China is one of the countries with the most serious use of nitrogen fertilizer in the world. Excessive use of nitrogen fertilizer has not only brought about a substantial increase in yield and quality, but also increased planting costs, leading to soil compaction, eutrophication of water bodies and serious greenhouse gas emissions. And other ecological and environmental issues. Therefore, at this stage, a very important task is to promote precise fertilization and achieve rational application of fertilizers such as nitrogen fertilizer. Precision fertilization is often the first to measure soil, so the use of soil testing equipment is the most important step in this work.
On the basis of soil nutrient test, master the laws of soil and crop fertilizer requirements, and adjust the supply of various nutrient distribution ratios under the premise of rational application of organic fertilizers, thereby reducing the amount of fertilizer input, realizing the combination of land use and land raising, and nutrient supply. It is compatible with crop demand and aims to achieve high-yield crops, ecological environment protection, and sustainable development of agricultural planting. Therefore, in precision fertilization, soil measurement data is very important, and fuzzy processing is not advisable. It must be accurately measured by scientific instruments such as soil measuring instruments. Especially in the process of large-scale planting, in order to play a role in increasing the yield and increasing efficiency of nitrogen fertilizers, it is necessary to do a good job of soil testing to ensure accurate fertilization. The application of the soil measuring instrument can be said to open the way for the development of modern precision fertilization.
The current agricultural goal has shifted from simply pursuing high yield to saving cost, improving quality and efficiency, and increasing green efficiency. Therefore, the fertilization structure is also being adjusted, and the precise fertilization method is more in line with the actual needs of modern agricultural production. In the production process, the application of soil measuring instruments to promote scientific fertilization, so that many areas have completed the transformation of empirical fertilization to soil testing and formula fertilization, not only promotes the continuous reduction of fertilizer use in China, improves soil nutrient status, and enables crops to be obtained. The continuous and steady increase in production has also ensured the safety of food production and achieved good results.
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