Determining the weight of 100 CDs depends on whether only the CDs are weighed or if the CDs have sleeves or jewel cases. A single CD by itself weighs about 0.58 ounces. Therefore, 100 CDs by themselves weigh 58 ounces.
Nitrogen is essential for the growth of leaves and stems, and it helps to give plants a rich, green color. If it is lacking, plants will be pale and sickly-looking, and the oldest leaves will look worse than the newer ones.
Plants need a plethora of nutrients to grow, but there are three major nutrients that all plants use more than any others. Providing your plants with a regular supply of nitrogen, potassium and phosphorus will help your plants fulfill their maximum growth potential.