With the advent of the peak fertilizer season, the peak period of the price of fertilizer also followed. With high fertilizer prices, how to apply fertilizer scientifically to save both fertilizer and efficiency has become a concern for all farmers. To this end, under the organization of the Guangdong Province Fertilizer Station, the "Vulgen Agricultural Science Cup" scientific fertilization response to the high-fertilizer seminar organized by Dongguan Dazhong Agricultural Science and Technology Co., Ltd. was successfully held on March 18 in Dongguan, Guangdong Province. The 15 heavyweight experts in the fertilizer and cultivation fields of the Provincial Soil and Fertilizer Station, the Academy of Agricultural Sciences, and related colleges and universities provided advice and suggestions and provided new ideas for fertilizing rice, fruit trees, vegetables, and saving new fertilizers.

Experts at the meeting believed that there are currently unreasonable fertilization practices among farmers in farming, which has resulted in limited yield increase in farming operations and rising production costs. Yang Shaohai, director of the Soil and Fertilizer Institute of the Guangdong Academy of Agricultural Sciences, pointed out that from the previous application of one-element fertilizer to dual-component fertilizer, and now to application of compound fertilizers, organic fertilizers, and bio-fertilizers, farmers can see fertilization advance. From the perspective of the development of planting industry in Guangdong in recent years, it is now necessary to guide farmers to make them less willing to apply nitrogen, phosphorus and potassium. The soil in the vegetable and banana fields in the Pearl River Delta has used a large amount of chemical fertilizers throughout the year and accumulated a lot of nutrients. No fertilizer can reach the previous year's output, indicating that the nutrients in the soil are already very abundant. Therefore, we must promote reduced fertilization. To make up the surplus nutrients in the soil, farmers should invest as little chemical fertilizer as possible to supplement a little nutrients during specific periods of crop growth.

In view of the current problem of fertilizer waste, the experts proposed to strengthen the promotion of soil testing and formula fertilization, so as to effectively help farmers control production costs. Liang Youqiang, the director of the Fertilizer Station of the Guangdong Provincial Department of Agriculture, pointed out that the current fertilizer prices are high, and all localities should use the formula and formula fertilization to carry out scientific fertilization to ensure that disaster-rehabilitated production and spring plowing are carried out smoothly. Zhang Yucan, a researcher at Guangdong Fertilizer Terminator, explained that scientific fertilization is a lack of supplements and food is not wasted. To achieve this, we must first understand what nutrients are missing from the soil and then supplement it in a targeted manner, that is, conduct soil testing and formula fertilization. Through the implementation of soil testing and formula fertilization, we changed the previous practice of “big floods and large fertilizers” and increased production by multiple application of chemical fertilizers. Instead, we applied on-demand and quantity fertilization to optimize the fertilization structure, improve fertilizer utilization, and reduce Fertilizer application amount. In the three years after carrying out soil testing and formula fertilization, Guangdong Province reduced the use of chemical fertilizers by 85,800 tons and saved fertilizer costs by 517 million yuan.

The use of new fertilizers to increase the use of fertilizers, thereby reducing agricultural production costs, has become a new highlight at the conference. Professor Liao Zongwen, a professor at the Huazhong Agricultural University’s Institute of Resources and Resources, proposed that the basic reason for the high price of fertilizers and the increase in farmers’ cost is the soaring prices of raw materials for compound fertilizers. For example, sulfur rose 10 times last year, pulling up sulfuric acid, phosphoric acid, ammonium phosphate, phosphate fertilizer, and magnesium sulfate. Guangdong is a nitrogen-free fertilizer plant, a phosphate-free mine, and a potassium-free ore-free area. In addition, electricity and coal are in short supply, and the bottleneck for industrial development is relatively large. Therefore, how to reposition alternative cheap resources and change traditional production techniques is the basis for reducing fertilizer costs. In fact, sulfuric acid or phosphoric acid in compound fertilizers can be used less or not, and South China Agricultural University has achieved remarkable results in this respect. For products such as phosphate rock powders treated with activators, the cost is only 30% of that of water-soluble ammonium phosphate. Although the phosphorus-insoluble phosphate ammonium phosphate has the highest intensity, the utilization rate is the lowest, and the utilization ratio of the activated phosphate rock powder and the phosphorus supply intensity are the most In good condition, the soluble phosphate fertilizer is the next best.

In the actual production process, the "master Tian" calcium magnesium fertilizer in Dongguan, Guangdong Public Agricultural Technology Co., Ltd. will become a theory of reality. The company recently introduced a new generation of high molecular weight polypeptide polymers - amino acid peptide fertilizers. Amino acid peptide fertilizers lead the fertilizer industry to achieve further technical leapfrogging, which can save 20% of fertilizer. The amino acid peptide tower compound fertilizer is an environment-friendly green product developed based on the bionics mechanism. It is an active biopolymer product and is a high-molecular polypeptide polymer synthesized using an advanced production process. It is a protein with long-chain properties. Substances have many carboxyl groups in their protein chains. They contain many complexing groups around the chain, have a strong chelating effect with metal ions in fertilizers, and can combine with nutrients, plus the loopability of complex genes. , It has a strong enrichment effect on nutrients, thus has a good slow release function, can also promote the development of crop root system, development and growth, improve crop immunity, enhance stress resistance, improve soil, reduce fertilizer, reduce fertilizer application. Dosage.

The application of public amino acid peptides and tower compound fertilizers can increase the yield of vegetables by 15%-30% compared to the application of equal amount of common fertilizers, and increase the yield of food crops by 10%-25%. Taking rice as an example, the use of intelligent peptide fertilizers can increase farmers' income by about 50 yuan per mu compared to the use of ordinary fertilizers. The test results show that the use of 40 kg of intelligent peptide synergistic fertilizer is greater than that of using 50 kg of ordinary fertilizer, which is beneficial to the reduction of the cost of farmers.

There are about 53.33 million hectares of acidic soil south of the Yangtze River in China. If Tian Tian Soil Conditioning Agent is applied at 0.75 tons per hectare, the demand is more than 40 million tons. The market prospect is very attractive. Especially since the second half of last year, the soaring prices of various fertilizers have soared. At present, it is very commendable for the “master Tian” calcium magnesium fertilizer which is only a few hundred yuan and one ton.

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