IAS (Admin.) Mains Geography Biogeography-Genesis of Soils Study Material (Page 6 of 10)
Choose Programs:
📹 Video Course 2024 (208 Lectures [94 hrs : 58 mins]): Offline Support
Rs. 580.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
🎓 Study Material (2072 Notes): 2024-2025 Syllabus
Rs. 1250.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 761 Questions (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 1200.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
📜 Exam Like Tests (14 Tests: 12 Unit-Tests & 2 Full-Length): With Feedback Call After Each Test
Rs. 6215 -OR-
All Tests to be Submitted within an Year
Help me Choose & Register (Watch Video) Already Subscribed?
Soil Characteristics: Drainage
Edit
Drainage
Drainage represents the quality of soil to get rid of accumulated water.
Factors Affecting Drainage
Drainage of a soil depends on
- Soil Type: Few soils can remain saturated for long periods after rainfall. Coarse-textured soils drain very rapidly if outlets are available. Moderately coarse, medium, moderately fine, and fine-textured soils require correspondingly longer periods before getting workable.
- Landscape: Soils in level areas or depressions are poorly drained, and water tables can be near sur…
… (243 more words) …
Subscribe (by clicking here) to view full notes and track progress.
Soil Characteristics: Mineral Content
Edit
Mineral Content
Most soil except purely organic soils like peat and muck are made mostly of mineral materials.
- Essential Nutrients: 16 essential plant nutrients are needed for optimum growth of plants. From soil solids, plants obtain
- Macronutrients: These are required in large quantities, for example, nitrogen, phosphorus, potassium, calcium, magnesium, and sulphur. Others include carbon, hydrogen, and oxygen obtained largely from the water and air.
- Micronutrients: These are needed by plants in very small amounts, for example, iron, manganese, copper, zinc, boron, chlorine, and molybdenum. Few m…
… (101 more words) …
Subscribe (by clicking here) to view full notes and track progress.