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dc.contributorKadiyala, M.D.M.en_US
dc.contributorShirisha, Kasthurien_US
dc.contributorWani, Suhasen_US
dc.creatorSahrawat, Kanwar Lalen_US
dc.identifier.citationKanwar Lal Sahrawat, M. D. M. Kadiyala, Kasthuri Shirisha, Suhas Wani. (10/3/2014). Quality Control in Soil Testing Using the Internal Standards: Temporal Variability in Organic Carbon and Extractable Nutrient Elements. Communications in Soil Science and Plant Analysis, 45, pp. 1162-1165.en_US
dc.description.abstractInternal soil standards are used in an analytical laboratory as one of the tools for providing feedback on the quality of soil testing service provided. The objective of this study is to provide results on the temporal variability in soil test values of the internal soil standards used for soil organic carbon (C), extractable phosphorus (P), potassium (K), sulfur (S), boron (B) and zinc (Zn) determination in the ICRISAT analytical service laboratory. The range, mean, standard deviation (SD) and coefficient of variation (CV) values for the internal standards for various fertility parameters varied according to the parameter, and were generally of acceptable quality, except for the extractable P (Olsen-P) in the lower range of extractable P. Our results show that the use of internal soil standards in an analytical service laboratory is a simple, inexpensive and effective tool for providing a feedback on the quality of soil testing service.en_US
dc.publisherTaylor & Francisen_US
dc.sourceCommunications in Soil Science and Plant Analysis;45,(2014) Pagination 1162,1165en_US
dc.subjectanalytical research supporten_US
dc.subjectextractable soil nutrientsen_US
dc.subjectfertility evaluationen_US
dc.subjectinternal soil standardsen_US
dc.subjectvariability in soil test valueen_US
dc.subjectquality controlen_US
dc.titleQuality Control in Soil Testing Using the Internal Standards: Temporal Variability in Organic Carbon and Extractable Nutrient Elementsen_US
dc.typeJournal Articleen_US
cg.subject.agrovocsoil testingen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.crpCRP on Dryland Systems - DSen_US
cg.contributor.funderNot Applicableen_US
cg.coverage.regionSouthern Asiaen_US
dc.identifier.statusLimited accessen_US

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