Most everyone knows that we use proteins, carbohydrates and fats for energy. Calories are measurement of a unit of heat or food energy. For example, we can achieve four calories per gram of proteins and carbohydrates, and nine calories per gram from fats.
Tree Variety. Virginia pine (Pinus virginia) is the major Christmas tree species for the acidic soils found in East Texas. A grower can produce a 6- to 8-foot Virginia pine Christmas tree in 3 to 5 years, depending on soil and climatic conditions.
Grow the seedling in a pot first. To grow a Christmas tree successfully in the ground, you will need to plant the seedling in a pot in a greenhouse. You can also buy a young seedling at a tree nursery. You will then transplant the tree to the planting site so it grow tall and strong in the ground.