Timing. The type of grass will determine whether to aerify in the fall or in the summer. Lawns composed of cool-season grasses such as Kentucky bluegrass and tall fescue are best aerified in the fall, when there is less heat stress and danger of invasion by weedy annuals.
Vitamins and minerals are essential nutrients your body needs in small amounts to work properly. Most people should get all the nutrients they need by eating a varied and balanced diet.
This article reviews the essential nutrients, their sources, and their role in health and disease. The human body is composed of thousands of different chemicals. Amazingly, provided with enough calories, the body is capable of manufacturing nearly all of its needed nutrients. There are, however, some 45 or so nutrients that the human body is incapable of manufacturing. These nutritional elements are called essential because it is essential for humans to incorporate them into their diets.