Through the popularization and application of soil testing and formula fertilization technology, farmers have made great changes in the concept of fertilization, especially the concept of scientific fertilization is deeply rooted in people's minds, and soil nutrient testing instrument is an important scientific measurement in the promotion of soil testing and fertilization technology. The instrument has made important contributions to the understanding of soil nutrient conditions and the establishment of fertilization indicators. It has accumulated a large amount of accurate and used data for the implementation of soil testing and fertilization techniques, enabling them to adapt measures to local conditions and help farmers achieve cost-effective growth. effect.
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The application of soil nutrient tester has changed the past agricultural practice of blind fertilization to make the fertilization operation more targeted. For example, after testing with a soil nutrient tester at a certain place, it was found that the available phosphorus available was only 9.2 mg/kg. The lack of grade, in this case, according to actual needs, increase the application of phosphate fertilizer 40kg per hectare, because of the lack of supplements, the high agricultural production in the region increased by 12%.
The use of a soil nutrient tester can depend on the actual conditions of the soil to make good use of fertilization. It is truly a lack of supplements and lack of supplements. This is one of the important reasons for achieving cost-effectiveness, and another important reason is the soil. The application of nutrient testers can balance fertilization. In the past, most farmer friends only paid attention to the application of urea and diamine, and the fertilizer use ratio was basically maintained at N:P:K of 1:0.37:0.11. Actually, the condition of the soil is more phosphorus and less potassium, that is, the nutrients of the soil. It is unbalanced, and after adjustment by the soil nutrient tester, the soil nutrient ratio is maintained at 1:0.3:0.32. Since then, soil nutrients have been in a more balanced state, crops have grown more vigorously, and balanced fertilization has been achieved. Another major advantage is the avoidance of fertilizer waste and the real effect of cost savings.
Since the application of the soil nutrient tester, fertilization operations have also increasingly tended toward scientific development. This has not only reduced the amount of fertilizer, but also made the soil healthier, the crops have grown better, and the effect of increasing grain yield has been significant. Agricultural goals.
Soil nutrient tester is how to achieve cost-effectiveness?