據(jù)了解，美國農(nóng)業(yè)部曾于2016年11月25日發(fā)布核桃等級(jí)標(biāo)準(zhǔn)修訂案，擬批準(zhǔn)紅色核桃上市銷售。本次修訂有助提升紅色核桃在國內(nèi)外市場銷售，并就此征求意見，首輪征求意見截止2017年1月24日。本次征求意見截止2017年4月24日。
部分原文報(bào)道如下：
Notice is hereby given that Agricultural Marketing Service （AMS） is reopening the comment period on the proposed rule that invited comments on the revision of the U.S. Standards for Grades of Shelled Walnuts and U.S. Standards for Grades of Walnuts in the Shell published in the Federal Register on November 25, 2016. The comment period for this proposed rule closed on January 24, 2017. The changes are intended to modernize the standards, and meet consumer demands by providing greater marketing flexibility.
原文鏈接：https://www.federalregister.gov/documents/2017/03/23/2017-04805/us-standards-for-grades-of-shelled-walnuts-and-walnuts-in-the-shell
