To make the crop grow well, fertilizer selection is the key.
Organic fertilizers, inorganic fertilizers, biological fertilizers, which ones are suitable for your crops, and how can they be used properly to make the most contribution?
The advantages and disadvantages of various fertilizers
Fertilizer: The advantages are high nutrient content, rapid fertilizer efficiency, and significant yield increase. The disadvantage is that the nutrient is relatively single, usually requires several fertilizers in combination with the application; the nutrient release rate is fast, and the vertical equilibrium supply ability is poor; the volatiles, leaching, and fixation are lost through the I Ching; the fertilizer utilization rate is not high; the acid, alkali, and salinity Strong, improper application may not only be detrimental to the growth of the plant, it may also make the soil worse and reduce soil fertility.
Organic Fertilizer: The advantage is rich in organic matter and a variety of nutrients that plants need. It is an excellent soil improvement and fertility improver, which has a good effect on improving soil structure, increasing soil nutrient capacity, enhancing soil fertility and water retention capacity, regulating soil pH, promoting soil microbial activity, and improving soil nutrient availability. The disadvantage is that the nutrient concentration is low and the fertilizer supply is slow, so the yield increase effect is not as significant as that of chemical fertilizer.
Biological bacterial fertilizer: The advantage is that it can activate the fixed nutrient elements in the soil, stimulate the growth and absorption of the root system, and can reduce the amount of fertilizer applied to the corresponding nutrient elements. The disadvantage is that it does not contain any nutrients and it does not provide long-term nutrition for the crop. As the bacterial fertilizer is composed of live bacteria, it is usually kept out of direct sunlight and mixed with pesticides. The requirements for environmental conditions such as soil temperature, humidity, pH, and organic matter content are also more stringent.
Understand their advantages and disadvantages, it can be concluded that: fertilizer and organic fertilizer, biofungus fertilizer application effect is better than the individual application. However, in order to achieve the best effect of fertilization, several problems should be paid attention to in conjunction with the application.
How to achieve the best effect of fertilization
First, pay attention to the application time.
Organic fertilizers are slow to take effect and should be applied early. Generally, they should be applied once before sowing or before planting. It is best to decompose them before use, and the effect of subsequent application is less obvious than that of base fertilizer.
Fertilizers are quick to apply. When basal fertilizers are applied, they should be applied about one week in advance. Fertilizers should be applied before critical crop nutrition or before peak nutrient absorption to meet their needs.
Biological bacterial fertilizer can only exert its antibacterial effect after it is propagated in the soil in large quantities. Therefore, it must be applied early before planting so that it can grow and grow in size. It can be applied to the soil together with organic fertilizer, or before planting. Or apply when planting.
Second, pay attention to the application method.
The main role of organic fertilizer is to improve the soil, while providing nutrients, generally as a basal fertilizer applied to the soil, so it is necessary to combine deep ploughing, so that the soil and organic fertilizers are completely mixed to achieve the purpose of improving the soil. When serious soil problems can be used with the new yangfeng "Hundreds of States" seaweed rooting agent, etc., to better improve the soil environment, balanced nutrition, increase the soil pellet structure.
In basal fertilizers, nitrogen is the main nutrient in organic fertilizers, and nitrogen fertilizers with organic fertilizers can be used less. 30% can be used as base fertilizer and 70% as top-dressing fertilizer. Phosphate fertilizer and potash fertilizer can be used as a base fertilizer for one-time application. Phosphorus fertilizer is poor in mobility, and the application of phosphate fertilizer in the later period is very poor. Phosphate fertilizer should be used as the base fertilizer applied to the soil.
Topdressing fertilizers is best to use all-soluble fast-acting fertilizers, such as New Yangfeng “water platinumâ€, “Railway†and other fertilizers. Such fertilizers can be rapidly absorbed by crops after they are decomposed, and have little impact on the soil.
Because of the small amount of biological bacterial fertilizer, it can be concentrated in the planting hole or applied with organic fertilizer. In the later stage, the same biological bacterial fertilizer can be applied multiple times, such as the new Yangfeng "bacteria in the world" series of biological bacterial fertilizer, in order to enhance the flora, in order to improve the ability of phosphorus and potassium solution and disease prevention.
Again, pay attention to the amount of application.
Different crops have different fertility at different growth stages, and they can't use more or less. Fertilizer should be applied according to the proportion of different fertilizers required for the crop, and at the same time, it should be noted that the nutrient content in the soil is taken into consideration. It is advisable to carry out soil testing once and follow the recommendations of soil testing and formulating fertilization.
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