Each group contained 25 cattails. All of the groups were grown in the same type of soil, they all received the same amount of light, and they were all kept at the same
Cooking at a constant oven temperature of 300Â°F (160Â°C), a 5- to 8-lb standing rib roast will take 17-19 minutes per pound for rare, 20-22 for medium rare, 23-25 minutes for medium, and 27-30 minutes for well done.ow long and at what temperature should I cook a beef roast in the oven? Roasting is a great cooking method for a large, tender cut of beef  such as a rib or sirloin roast.
Roast for about 13-15 minutes per pound for rare, 17-19 minutes for medium, and 22-25 for cooked through. Check the meat with a thermometer to make sure it is the temperature you want it--145Â°F for medium rare, 160Â°F for medium. (Baste the roast a couple times while cooking, and keep an eye on the vegetables.eat a cast iron skillet over high heat, and sear the beef on all sides until browned, but not burned, about 3-4 minutes per side. Put the vegetables and bay leaves in the bottom of a roasting dish. Drizzle with olive oil and place the roast on top.