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How to mix organic fertilizer, inorganic fertilizer and biological fertilizer reasonably?

VIEWS: times Release Date:2020-09-15

For crops to grow well, fertilizer selection is the key. However, there are so many fertilizer choices, organic fertilizer, inorganic fertilizer, and biological bacterial fertilizer. Which one is the most suitable for your crop? What is the difference between these three fertilizers, and how to properly match them to give the best effect?

How to mix organic fertilizer, inorganic fertilizer and biological fertilizer reasonably?

Organic fertilizer

Carbonaceous materials mainly derived from plants and/or animals and applied to the soil to provide plant nutrition as their main function. It is processed from biological materials, animal and plant wastes, and plant residues to eliminate toxic and harmful substances. It is rich in a large number of beneficial substances, including: a variety of organic acids, peptides, and abundance including nitrogen, phosphorus, and potassium Of nutrients.


It not only provides comprehensive nutrition for crops, but also has long fertilizer efficiency, which can increase and renew soil organic matter, promote microbial reproduction, and improve soil physical and chemical properties and biological activity. It is the main nutrient for green food production.


Inorganic fertilizer

Inorganic fertilizers are mineral fertilizers, which refer to fertilizers produced by chemical synthesis methods, also called chemical fertilizers, or chemical fertilizers for short. Inorganic fertilizers include nitrogen, phosphorus, potassium, and compound fertilizers.


It has the characteristics of simple ingredients, high effective ingredients, easy to dissolve in water, fast decomposition, and easy to be absorbed by roots, so it is called "quick-acting fertilizer".


Biological fertilizer

Biological fertilizer is a kind of product that the life activities of microorganisms cause crops to obtain specific fertilizer effects, and it is a kind of fertilizer used in agricultural production. The types of beneficial microorganisms in microbial fertilizers and the vigorous life activities are the basis of their effectiveness, unlike other fertilizers which are based on the form and amount of main elements such as nitrogen, phosphorus, and potassium.


Because microbial fertilizer is a living preparation, its fertilizer efficiency is closely related to the number, strength of living bacteria and surrounding environmental conditions, including temperature, moisture, pH, and nutritional conditions.


The advantages and disadvantages of organic fertilizer, inorganic fertilizer and biological bacterial fertilizer


Inorganic fertilizer

The advantages are high nutrient content, fast fertilizer efficiency, and significant yield increase effect.


The disadvantage is that the nutrient is relatively single, which usually requires several fertilizers to be applied together; the nutrient release rate is fast, and the vertical balance supply capacity is poor; it is easy to lose through volatilization, leaching, fixation, etc., and the fertilizer utilization rate is not high; acid, alkali, and salt Strong, improper application, not only is unfavorable to plant growth, but may also deteriorate the soil and reduce soil fertility.


Organic Fertilizer

The advantage is that it contains rich organic matter and a variety of nutrients required by plants. Organic fertilizer is also a very good soil improvement and soil fertility fertility agent. It has a good effect on improving soil structure, increasing soil nutrient capacity, enhancing soil fertility and water retention capacity, adjusting soil pH, promoting soil microbial activities, and improving soil nutrient effectiveness. effect.


The disadvantage is that the nutrient concentration is low and the fertilizer supply is slow, so the effect of increasing production is not as significant as chemical fertilizer.


Biological 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 reduce the amount of fertilization of the corresponding nutrient elements.


The disadvantage is that it does not contain any nutrient elements, nor can it provide nutrients for crops for a long time. Since bacterial fertilizer is composed of live bacteria, it is usually avoided direct sunlight and mixed application with pesticides, and the requirements for environmental conditions such as soil temperature, humidity, pH, and organic matter content are also strict.


Knowing their advantages and disadvantages, it can be concluded that the combined application of chemical fertilizers, organic fertilizers, and biological bacterial fertilizers is better than applying them alone. However, in order to achieve the best fertilization effect, the following issues should be paid attention to when combined with the application.


How to mix organic fertilizer, inorganic fertilizer and biological fertilizer reasonably?


First, pay attention to the application time

Organic fertilizer is slow to take effect and should be applied early. Generally, it is applied as a one-time base before planting or planting. It is best to decompose before use. The effect of topdressing in the later period is not as obvious as that of base fertilizer.


Chemical fertilizers have quick results. When used as base fertilizer, they should be applied about a week in advance. When topdressing, they should be applied before the critical period of crop nutrition or the peak of nutrient absorption to meet their needs.


Biological bacterial fertilizer can only play the role of bacteriostasis after mass propagation in the soil, so it must be applied early before planting to allow time for reproduction and growth. It can be applied to the soil together with organic fertilizer, or before planting Or point application when planting.


Second, pay attention to the application method

The main function of organic fertilizer is to improve the soil and provide nutrients at the same time. It is generally applied to the soil as a base fertilizer. Therefore, it must be combined with deep tillage to completely mix the soil and organic fertilizer to achieve the purpose of improving the soil.


In the base fertilizer, because the nutrient in the organic fertilizer is mainly nitrogen, the nitrogen fertilizer matched with the organic fertilizer can be used less, and 30% can be used as the base fertilizer and 70% as the top dressing. Phosphate fertilizer and potash fertilizer can be applied as base fertilizer at one time. Phosphate fertilizer has poor mobility and poor topdressing effect in the later period, so phosphate fertilizer should be applied as base fertilizer to the soil.


The topdressing chemical fertilizer is best to use fully soluble quick-acting fertilizer as the main fertilizer. After such a fertilizer is decomposed, it can be quickly absorbed by vegetables and has little impact on the soil.


Biological bacterial fertilizer can be applied in the planting hole or along with organic fertilizer because of its low dosage. In the later stage, the same biological bacterial fertilizer can be applied many times to strengthen the bacterial flora and improve the ability of dissolving phosphorus and potassium and the effect of disease prevention.


Again, pay attention to the dosage

Different crops have different growth periods and require different amounts of fertilizer, so you can't apply more or less. Fertilization should be carried out according to the different fertilizer ratios of crops. At the same time, attention should be paid to the overall consideration of the content of nutrients in the soil. It is best to conduct soil testing once, and follow the recommendations for soil testing and fertilization.


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