date:Jun 14, 2016
is being followed, such as the fertilizer regime to control nitrate in the fruit. Even with this type of control, it is probably prudent to monitor the nitrate level in the incoming concentrates as a secondary check. The nitrate in the concentrate is an analytical check and is not really amenable to continuous assay. It will be important to determine the appropriate number of tests to avoid problems. It may be necessary to test each lot or perhaps each bin, depending on how variable this metric