Mineral elements and Plant Nutrition

Mineral elements and Plant Nutrition Elements derived from soil are termed as mineral elements. Mineral nutrition is the study of source, mode of absorption, distribution and metabolism of various inorganic …

Nitrogen Fixation

Nitrogen fixation  The process of conversion of free nitrogen of the atmosphere into utilisable compounds of nitrogen such as nitrate, ammonia, amino acids etc is termed as nitrogen fixation.  …

Active Salt Absorption

Active mineral salt absorption The absorption of ions, involving use of metabolic energy is termed as active salt absorption.  Energy used in this mechanism comes from metabolic activities, especially …

 Mineral salt absorption

Mineral salt absorption Plants absorb mineral salts from the soil through the roots.  The zones of elongation and the root hairs are responsible for the mineral salt absorption.  They …

Guttation

Guttation The process of exudation of liquid droplets from the margin and apex of the leaves of herbaceous plants is termed as guttation.   It was first studied by Bergerstein …

Water potential

Water potential:  Water potential is the difference between free energy of water in a system and the free energy of pure water at atmospheric pressure and a defined temperature.  It …