*US BioDiesel demand slowing so US Plants SoyOil stok believed to elevate 9% vs Jan vs 15% drop vs LY
*China Soy/PalmOil spread narrows as Palm prices moves in tight range
*US BioDiesel demand slowing so US Plants SoyOil stok believed to elevate 9% vs Jan vs 15% drop vs LY
*China Soy/PalmOil spread narrows as Palm prices moves in tight range