Agronomy is a branch of Agriculture that deals with___________.

The Correct Answer is Principles and practice of crop production.

Key Points

• Agronomy is a branch of agricultural science that deals with the study of crops and the soils in which they grow. Agronomists work to develop methods that will improve the use of soil and increase the production of food and fiber crops.
• AGRONOMY: consists of two Greek words i.e. Agros =field, Nomos = to manage
• It is mainly based on the following basic principles:
  • Agrometeorology
  • Soils and Tillage,
  •  Soil and Water Conservation, 
  • Irrigation Water Management, etc.
• It has three distinct branches: 
  • Crop Science (mainly field crops) 
  • Soil science
  • Environmental Science (that deals with applied aspects)