Limitations of NPK fertilizers
NPK Fertilizer plays a great important function in the growth and development of plants. Nowadays, chemical fertilizers are mainly used in production. However, using chemical fertilizer for a long time will destroy the physical and chemical properties of the soil, and accelerate the consumption of soil organic matter.
In recent years, because of the long-term use of chemical fertilizers, the physical and chemical properties of the soil and the ecological environment have been damaged. Soil hardening, salinization, and nutritional imbalances occur in orchard cultivation and management, these problems result in reduced stress resistance of trees and intensified pests and diseases, seriously affecting the quality, yield, and shelf life of agricultural products.
In order to decrease the negative impact of chemical fertilizers on the environment and reduce the application of chemical fertilizers, the application of green and new fertilizers has become a new way to improve soil, quality and efficiency.
New Type of Seaweed fertilizer
Seaweed fertilizer contains lots of organic components and active substances, which can fix nitrogen, fix carbon, and decompose phosphorus. It can improve the soil biological characteristics, promote the formation of soil aggregates, restore soil fertility, and has great potential for soil improvement. Seaweed is a new type of fertilizer. The organic active substances in the seaweed fertilizer can effectively improve fertilizer utilization, improve the rhizosphere environment of the plant, promote the nutrient absorption of the plant, enhance plant stress resistance, and improve plant growth status.
A Trial of seaweed fertilizer
Select 3 trees randomly with relatively consistent growth patterns and divide them into 2 groups. A total of 5 fertilizations with an interval of 20 days.
Experimental group: Reduce traditional water-soluble fertilizer by 50% + seaweed fertilizer
Control group: completely traditional water-soluble fertilizer
Conclusion
We can get the conclusion that the combined application of chemical fertilizers and seaweed fertilizers can be an effective means of losing weight and increasing efficiency. This experiment result table shows that compared with the application of the full amount of traditional water-soluble fertilizer, the application of reduced fertilizer mixed with seaweed fertilizer is beneficial to the growth of cherry saplings which increases the total number of branches, promotes the increase of crown width and leaves, and has less impact on chlorophyll content. It has a good effect on promoting growth and strengthening seedlings.
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