Whether organic fertilizer can completely replace chemical fertilizer is a complex issue. According to the research of the Chinese Academy of Agricultural Sciences, organic fertilizer cannot completely replace chemical fertilizer, but in some cases, the combination of the two can achieve better results.
Comparison between organic fertilizer and chemical fertilizer
1. Nutrient composition:
Organic fertilizer has a wide variety of nutrients and can provide a variety of nutrients required for plant growth, but its nitrogen supply capacity is usually lower than that of chemical fertilizer.
Chemical fertilizer provides higher concentrations of nutrients such as nitrogen, phosphorus, and potassium, which can quickly meet the needs of crops.
2. Environmental impact:
The use of organic fertilizer has less impact on the environment, can improve soil structure, increase soil organic matter content, and reduce soil acidification and other problems.
Excessive use of chemical fertilizers may lead to environmental problems such as soil acidification and water pollution.
3. Yield effect:
Studies have shown that when organic fertilizer is used alone, the effect of increasing grain production is weak. For example, it takes 12 to 15 years for winter wheat to reach the same level of increase in production as chemical fertilizer, while it takes 3 to 5 years for corn.
However, when organic fertilizer and chemical fertilizer are applied in a 50% ratio, equivalent or higher grain yields can be obtained while reducing environmental impact by more than 30%.
Organic fertilizer mixed with fertilizer granules
There are many advantages to mixing organic fertilizer and chemical fertilizer, including:
1. Complementary effect:
Organic fertilizer can improve soil structure and increase the organic matter content of soil, while chemical fertilizer provides high concentration of nutrients, which can quickly meet the growth needs of plants.
2. Reduce the side effects of chemical fertilizer:
The addition of organic fertilizer can reduce the negative impact of chemical fertilizer on soil, such as salinization and soil compaction.
3. Promote microbial activity:
The microorganisms in organic fertilizer can promote nutrient circulation in soil and help plants absorb nutrients better.
Organic fertilizer granulator
Organic fertilizer granulator, also known as organic fertilizer pellet machine, is specially used to process fermented organic materials (such as livestock and poultry manure, crop residues, etc.) into pellets. Its main features include:
No need for drying and crushing: The equipment can directly granulate the fermented raw materials, saving the drying and crushing steps, thereby reducing production costs and energy consumption.
High-efficiency granulation: Commonly used organic fertilizer granulators include extrusion granulators, disc granulators and drum granulators, which can produce spherical or columnar pellets with a high granulation rate [1].
Environmental protection: The use of organic fertilizer granulators helps reduce the discharge of agricultural waste and promote the recycling of resources.
Fertilizer granulator machine
Fertilizer granulator is mainly used to process fertilizer raw materials (such as nitrogen fertilizer, phosphate fertilizer, potash fertilizer, etc.) into granules. Its features include:
Efficient production: Fertilizer granulator can quickly convert raw materials into granules, suitable for large-scale production to meet market demand.
Multiple granulation methods: Fertilizer granulator usually adopts wet or dry granulation process, which can be adjusted according to different raw materials and product requirements.
Particle uniformity: The equipment can ensure that the produced granules are uniform and easy to apply and store.
Blended fertilizer (BB fertilizer) granulator
Blended fertilizer granulator is a highly efficient equipment specially used for producing organic fertilizer, chemical fertilizer and blended fertilizer. It adopts forward and reverse operation and special inner spiral mechanism to ensure uniform mixing and granulation of materials. It has the advantages of compact structure and small footprint, and is suitable for production lines of various sizes. The equipment has high production capacity, simple operation and is suitable for processing a variety of fertilizer granules.
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