Soil Formation: How is Soil Formed [with Factors and Processes for Class 7, 8 ,9, 10]! Soil formation is a long slow process. It is estimated that an inch of soil takes 500 to 1000 years to form. Soil is constantly being formed and eroded. The soil formation is the process of weathering of rocks and minerals into regolith and [...]
List of 85+ MCQs on soil science ! This will help you to learn about the frequently asked objective type questions on soil science especially compiled for ICAR, ARS, IARI Ph.D and other competitive exams. 1. Hue denotes (A) Dominant spectrum (B) Lightness or brightness (C) Purity (D) Intensity Ans. A 2. Phosphorus uptake in alkali soil in the form [...]
Measurement of soil moisture is necessary in several soil and hydrological investigations. Soil moisture measurements are needed for scheduling irrigations, in experimental studies on crop water requirements and evaluating surface irrigation systems. Soil moisture measurements are also needed in areas of less rainfall for evaluating different moisture conservation practices. There are many methods available for measuring soil moisture. Most of [...]