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How to Promote the Development of Fertilizer Industry

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The fertilization target has changed. After 2007, the country's grain production has stabilized at more than 400 kilograms per capita.

The fertilization target has changed. After 2007, the country's grain production has stabilized at more than 400 kilograms per capita. In the past two years, it has been adjusted from 621 million tons in 2015 to 616 million tons in 2015. Food and fertilizer are closely related. When we no longer take high grain yield as the sole goal, the goal facing chemical fertilizer also changes.

The supply and demand environment has changed. Since the founding of New China, the construction of fertilizer industry has been intensified. Until 2005, the supply of fertilizer in China exceeded the demand. So fertilizer growth has been deteriorating.

The application mode changed. In the past, manual fertilization was the main way of fertilizer application, but now there are mechanical fertilization, automatic fertilization, water-fertilizer integration and so on. These methods have different requirements for fertilizer. If traditional methods are still used, they can not meet their technical requirements.

The negative effect of fertilizer was obvious. For example, the haze problem in Beijing, Tianjin and Hebei. According to measurements, NH3 emissions from agricultural sources to the atmosphere are about 9.67 million tons per year. According to the unit area, the highest number of atoms emitted per square kilometer is Beijing, Tianjin and Hebei. These data further illustrate the serious impact of chemical fertilizers on the atmosphere. It is a feasible way of fertilizer innovation to improve crop yield or fertilizer efficiency by improving fertilizer.

Fertilizer technology innovation

Nutrient concentration innovation. Fertilizer pollution is generally caused by by by-components. In the process of chemical fertilizer production, reducing by-components can reduce pollution and achieve cleaner production.

Nutrient proportion innovation. Since 2005, China has made soil testing formula fertilization, mainly for a large number of elements, so now how to mix a large number of elements with medium and trace elements, large amounts of elements and trace elements? This requires reflection.

Nutritional innovation. Through the addition of different forms of nutrients in fertilizers, the transformation and absorption of crops can be promoted, and the fertilizer efficiency can be improved.


Agrochemical service innovation

Crop adaptability: Nutrients have almost the same effect on higher plants, but not all crops react equally to additives in fertilizers.

Soil adaptability: For field crops, fertilization is not hydroponics, it is unnecessary to add all the nutrients.

By-component adaptability: Take ammonium sulfate as an example, 80% of the sulfur-deficient soils in Northeast China. If ammonium sulfate is used in Northeast China, it can not only supply nitrogen but also sulfur.

If you want to know which fertilizer is needed for different crops and different soils, you need agrochemical services, such as soil testing and formula fertilization. Two levels were determined by experiments: maximum fertilizer application for crop demand and maximum soil nutrient test value when fertilization was ineffective. Intermediate linear solution: that is, between the maximum application rate and the maximum application rate, according to the soil nutrient test value and the linear determination of the application rate.

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