Agriculture & Allied Sciences

Maize Agroecosystem
Nutrient Dynamics and Productivity

K. R. Krishna, PhD

Maize Agroecosystem

Published. Now Available
Pub Date: July 2012
Hardback Price: see ordering info
Hard ISBN: 9781926895086
Paperback ISBN: 978-1-77463-196-6
E-Book ISBN: 9781926895086
Pages: 356pp w/ index
Binding Type: hardbound / ebook / paperback


Reviews
“This book is useful to many scientists worldwide who have an interest in maize production. Contains a wealth of information . . .”

—Davey Jones, Journal of Experimental Agriculture, Cambridge University Press

Now Available in Paperback


Maize is among the most widely spread and widely used crops of the world, used for cereals for over 4 billion humans, as food for farm animals, and as a source material for biofuel production. Yet there are relatively few books on the cropping system of this important crop. This book, Maize Agroecosystem, is a concise treatise dealing with agronomy, soil fertility, and productivity of maize. The information is global in nature and considers recent developments in all maize cropping belts.

The “global maize agroecosystem” is a conglomerate of several “maize cropping belts” that flourish on different continents. The impact of nutrient management on the productivity of maize agroecosystems is the main focus of this book.

The book includes the history of maize growing, the kinds of soil needed, nutrient dynamics, the use of soil organic matter, the physiology and genetics of maize, and integrated nutrient management. It presents comprehensive knowledge regarding the physicochemical dynamics of the three major nutrients: nitrogen, phosphorus, and potassium. Also covered is how fertilizers impinge on soils of maize farms and their impact on soil and groundwater quality. The impact of crop genotype on soil nutrient dynamics and productivity is also highlighted.

The information provided here will be highly useful to students at colleges and universities in the fields of agricultural sciences and environmental science and ecology, and the book also functions as valuable resource for researchers and professors in crop science.

Several figures and tables are included that describe and summarize the impact of various agronomic/fertilizer management procedures on crop productivity.

CONTENTS:
Preface by Kowligi Krishna
Chapter 1: Maize Agroecosystem: Origin, Physiography, Expanse, and Production
• Introduction • Physiography, Agroclimate, Soils, Water Requirements and Cropping Systems • Expanse and Productivity of Maize Agroecosystem: Current Status • Uses • Summary
Chapter 2: Soils of the Maize Agroecosystem: Tillage and Nutrient Dynamics
• Soils of Maize Agroecosystem • Physico-Chemical Transformations of Nutrients in the Soil: A Summary • Soil Tillage affects Nutrient Dynamics in the Maize Belt • Summary
Chapter 3: Nitrogen, Phosphorus, and Potassium in Maize Agroecosystems
• Major Nutrients: Nitrogen, Phosphorus and Potassium in Maize Belts • Nitrogen Dynamics in Maize Agroecosystem • Phosphorus Dynamics in Maize Agroecosystem • Potassium Dynamics in Maize Cropping Zones • Summary
Chapter 4: Secondary and Micronutrients in Maize Agroecosystems
Chapter 5: Soil Organic Matter, Crop Residues, and Green Manures

• Soil Organic Carbon and Its Sequestration • Crop Residues and Nutrient Recycling • Green Manures and Nutrient Dynamics • Organic Mulches and Nutrient Dynamics • Summary
Chapter 6: Maize Roots, Rhizosphere, Soil Microbes, and Nutrient Dynamics
• Introduction • Maize Roots, Their Growth and Nutrient Dynamics • Root Exudations • Maize Rhizosphere • Soil Microbes and Nutrient Dynamics • Summary
Chapter 7: Crop Physiology, Genetic Improvement, and Nutrient Dynamics
Chapter 8: Integrated Nutrient Management

• Crop Response to Nutrient Management Procedures • Modeling to Improve Nutrient Dynamics and Maize Production: Examples • Agronomic Efficiency of Fertilizers • Irrigation and Water-Use Efficiency Affect Nutrient Dynamics • Soil Erosion Control and Its impact on Nutrient • Dynamics • Weeds affect Nutrient Dynamics and reduce Maize Productivity • Long Term trials With Maize • Cropping Systems, Nutrient Dynamics and Productivity • Maize for Bio-fuel Production: Nutrients and Productivity • Summary
Index


About the Authors / Editors:
K. R. Krishna, PhD
Formerly Visiting Professor and Research Scholar at the Soil and Water Science Department at the University of Florida, Gainesville, USA; Independent Researcher and Author

K. R. Krishna received his PhD in Agriculture from the University of Agricultural Sciences Bangalore. He has been a cereals scientist in India and a visiting professor and research scholar at the Soil and Water Science Department at the University of Florida, Gainesville, USA. Dr. Krishna is a member of several professional organizations, including the International Society for Precision Agriculture, the American Society of Agronomy, the Soil Science Society of America, the Ecological Society of America, and the Indian Society of Agronomy.




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