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.
To reduce your risk of primary nutritional deficiency, simply adopt a balanced diet rich in nutritious foods, including whole grains, leafy greens, fruits and lean proteins. Most adults can get enough of the required nutrients while following a diet with 2,000 calories per day. One way of reducing your risk of primary nutritional deficiency is to limit empty-calorie foods such as soft drinks and candy, which add calories but have no significant nutritional value.