Fertilizer is one of the most important means of production of agriculture, however, the phenomenon of excessive fertilization in China is very common, Fertilizer and the market has been repeatedly banned, bringing about agricultural production, quality and safety of agricultural products, environmental pollution and even personal safety issues, fertilizer legislation has aroused widespread concern. Fertilizer In order to protect the environment and protect farmers ' interests, many countries have laws related to fertilizers, one of which is the incorporation of fertilizer use management into the legal system.
A material that supplies nutrients directly or indirectly to a crop. Application of fertilizers can promote the growth and development of crops, increase yield, Fertilizer improve quality and improve labor productivity. The application of organic fertilizer can also improve the soil structure and the environmental conditions of crop growth, and play an important role in the sustained and stable production of crops.
We can provide nutrients to plants by applying them to the soil or by other means, or to improve the physical and chemical properties of the soil, to provide a good living environment for plants collectively referred to as fertilizer.
Fertilizer is the grain of the crop, is the material foundation of increasing production, our country awakening has "the farming not to be on the dung, equals blind hu Hun" the saying, Fertilizer according to the UN FAO statistics, fertilizer in the grain increases the function, including when the season effect and the aftereffect, the average increase in yield is 50%, our country recent years soil fertility monitoring result The contribution rate of fertilizer to the yield of agricultural products is 57.8% nationwide average. China's 7% of the world's arable land, Fertilizer which feeds 22% of the world's population, owes half of its contribution to fertiliser.
At present, there are still many problems in the application of fertilizers, such as heavy fertilizer, light organic fertilizer, heavy nitrogenous fertilizer, light phosphorus, potash fertilizer, neglecting micro-fertilizer, heavy yield, light quality and outdated application method. There are many undesirable consequences: first, the decline of land force, the impact of sustainable development of agriculture, Fertilizer the second is the low utilization of fertilizer, waste serious, pollution of the environment and groundwater; third, high cost, low efficiency, slow and even stagnant agricultural income; Facing the development of "three high and excellent" and advocating the new situation of agricultural sustainable development, guiding the broad masses of rural cadres and farmers to renew their ideas, and reversing the tendency of "triple three light", adjust the fertilizer structure, Fertilizer implement the measurement, distribution, production, supply and application integration, has become the focus of current fertilizer
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