STABILITY OF FOLIAR NITROGEN:SULFUR RATIO IN SPRING RED WHEAT AND SULFUR DILUTION CURVE.Published in:Journal of Plant Nutrition, 2012, v. 35, n. 7, p. 990, doi. 10.1080/01904167.2012.671403By:Reussi, Nahuel;Echeverría, HernánEduardo;Rozas, HernánSainzPublication type:Article
Welk Homestead Tells German-Russian Agriculture Story.Published in:North Dakota History, 2017, v. 82, n. 2, p. 36By:Rogness, Diane;Holland, ErikPublication type:Article