The first method is to discuss soil agrochemical analysis projects with many analytical methods. Some of these methods are classic methods, some are recommended methods, and some are general methods. Soil agrochemical analysis requires rapid, batch, low-cost and accurate analysis. All laboratories can compare methods based on their own situation, and share their experiences. Such as the selection of extractants, the choice of colorimetric wavelength, the choice of redox agents, etc.
The second is that the data of the data review soil agrochemical analysis all have certain relevance and range of values. Such as soil organic matter and total nitrogen, full amount of nutrients and available nutrients. The laboratory personnel should have a general understanding of the range of values ​​of some soil agrochemical analyses.
Third, the data comparison mainly includes the mutual comparison method between laboratories (comparison of test results by different laboratories sending the same sample to each other), the reference comparison method (using the reference sample issued by the superior department for comparison of differences), and the insertion of standards. Method (determined by inserting a standard sample of known concentration into the sample to be tested), error comparison method (parallel test by error theory).
Leisuwash specializing in manufacture Automatic Car Wash Machine, Touchless Car Wash , Automatic Touchless Car Wash, touchless car wash equipment, robot car wash, smart car wash system, leisuwash 360, leisuwash leibao 360, laserwash 360, leisuwash touchless car wash machine, leisu wash touchless car wash automatic, leisu wash 360 high pressure touchless car wash equipment, robo car wash, touch free car wash, leisuwash 360 touch free car wash, leisuwash 360 price, automatic car wash price, leisuwash in malaysia, no touch automatic car wash machine.
Leisuwash 360 touchless car wash machine high intelligent high quality, with car wash + car care + drying process totally, each car wash takes time 1 minute to 5 minutes which depends on the car wash mode.
Automatic touch free car wash equipment more and more popular in car wash business market, as can save employee fees and wash time mostly, bring investor much more benefit profit return. That's why choose the automatic car washing system.
Touch Free Car Wash Equipment,Automatic Car Wash,Leisuwash Touchless Car Wash,Automatic Car Wash Machine
Hangzhou Leisu Cleaning Equipment Co.,Ltd , https://www.leisuwashtouchless.com