Microbes live in the soil and have close association with plants and together they form microbiomel. Microbes include bacteria, fungi, virus, and protists among others. They can boost growth of the plant as by improving access to supplements. Many microbes are beneficial such as they can help in decomposition of organic matter, recycling of old agricultural material, offer phosphorus or nitrogen as nutrients and provide benefits such as heat and drought tolerance along with resistance to insects and plant diseases.