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.
On the other hand, inorganic fertilizers, also known as mineral fertilizers usually come from mining of mineral deposits. They need some processing and include phosphate, lime, rock, potash etc. They can also be manufactured industrially through chemical processes, an example of that being urea. There are some important differences between organic and inorganic fertilizers in terms of their properties, applications and effectiveness.