Chapter 37, Problem 5IQ

Summary Introduction

To fill: The types of bacteria that contribute to nitrogen nutrition of plants and the final form that is transported in the xylem to the shoot system.

Introduction: Nitrogen (N₂) is required in large amounts by the plants. Nitrogen is a vital component of proteins, nucleic acids, as well as other cellular constituents. Plants utilize nitrogen in the form of nitrate or ammonium ions. Hence, the atmospheric nitrogen must be fixed (combined) for the utilization of the plants, and it can be achieved by microorganisms.