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The content of available nutrients in the soil varies greatly depending on the season. When analyzing soil nutrient supply, sampling is usually done in late autumn or early spring. When sampling, special attention should be paid to the time factor. The soil sample analysis results taken at the same time can be compared with each other. Commonly used sampling tools are shovels, tubular earth drills and spiral earth drills.
The soil agrochemical information collection system is a kind of public opinion data processing equipment, which realizes the automation of soil testing and formula fertilization information acquisition. The ESOILSAMPLE-2 agrochemical information collection system combines the whole process of sample point spatial positioning, attribute recording and navigation implementation. However, this instrument inputs different information depending on the region, so it is necessary to inform which province to apply before ordering.
Soil sample collection
The collection of soil samples is an important part of soil analysis work and a prerequisite for directly affecting the analysis results and conclusions. Because the soil, especially agricultural soil itself, is very different, the sampling error is much larger than the analysis error. Therefore, we must pay attention to the collection of representative samples. In addition, different sampling and processing methods are used depending on the purpose of the analysis.