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.
Chemical fertilizers are made from ingredients that are not organic. Instead, they are created by a chemical process that varies among the types of chemical fertilizer. Many include some proportion of the three major nutrients needed for plant growth: nitrogen, phosphorus, and potassium.There are a number of different types of chemical fertilizer, all manufactured for applications in different soil conditions for a variety of plants and crops.ome chemical fertilizers contain nutrients in addition to the three main types. Ammonia and urea are common additions to chemical fertilizers. Occasionally, there can be a need for fertilizers that add copper, iron, sulfur, zinc, and manganese to the soil.