This depends on the variety of tree. Trees that are self-pollinating do not require another tree to bear fruit. Apples and pears generally require another variety planted nearby for pollination.
Most pine trees are safe to make pine needle tea. Some varieties of them are poisonous though, like Yew (Taxus), Norfolk Island Pine (Araucana heterophylla) and Ponderosa Pine (Pinus ponderosa)....
The amount of milk depends on the breed and type of cow. Beef cows will produce around 10 to 20 pounds of milk per day, while dairy cows will produce...