Global climate change with reference to microorganisms in soil–agriculture ecosystem - Climate Change Effect on Crop Productivity - page 443

ChApteR eIGhteeN

Global climate change
with reference to
microorganisms in soil-
agriculture ecosystem

Vivek Kumar

Contents

Abstract 443

18.1 Introduction 444

18.2 Greenhouse gas emissions by microbial control 445

Carbon dioxide gas 445

Nitrous oxide gas 447

Methane gas 448

Reducing CO 2 emissions by microbial
communities 448

Reducing CH 4 emissions by microbial
communities 450

Reducing N 2 O emissions by microbial
communities 451

Soil-borne pathogens and climate change 451

Indirect climate-microbe feedbacks 452

Future perspectives and wrapping up 452

References 454

Abstract

Microorganisms found in the soil are vital to many of
the ecological processes that sustain life, such as nutrient
cycling, decay of plant matter, consumption and produc-
tion of trace gases, and transformation of metals (Panikov,
1999). Although climate change studies often focus on

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