The guys gather, eyes popping, in the machinery yard of a 15,000-acre unit of Raiz Agro near the village of Ruzhavka in Ukraine’s Uman region. They’re face-to-face with three brand-new 30-ton monster grain trucks, top-end GPS-equipped combines and tractors, two of the hugest anhydrous am-monia tanks imaginable, 120-ft. boom sprayers and—hold on here—is that a 32-row planter?