In the last decade, nanotechnology as a novel technology has solved many problems in different fields of science and industry and it has found its position and functions in agriculture. Nanotechnology has various functions at all stages from production, processing, storage, packing, and transportation of agricultural products. Nano fertilizers are the most important part of nanotechnology in the production phase of agriculture. Application of nano fertilizers instead of common fertilizers, the nutrients are provided to plants gradually and in a controlled manner.