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Course Detail

Course Name Problematic Soils and their Management
Course Code 26SAC211
Program BSc. (Hons.) Agriculture
Semester 4
Credits 2
Campus Coimbatore

Syllabus

Syllabus

Theory

Soil quality and health, Distribution of wasteland and problem soils in India, Categorization of Problem soils based on properties. Reclamation and management of Acid soils, Saline, Sodic soils, Acid Sulphate soils, eroded and compacted soils, polluted soils. Contaminated soils (Pesticide contamination, Heavy metal contamination), Mined soils (Coal mined, Oil mined), Management of Riverine soils, Waterlogged soils, Irrigation water – quality and standards, utilisation of saline water in agriculture.

Use of Remote sensing and GIS in diagnosis and management of problem soils. Irrigation and water quality. Multipurpose tree (MPT) species, bioremediation through MPTs of soils, land capability and classification, land suitability classification. 

Practical

Determination of pH and EC of saturation extract of problematic soil. Determination of redox potential in soil, Estimation of water-soluble and exchangeable cations in soil and computation of SAR and ESP and characterisation of problematic soil. Determination of Gypsum requirement of alkali / sodic soil. Determination of lime requirement of acidic soil. Determination of Quality of irrigation water (pH, EC, Ca, Mg, Na, CO3, HCO3, Cl, SAR and RSC), Determination of nitrate (NO3–) from irrigation water, Determination of dissolved oxygen and free carbon dioxide levels in water samples.

Objectives and Outcomes

Objectives

  1. To acquaint the students about various problem soils like degraded soils, acid soils, saline soils, alkali soils, eroded soils, submerged soils, and polluted soils. Also to impart knowledge about remote sensing, GIS, multipurpose trees and Land capability classification

  2. To give hands-on training about estimation of various soil and water quality parameters associated with problem soils.

Course Outcome:

Any student who has undergone the course shall be able to:

Sl.No

Course outcome

CO

Blooms level

1

Attain knowledge about soil health, quality, wasteland and problem soils with their characteristics and management

CO1

Understand

2

Able to identify problems of soil, how to reclaim the problem soil and their post- reclamation management

CO2

Apply

3

Explain about the land management to improve the soil physical and chemical health

CO3

Understand

4

Assess the irrigation water quality and suggest the recommendation for better crop production

CO4

Apply

5

Acquire advanced knowledge regarding the remote sensing and GIS

CO5

Understand

6

Define clear vision about different types of soil pollution and their management along with ecosystem management and carbon sequestration methodologies

CO6

Remember

 

Text Books / References

Suggested Readings

1. Agarwal R R, Yadav J S P and Gupta R N. 1982. Saline Alkali soils of India. ICAR, AGROBIOS (India).

2. Brady Nyle C and Weil Ray R. 2014. The Nature and Properties of Soils. Pearson Education Inc., New Delhi.

3. Paul Cirsan J. 1985. Principles of Remote Sensing. Longman, New York

4. Indian Society of Soil Science. 2002. Fundamentals of Soil Science. IARI, New Delhi.

5. Towhid Osman Khan. 2018. Management of Soil Problems. Springer publication

6. Srivastava V C. 2002. Management of Problem Soils – Principles and Practices. New Delhi

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