Stability of fertilizers: Agricultural Rebate of "key"
Recently, the Ministry of Agriculture, Agricultural Technology Promotion Center: "To the extent the promotion of slow-release fertilizer by the country's 11 provinces to 20 provinces." This undoubtedly is Dr. Shi Yuanliang and a number of Chinese working on the development of long-acting slow-release fertilizer researchers as a reward.
As the densely populated country, coupled with the increasing population, resulting in declining per capita arable land, more as a constraint to the rapid development of Chinese agriculture fetters. "An effective way to solve the food problem is to increase yield per unit area, which depends on soil fertility improvement and rational application of fertilizer." This is a group represented by Dr. Shi Yuanliang Fertility workers in mind. Dan Yuanliang with a set of figures show the gap between us and the developed countries: "As our main varieties of nitrogen fertilizer application, utilization rate is only about 35%, significantly lower than developed countries, nearly 20 percentage points. China's annual loss of up to N 13 million tons, equivalent to a loss of more than three thousand two hundred tons of urea, equivalent to about 60 billion yuan RMB. "These startling figures, always hitting the heart of scientific research personnel. At the same time, waste of resources not only reduces the economic efficiency of agricultural production, but also cause serious environmental pollution problems, it is undoubtedly constrained China into the world's advanced ranks of "weakness."
"Improving fertilizer use efficiency related to people's livelihood." "Long-term Scientific and Technological Development Plan" 22 priority theme clear: "to address the constraints in fertilizer production and application of technical problems, developed new and efficient, environment-friendly fertilizers and fertilizer efficiency technology, is to protect the national food and ecological security, reduce pollution, sustainable development of agriculture major national needs. "Shiyuan Liang tells us that our country slow / controlled release fertilizers for over 30 years. "Ninth Five-Year" to "Eleventh Five-Year" period, the Chinese Academy of Sciences Institute of Applied Ecology, a large number of research institutes, etc., take the national and local development issues of slow release fertilizers, also contributed to the stability of the fertilizer, coated fertilizer Achievements species. Among them, Shenyang ecological stability of fertilizer as the main technical studies, access to rapid development.
Stability of the fertilizer is added or nitrification inhibitors urease inhibitors, to slow release nitrogen fertilizer and reduce the loss of a type of fertilizer, its innovation is to extend the period of nitrogen fertilizer, phosphate fertilizer increased. Shiyuan Liang stressed that "the core of fertilizer inhibitor is stable." For of nitrification inhibitors and urea enzyme inhibitors, not only developed the technology with Chinese characteristics and product types, and actuated by a single shift type inhibitor compound inhibiting agent of major change. State support for plans to "create a new fertilizer" project funding, but also directly driven by the CAS Shenyang City, Shandong Agricultural University, South China Agricultural research and development in technology and large institutions, processes and technology at a breakthrough, in referring to foreign technology, based on research out the conditions for domestic production of new technology, simplifying the procedure of urea aldehyde slow-release fertilizer, reducing production costs. At present, the application of nitrification inhibitors and urease inhibitors of nitrogen fertilizer production technology, the formation of the Shenyang Institute of Applied Ecology, represented by long-acting slow-release urea, long series of slow-release fertilizer technology to achieve a slow release fertilizer directly into the field this a major turning point.
The early 21st century, developed by the Shenyang Ecological nitrification / urease inhibitor "compound NAM" come out, and all over the country's 48 demonstration enterprises, to promote an area of 21 provinces to promote the area of 9135 mu, involving a variety of fertilizer nearly 60 more than 27 kinds of crops application. The successful development of this additive, causing research to advance the industrialization of the boom, to promote respect in the industry, the emergence of Heilongjiang "times of abundance," Shandong "application could Fung", Huajin Group, Hebei "CNS" other enterprise. Because of its "production of low cost, simple process, long-term yield, nutrient release and crop growth pattern of the same" and a good selling point, be compatible with the agricultural production of good products, but also be favorable for farmers.
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