Controlled-release fertilizer technology will greatly increase fertilizer utilization

As soon as the crop is once applied with controlled-release fertilizer, the fertilizer will be released according to the growth needs of the crop. Compared with ordinary compound fertilizer, the money will not increase crop yield by 6% to 10%. This is already in Shandong, Hebei, etc. To prove it. This news was recently reported by the National Agricultural Technology Extension Service Center of the Ministry of Agriculture and the National Forum on Controlled-Release Fertilizer Research and Application held by the National Chemical Fertilizer Quality Supervision, Inspection and Testing Center.

Controlled-release fertilizers are mainly used in gardens, flowers, lawns, etc. in foreign countries and are rarely used for field crops due to high prices. In order to apply this high-tech product to China's agricultural production, Shandong Jinzhengda Group and Tsinghua University, China Agricultural University, Shandong Agricultural University and other joint development of controlled-release fertilizer technology. After several years of research and development in the controlled-release fertilizer coating materials and the coating process, a sulfur-plus-resin coating process was developed, which not only drastically reduced the price, but also achieved international advanced technology, filling the country's controlled release. Fertilizer project blank.

According to experts, controlled-release fertilizers can increase fertilizer utilization from 35% to 65% to 80% compared to traditional fertilizers. Mushi prices are also due to the reduction in fertilizers and the price of traditional compound fertilizers. It is flat and can effectively prevent soil compaction. It is understood that in the next two years, controlled-release fertilizer will be widely promoted in rural areas in China.

In 2005, Shandong Jinzhengda Group conducted controlled-release fertilizer demonstration on 12,000 mu of land of 6000 farmers in Shandong, Heilongjiang, Jilin, Liaoning and Hebei provinces. In the case of reducing fertilization by 30% to 50%, Acres increased by 6% to 10%. Farmers say that with controlled-release fertilizers, money is not spent, and production increases and incomes increase. (Liu Junxiang)


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