DESCRIPTION OF COURSES

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ES 500 INTRODUCTION TO ENVIRONMENTAL SCIENCES                                                                 (3L+0P) I

Objective
To give an overview to the students on the importance of environment in agriculture

Theory

UNIT I
Definitions and concepts in environmental sciences; ecology, ecosystem and environments; components of environment and their interactions

UNIT II
Structure and functions of ecosystems; biotic and abiotic interactions; energy flow and nutrient cycling in different eco-systems- trophic levels, food chain and food webs, primary and secondary productivity; biological building blocks; ecosystems of the world and biogeographic regions; agroclimatic regions; biodiversity – their genesis, utilization, erosion and conservation.

UNIT III
Climate change and climate variability and their impact on agriculture; crop modelling; soil-plant atmospheric interactions; soil and cropping patterns of India; emerging diseases and pests of crops; sustainable agriculture; greenhouse effect; global warming; GHGs emission and mitigation strategies to reduce their emission.

UNIT IV
Environmental pollution- soil, water and air, and their source and sink; impact assessment of environmental pollution on agriculture; evaluation of agroecosystem services; agricultural and non-agricultural wastes and their management

UNIT V
Environmental issues; acts and legislation; generation of biofuels from agricuclture resources; water conservation strategies to improve agricultural productivity

Suggested Readings