Worksheet: Stars and the H-R Diagram. Background: The Hertzsprung-Russell diagram is actually a graph that illustrates the. relationship that exists between the average surface temperature of stars and their. absolute magnitude, which is how bright they would appear to be if they were al the. same distance away.
The most important time to fertilize your lawn is in the fall to help you lawn develop a strong root system. Apply 1.5 to 2.5 pounds of nitrogen per 1,000 square feet. Use a lawn fertilizer with a higher amount of nitrogen, if your grass type is Kentucky bluegrass or perennial ryegrass, or soil is sandy, or grass clippings are not returned to the lawn. Greenview recommends applying Greenview Fairway Formula Fall Fertilizer 0 Phosphate in early September.
It is now growing season across the Corn Belt of the United States. Seeds that have just been sown will, with the right mixture of sunshine and rain, be knee-high plants by the Fourth of July and tall stalks with ears ripe for picking by late August. Corn is much more than great summer picnic food, however.