Soil Nutrients. Nicotiana tabacum requires many essential elements in order for survival including: carbon, nitrogen, potassium, calcium, magnesium, sulfur, iron, manganese, boron, copper, zinc, and chlorine. The main flow of all these nutrients is from the roots, through the stem, and eventually to the leaves. The top of the plant which produces the flowers is the main destination for all of the nutrients. Carbon: Carbon makes up about 40 percent of the dry tobacco leaf right after it has been cured.
A turkey crown takes around 20 minutes per pound to cook. A 10  pound turkey crown will take at least 3 hours and 20 minutes.ow long do you cook a 10-12 lb precooked turkey? 2 to 2 1/2 hours. if you want a brown brittle skin,baste in butter every 20 minutes.
Cooking the turkey. The rule of thumb is to cook poultry for 15 to 17 minutes per pound. Add 30 minutes extra to any cooking time if you're stuffing the turkey. The best way to check if a turkey is done cooking is to use a meat thermometer. These are invaluable when checking to see if the turkey has reached a temperature of 165 degrees, which is considered completely cooked.