After reading this article you will learn about the definition and formation of saline arid zone. Definitions of Saline Arid Zone: 1. The soils containing excess soluble salts, generally chlorides and sulphates of sodium, magnesium and calcium (excluding gypsum) that adversely affect the crop growth are called saline. The main causes of saline soil development can be attributed to the: [...]
Arid zones are not uniform. There are at least four primary groups: 1. Hot, dry global zones bounding both sides of the tropics, as in North Africa and the middle East. 2. Cold, continental dry zones, as in central Asia and central Australia. 3 Cold, upland dry zones, blocked by high mountains, such as in central Anatolia. 4. Cold and [...]
After reading this article you will learn about the meaning and types of halophytes. Meaning of Halophytes: The term halophyte literally means salt plant. According to Jennings (1975) halophytes are defined as the native flora of saline soils and has assumed the salt concentration with osmotic pressure of at least 3.3 bars. The non-halophytes are called glycophytes (sweet plants). Types [...]