The following points highlight the top two types of Biological Nitrogen-Fixing Agents. The types are: 1. Symbiotic Nitrogen Fixers 2. Non-Symbiotic Nitrogen Fixers. Biological Nitrogen-Fixing Agent: Type # 1. Symbiotic Nitrogen Fixers: A. Legumes and Nodule Bacteria: Leguminous crops, mainly peas, beans, clovers, soybeans etc., can fix about 14 x 106 metric tons of nitrogen on earth per year through [...]
The following points highlight the two main factors affecting low temperature stress. The factors are: 1. Effects of Chilling Stress 2. Effects of Freezing Stress. Low Temperature Stress: Factor # 1. Effects of Chilling Stress: Chilling stress affects several functions in plants including membrane structure and function, changes in nucleic and protein synthesis, water and nutrient balances, cellular cytoskeletal structure, [...]
In this article we will discuss about Salinity Stress in Plants. After reading this article you will learn about: 1. Reactions of Plants to Salinity 2. Mechanisms of Salt Resistance. Reactions of Plants to Salinity: The reactions of plants to salinity depend on the specific degree of tolerance against soil salinity. Plants can be classified according to their biomass production [...]