Embrapa’s experience in the production and development of agriculture reference materials

摘要: The main challenge of Embrapa is to develop a model genuine Brazilian tropical agriculture and livestock. To get this task, the quality laboratories results mandatory, increasing demand for reference materials. Projects were proposed produce materials support national consolidate network able perform reliable reproducible analytical testing laboratory within internationally standards required. Reference produced available interested collaborative tests conducted obtain consensus values. statistical evaluations performed with use software developed by Pecuaria Sudeste.