Zone de Texte: According to ISO static sampling protocols (ISO, 1999), the maximum acceptable lot size is 500,000 kg.(1 billion kernels) According to ISTA rules (ISTA rules supplement, 1999) the maximum lot size ranges between 10,000 and 20,000 kg (200-400 million kernels). Sample size increases with heterogeneity of lot. No generally accepted statistical model available. Zone de Texte: Statistics Zone de Texte: According to ISO static sampling protocols (ISO, 1999), the maximum acceptable lot size is 500,000 kg.(1 billion kernels) According to ISTA rules (ISTA rules supplement, 1999) the maximum lot size ranges between 10,000 and 20,000 kg (200-400 million kernels). Sample size increases with heterogeneity of lot. No generally accepted statistical model available. Zone de Texte: Statistics

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