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.
Use natural fertilizers. Natural fertilization is crucial to organic farming. This different from conventional farming, as conventional farms often use synthetic fertilizers that can be harmful to health. Natural fertilizers also make the soil healthier, which can result is better produce. The most common natural fertilizer is manure.