired effect in a relatively short period of time. In addition, special fertilizers for different fertilizers can be produced according to the characteristics of fertilizers required for different crops, which are currently sold on the market. There are special water-soluble fertilizers for various crops such as vegetables, fruit trees, flowers, grain, cotton, and oil. However, the price of water-soluble fertilizers is much higher than that of solid fertilizers. Therefore, when selecting crops, it is best to target crops with higher yields, such as strawberries, vegetables and fruits, in order to obtain the best benefits; Lower, generally do not use water-soluble fertilizer (except potassium dihydrogen phosphate spraying on wheat). Master fertilization skills Avoid direct flushing and adopt double dilution method Since water-soluble fertilizers are different from general compound fertilizers, they should not be applied in accordance with conventional methods when they are applied, so as to avoid the occurrence of burning seedlings and roots caused by non-uniform fertilization; secondary dilution is not only beneficial to the uniform application of fertilizers. It can also increase fertilizer utilization. Strictly control the amount of fertilizer Water-soluble fertilizers have higher nutrient contents than conventional compound fertilizers and use less amount. Because of its fast-acting nature, it is difficult to retain in the soil for a long time. Therefore, it is necessary to strictly control the amount of fertilizer to avoid the loss of fertilizer, that is, to reduce the economic benefits of fertilization and fail to reach the goal of high yield, quality, and efficiency. Use as much as possible or mix with non-alkaline pesticides For example, in the absence of vegetables or poor root growth in vegetables, many farmers use more methods of spraying water-soluble fertilizer to ease. In this remind farmers friends, water-soluble fertilizer should be applied as far as possible alone or mixed with non-alkaline pesticides, in order to avoid precipitation of metal ions, resulting in leaf damage or injury. Reasonable use and frequency Generally speaking, water-soluble compound fertilizer formula is more reasonable, more nutrients, more targeted for the crop. However, unreasonable use in production can also result in waste of fertilizer and even negative effects. Small number of multiple applications This is the most important principle for the application of water-soluble fertilizers, because this method not only meets the characteristics of uninterrupted nutrient absorption of plant roots, but also meets the characteristics of water-soluble nutrients that are easily lost. A small number of multiple applications can also greatly improve the utilization of water-soluble fertilizers. Pay attention to nutrient balance Water-soluble fertilizers are generally poured, sprayed, or mixed into water and applied with irrigation (drip irrigation, sprinkler irrigation). What needs to be reminded here is that when drip fertilization is used, the root growth is intensive and the quantity is large. At this time, the dependency on the supply of nutrients to the soil is reduced, and it is more dependent on the nutrients provided by drip irrigation. There is a higher demand for a reasonable ratio and concentration of nutrients. If the formula is not balanced, it will affect crop growth. In addition, water-soluble fertilizers should not be applied with conventional irrigation methods such as flood irrigation or flowing water irrigation to avoid fertilizer waste and uneven application. Safe application to prevent burning of leaves and roots Inappropriate application of water-soluble fertilizers, especially when applied together with sprinkler irrigation and micro-spraying, it is extremely prone to burning leaf and burning roots. The fundamental reason is that the fertilizer is too soluble. Therefore, in the deployment of fertilizer concentration is to be in strict accordance with the instructions of the concentration of deployment. However, due to different salt levels in different areas, the same concentration of burned leaves and roots occurred in individual areas. The safest method in production is to find the appropriate concentration of fertilizer in the region through fertilizer concentration tests. 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