* Some producers purchased soymeal early Monday despite firming cash prices, dealers said. * Even as soymeal futures rose 1 percent on Monday, soymeal futures were still more than 3 percent lower than a week ago. * Most end users remained bearish and waited for lower cash prices, dealers said. * Truck soymeal offers rose by 1 cent at two processors in Iowa and by 2 cents at a processor in Kansas City. * CBOT grains and soy rose with US stocks as the US dollar slipped amid possible plans for the euro debt crisis. * CBOT December soymeal was up $3.50 at $286.20 per ton, as of 11:18 a.m. CST (1735 GMT). * The CBOT January board crush rose 1-1/2 cents to 50-1/2 cents per bushel.