After reading this essay you will learn about:- 1. Necessity for Irrigation 2. Problems of Irrigation Farming 3. Principles 4. Methods. Essay on the Necessity for Irrigation: Indian agriculture is severely handicapped by the erratic distribution of rainfall in different seasons. It not only varies from one region to another but, also from year to year in the same region. [...]
After reading this article you will learn about the structure and related properties of water molecules. One oxygen atom combines with two hydrogen atoms by sharing a pair of electrons with each of them. But the electrons are not shared equally. They are nearer to the oxygen than to the hydrogen’s. Consequently, a weak negative charge develops on the oxygen [...]
This article provides notes on Soil-Plant Atmosphere Continuum (SPAC). "Because water is generally free to move across the plant-soil, soil-atmosphere, and plant atmosphere interfaces it is necessary and desirable to view the water transfer system in the three domains of soil, plant and atmosphere as a whole...it must be pointed out that, as well as serving as a vehicle for [...]