My market economy determines that commodity producers must face the market, and the fertilizer market depends on agricultural development and farmers' needs. What is the demand for agricultural development and farmers? Several examples are listed for reference. 1 In line with the new agricultural technology, the production of different chemical fertilizers for 1.1 varieties of road chemical fertilizers has different nutrient needs. Since the emergence of new varieties also brings about changes in the nutrients needed, new varieties of crops need to have compatible fertilizers. In recent years, the agricultural sector has promoted a variety of new varieties of crops throughout the country. For example, in the two seasons, the semi-annual yield is 10% to 15% higher than that in the three-season hybrid rice. The hybrid rice has more than 15% more yield than conventional wheat. Fen58, Jidan 180 corn, China Cotton Institute 19 cotton, Tenong 10 soybean and Zhengza 4 rapeseed and other 10 new varieties, in Hebei, Liaoning, Inner Mongolia, Ji, Heihe, Jiangsu, Zhejiang, Anhui, Guizhou, Shandong, Twenty-three provinces and autonomous regions such as Henan, Hubei, Hunan, Guangdong, Guangxi, Guizhou, Sichuan, Shaanxi, Gansu, and New Taiwan have vigorously promoted and it is estimated that 73 million hectares will be used to increase grain production by 2.6 billion kilograms. 1.2 Drought-raising and sparse planting of dry rice and rice is a technical system composed of dry-raising seedlings and sparse planting. It changes the previous water-producing fields to dry-land breeding. The seedlings remain ventilated during the entire breeding process, and seedlings are of good quality, sparsely planted and increase yield. Significant. Due to changes in the methods of rice seedlings and planting, the types and quantities of fertilizers required also change. The Ministry of Agriculture plans to increase the area of ​​promotion of rice plantings for drought and seedlings by 406.7 million hectares. In general, drought-fed and sparse planting can increase production by 750 kg/hm2, and it is expected to increase production by 5 billion kg. 1.3 Rice Seedling Planting Rice planting Rice planting refers to the use of plastic retort to grow rice seedlings with soil, and the soiled seedlings are manually or mechanically sprinkled in the rice fields. This planting method has the characteristics of labor saving, labor saving, high output, low cost and good efficiency. The agricultural sector plans to increase the area of ​​dumping by 3.33 million hectares. In general, throwing can increase production by 375 kg/hm2, and it is expected to increase production by 12.5 kg. The combination of drought breeding and sparse planting with castrated rice planting can also be combined with ratooning rice in some middle rice regions, and it can give full play to its advantages, resulting in more comprehensive benefits. The Ministry of Agriculture plans to increase the area of ​​newly reclaimed rice to 667,000 hectares. The output of general renewable rice is 1950 kg/hm2, and it is estimated that 1.3 billion kg of grain can be added. According to the pre-harvest conditions and environment of renewable rice, it is necessary to supply suitable formula fertilizer. 1.4 Covering cultivation techniques in water-saving agriculture The water resources in China are very short of management, and the proportion of agricultural floodwater accounts for a large proportion. Therefore, water-saving agriculture should be promoted in the development of sustainable agriculture, of which cover cultivation is one of the important measures. Coverage cultivation promoted by the agricultural sector includes mulching and bio-coverage. (1) The mulching corn is suitable for high altitude and high latitude areas and uses the water preservation and preservation characteristics of the mulch to reach the goal of early sowing, early-onset and early-maturing, and generally increases the yield by 2250 kg/hm2. The main areas for promotion are parts of China's southwest, northwest, northeast, and north China. The total area of ​​the country is about 0.1 billion hectares, and plans to increase the area to 2 million hectares, which is expected to increase grain production by 4.5 billion kilograms. (2) Film mulching in mulched film sowing in wheat is covered with plastic film during the whole wheat growth period. In order to resist drought and save water, wheat uses hole sowing, combined with coating has more advantages of increasing production and increasing efficiency. The area of ​​application is the north, especially the arid region of the northwest. The general increase in output is 1500 kg/hm2, the increase rate is about 30%, and the water saving effect is 1050 to 1500 square meters/hm2. This technology is applicable to more than 06.7 million hectares of farmland in the northern region. It plans to promote 1.33 million hectares and is expected to add 2 billion kilograms of food. (3) Covered-film-current-increasing planting The northern dry-farming rural areas are at low temperature and water-deficient conditions, so the seedling, seedling emergence and seedling protection of spring-sown corn are very prominent issues and have become the key to determining annual production. The agricultural sector promoted the technique of corn-covered double-harvest film-covering and flooding, reformed the original dryland mulching technology, and increased gully-cultivation and fertilization techniques to keep the ground temperature and limited rainwater seepage around the seed ditches along the ditches. It is conducive to emergence and growth. Therefore, it is necessary to have supporting fertilizers for dry film mulching to solve the fertilizers in the whole growth period of crops, so that no defertilization occurs in the later period, and the labor intensity and labor force of top dressing and irrigation are reduced. The average yield of this technology is 10% to 15% higher than that of the traditional coated one, and the net income is increased by an average of 19.3%. The sowing time of the harvesting pen can be 10 to 15 days ahead of time, and it is also beneficial to the cultivation of Triticum spp. This technology is applicable to the western and northwest arid regions such as Shanxi, Shaanxi, Gansu, Ningxia, Qinghai, and Inner Mongolia. (4) Biological coverage of farmland crops After harvesting, a large amount of residues such as straw can be used as covering materials. Using different covering methods combined with comprehensive techniques such as conservation no-tillage and semi-tillage, water storage and drought resistance can be achieved, soil water use efficiency can be improved, and soil organic matter and high-yield, high-quality, high-intersection can be improved. As the supply of nutrients to the soil has been improved, the nutrients must be changed in order to be applied to chemical fertilizers in a timely manner. This technique is more suitable in non-irrigated, semi-arid, semi-humid areas. Shanxi experience can increase grain above. In northern drylands and western water shortage areas, Yungui plateau and other applications can be promoted. 1.5 New Urban Agriculture Urban agriculture is one of the new areas of current agricultural development, not only in the outskirts of cities and towns, but also in the urban suburbs and demand areas. The most suitable solar greenhouses, plastic greenhouses, and shading winds make the general development of vegetables, fruits, and flowers, as well as gardens, gardening, lawns, green crops, and golf sports venues, and meet the diverse requirements of people for food and entertainment. . Under these planting conditions, the use of appropriate chemical fertilizers in conjunction with the development of urban agriculture, in addition to nutrients in the West, there should also be solid, liquid and gas fertilizers to suit different needs. 2 To adapt to the needs of agriculture and to produce multifunctional fertilisers {Fertilizers should be adapted to the need of simplifying agriculture. Multi-functional fertilizers should be developed from pest control and weeding in agriculture, and multi-functional fertilizers should be developed in fertilization to treat pests and weeds. The pest control and weeding functions are combined. 2.1 The major pests of grain, cotton and cotton are mainly crops of rice, wheat, corn and cotton, with the focus on cotton bollworm, rice planthopper, corn borer, aphid, and powdery mildew, and rely on pharmacy and new technologies. . These technologies can reduce grain and cotton losses by 5% to 10%. 2.2 Chemical Weeding During the “Eighth Five-Year Planâ€, the country’s chemical weeding technology achieved good results with a cumulative area of ​​160 million hectares, accounting for 30% of the crop sown area, increased grain by more than one billion kilograms, and saved more than 5 billion man-days in labor. Combining the use of chemical herbicides with fertilization, ie, the integration of fertilizers, can also simplify agricultural labor. The agricultural sector plans to promote and expand the use of chemical weeds to 60% of the crop sown area. 2.3 Seed Coating Technology Seed coating technology is a combination of biological, chemical and mechanical technologies. It can achieve disease prevention and pest control at the seedling stage, provide nutrients in a timely manner, and promote growth and yield increase in the later period, that is, in the seed coating agent. Adding pesticides, fertilizers, and water-retaining agents, etc., and can sprout early or delay budding in accordance with agricultural conditions. It can generally increase production by about 10%. There are about 100 million hectares of crops that are suitable for seed coating in the country. Suitable crops include corn, wheat, rice, soybeans, cotton, and peanuts. The agricultural sector plans to reach 3 billion kilograms of coated seeds, which can meet the use of 47 million hectares, and it is expected to increase grain output by 67 billion kilograms and increase cotton by 2.4 million tons. The promotion of the above new agricultural technologies is the target of fertilizer companies tracking services. If they can be matched with the fertilizer varieties on the road, they will surely make the new agricultural technology more colorful and fruitful.
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