Inputs:	No. Leaves Sampled: No. Leaves Infested: Compute conversion table   Reset to defaults

Binomial sampling table:                  Help window: Estimated mean density of spider mites from leaf samples: Total # leaves sampled Leaves with more than 5 mites/leaf Estimated mean #/leaf Introduction: The decision to treat a pest is dependent upon several factors such as the cost and efficacy of treatment, the price of the commodity, the injury rate of the pest, and the risk of incorrect sampling data. This sampling and threshold calculator takes all these factors into account and provides a seqential decision making tool for pest control. If the sampling density is near the threshold, then sequentially MORE samples are needed before a decision to treat can be recommended.

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