Course Spotlight. As a marine biology major, youâll most likely take a course in marine ecology. In this class, youâll focus less on the details of individual organisms and more on their relationships with each other and with their habitats.
The different types of chemical fertilizers are usually classified according to the three principal elements, namely Nitrogen (N) , Phosphorous (P) and Potassium (K) , and may, therefore, be included in more than one group. Liquid fertilizers : â these types of fertilizer come in a variety of formulations and even include organic fertilizer, complete fertilizer as well as special purpose fertilizer. 2  Some examples of liquid fertilizer are Nitrosol and African Violet Food.
All three types of superphosphate are usually made with a naturally occurring substance called rock phosphate. While this can be applied as a fertilizer in its raw form, putting it through the chemical reactions to create other types of fertilizer has been found to make it more effective.Ad.hen applied to the soil, a superphosphate fertilizer raises the amount of phosphorus available to plants. Regardless of type of plant, all require a healthy amount of phosphorus in order to survive. This nutrient is present in every cell of the plant, and is vital in maintaining the strength of the cell structure.