Body: People who study "Fertilizers and improvement of the soil" investigate understanding and maximizing the ability of soil to produce food and other crops, while maintaining and improving soil quality to ensure future production.
Some subfields in "Fertilizers and improvement of the soil" include understanding the management of ph levels in soil, the effects of certain chemical additives, natural enrichment practices, the effect of weather on soil erosion, depletion of nutrients, and many other topics.
Why study "Fertilizers and improvement of the soil"? improve production of food and fibre crops, and to help agricultural resources continue to thrive by way of good soil management.
A few scholars of "Fertilizers and improvement of the soil" include the Nobel prize winner Norman Borlaug, for his techniques of breeding strains (not GMO) that grew better in certain types of soil, which doubled wheat crops, and the Korean researcher Yongho Kim who works with a team on the effects of microbes on soil quality.