Automated work‐station for soil analysis

Autor: D. E. McGrath, A. Skotnikov
Rok vydání: 1996
Předmět:
Zdroj: Communications in Soil Science and Plant Analysis. 27:1795-1812
ISSN: 1532-2416
0010-3624
DOI: 10.1080/00103629609369670
Popis: For site specific fertilizer and chemical application, an economically efficient collection, correlation, processing and analyzing of soil samples is needed. To do this, we have created the Automated Work‐Station for Soil Analysis (AWSSA). The prototype AWSSA, where soil samples are automatically unpacked, prepared, processed and analyzed in sequential order is based on Rinkis method . All chemistry is built in one sequential line with branches, which permits to utilize only one soil sample (it increases precision and speed of process) for determination of all it parameters, such as pH; particle size;overall humus, alkali‐soluble fraction of humus; sesquioxides‐ carbonates; concentration of the macronutrients; such as NO3, NH4, K, P, Ca, and Mg . The sample preparation unit consists of a mixer where soil is mixed with a water as a slurry, goes through the sieve to screen out large particles, and then through microwave humidity meter to a vessel for it weighting and further analyzing. The concentr...
Databáze: OpenAIRE