首页 / 官方藏书 / Northern Nut Growers Association Thirty-Fourth Annual Report 1943 / Tests by the same operator of duplicate samples of Ohio black walnuts, treated in various ways before cracking. 25 nut samples. 1942 crop.

Tests by the same operator of duplicate samples of Ohio black walnuts, treated in various ways before cracking. 25 nut samples. 1942 crop.

Northern Nut Growers Association Thirty-Fourth Annual Report 1943 · 第 4 / 8 章