Jiangsu Jiangyan By Building Slow
July 26, Canada, Hanfeng Evergreen Co., Ltd. announced in Beijing that will be used for two years, Jiangyan City, Jiangsu Province in China’s first investment in the establishment of the world’s most advanced slow-release sulfur coated urea fertilizer production line, designed to build slow-release fertilizer base in China.
An industry source said that the establishment of production lines, will fill our gaps in industrial production of slow-release fertilizer. Hanfeng sulfur coated urea is a “cheap” slow-release fertilizer, suitable for Daejeon application, to make high-quality slow-release fertilizer is no longer the exclusive high-value crops, allowing farmers to use slow-release fertilizers can afford.
As a high concentration of technology, composite, slow-release fertilizer-based, slow-release fertilizer is the fertilizer industry receive international esteem of high efficiency, high yield, low-polluting fertilizer, new varieties, with water-soluble small, fertilizer length, soil suitability Strong, etc., in line with the sustainable development of agriculture, “low-power, low-pollution” requirement, in developed countries over 30 years of application history, foreign has launched dozens of slow-release, controlled release fertilizer, which fertilizer can be more Good control of fertilizer nutrients release rate.
Development of slow-release nitrogen fertilizer is the world’s first slow-release fertilizer, which highlight the advantages of expression in nitrogen utilization efficiency as high as 60% to 70%, compared to average more than double the utilization of urea, but not subject to complex factors such as soil type effect, known as the “21st Century fertilizer.” Sulfur coated urea is the world’s developed the first package-type slow-release fertilizer. It sulfur outer coating, add sulfur nutrients, low cost, while improving quality of crops. Hanfeng’s slow release nitrogen fertilizer unique microcrystalline wax outer coating of the polymer can be biodegradable, slow-release nitrogen fertilizer to improve toughness. Promote the use of the International Fertilizer Industry Association show that sulfur coated urea nitrogen utilization rate of up to 70% or more, so that a variety of field crops, particularly rice can increase production, income.
The advantage of slow-release fertilizer, can change the amount of farmers to fertilize the traditional concept of pursuing high-yield and fertilization methods, improving fertilizer efficiency. Fertilizer consumption in China is a big country, nitrogen output of about 35 million tons (pure), utilization rate of only 30% of the annual direct economic losses of more than 300 billion yuan. On the one hand a lot of energy wasted on the other hand cause serious soil, air and water pollution. Urea use keeps increasing even resulted in decreased crop quality, while increasing the cost burden of grain farmers. At present, China’s urea output has more than 40 million tons, the use of slow-release nitrogen fertilizer of urea is equivalent to saving half of the usage of direct economic benefit of up to 280 billion yuan, saving a lot of energy. Therefore, the national “Eleventh Five-Year” Plan clearly calls for active promotion of slow-release nitrogen fertilizer, soil testing, prescription, balanced fertilization. National Development and Reform Commission has approved the project to develop standards for sulfur coated urea.
Jiangyan City, Jiangsu Province is located in the middle, is the source of water diversion area. To a greater extent to protect the waters of the Yangtze River water safety, creating social and economic benefits Jiangyan with convenient transportation advantages, regional resources, and Han Feng’s work together to build China (JIANGYAN) slow-release fertilizer base. The city economic development zone at provincial level planning and construction of 800 ~ 1000 acres of slow-release fertilizer production land.
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Slow-release fertilizers are substances that can slow or control the rate of nutrient release fertilizer. Slow-release fertilizer in a broad sense includes the slow-release fertilizer and two types of controlled-release fertilizer. One is made through a chemical reaction slow-release fertilizer, the other is made by means of controlled-release fertilizer package.
Controlled-release fertilizer is a granular fertilizer as the core, surface coated with a layer of low-water-soluble or slightly soluble inorganic substance or organic polymers, such as sulfur, asphalt, resins, polyethylene, paraffin, phosphate rock powder as a film-forming substances, through the gradual decomposition of envelope envelope proliferation or release of nutrients. At present mainly sulfur coated urea, coated fertilizers thermosetting resins, thermoplastic resin coated fertilizers, polymer-coated sulfur coated urea, fertilizer bag-type controlled-release fertilizer such as manure. Slow-release fertilizer characteristics: solubility in water is small, the release of nutrients in the soil slowly, reducing nutrient losses; fertilizer long-term, stable and able to continuously supply plant throughout the growing season to meet its nutrient needs; with low salt index, a large number of application will not “burn seedlings”; reduce the number and frequency of fertilization, save costs; suitable for different types of soil and plants, to effectively prevent soil compaction.
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