TY - SER AU - Aboukarima,A.M. AU - Abd El Halim,S.N. AU - Morghany,H.A. TI - Uncertainty evaluation of seeding rate during laboratory testing of seed drill KW - Uncertainty KW - Drills (Planting machinery) N1 - Includes reference N2 - The government of Egypt encouraged the agricultural sector to enhance its strategic directions to achieve higher rate of agricultural output growth through different ways. One of these ways is enhancing possibilities of the testing laboratories overseen by Ministry of Agriculture and Land Reclamation by taking accredited steps acording to ISO 17025. However, ISO 17025 states testing laboratories shall have and shall have and shall apply procedures for estimating uncertainty of measurement UR - http://nile.enal.sci.eg/EALE/2008/MUJAS/3308/8/5791.pdf ER -