Soil Management

Foreword vii

Preface ix

Contributors xi

Section 1 Framing the Soil Resource Problem

1 An Overview of Soil and Water Management: The Challenge of Enhancing Productivity and Sustainability 3
Daniel Hillel

2 Challenging Balance between Productivity and Environmental Quality: Tillage Impacts 13
D.C. Reicosky, T.J. Sauer, and J.L. Hatfield

3 Indices for Soil Management Decisions 39
Douglas L. Karlen, Brian J. Wienhold, Shujiang Kang, Ted M. Zobeck, and Susan S. Andrews

Section 2 Principles Underlying Management

4 Water Dynamics in Soils 53
M.B. Kirkham

5 Nutrient Cycling in Soils: Nitrogen 67
Robert W. Mullen

6 Potassium Cycling 79
Sylvie Brouder

7 Nutrient Cycling in Soils: Sulfur 103
John L. Kovar and Cynthia A. Grant

8 Gas Exchange in Soils 117
Witold StÄpniewski, Zofia StÄpniewska, and Agnieszka Rożej

9 Soil Biology 145
Eileen J. Kladivko and Jill Clapperton

10 Soil Management for Increasing Water Use Efficiency in Field Crops under Changing Climates 161
Jerry L. Hatfield

11 Climatic Resources 175
Jerry L. Hatfield and John H. Prueger

12 Pesticide Movement 183
Timothy J. Gish, Jared Williams, John H. Prueger, William Kustas, Lynn G. McKee, and Andy Russ

13 Subsurface Drainage Design and Management to Meet Agronomic and Environmental Goals 199
J.S. Strock, G.R. Sands, and M.J. Helmers

14 Wind Erosion 209
Ted M. Zobeck and R. Scott Van Pelt

15 Crusting 229
Guy J. Levy

Section 3 Soil Management Practices

16 Manure Management 247
Francis J. Larney, Xiying Hao, and Edward Topp

17 Disease Management 265
Timothy C. Paulitz

18 Direct and Indirect Impacts of Weed Management Practices on Soil Quality 275
Richard G. Smith, Matthew R. Ryan, and Fabian D. Menalled

19 Fallow Effects on Soil 287
David C. Nielsen and Francisco J. Calder³n

20 Grazing Impacts on Soil Physical, Chemical, and Ecological Properties in Forage Production Systems 301
Miguel A. Taboada, Gerardo Rubio, and Enrique J. Chaneton

21 The Use of Cover Crops to Manage Soil 321
T.C. Kaspar and J.W. Singer

22 Intercropping and its Implications for Soil Management 339
S. Walker, C.J. Stigter, E. Ofori, and N. Kyei-Baffour

23 Agroforestry 351
Thomas J. Sauer and Guillermo Hernandez-Ramirez

24 Soil Management Implications of Producing Biofuel Feedstock 371
Jane M.F. Johnson, David W. Archer, Douglas L. Karlen, Sharon L. Weyers, and Wally W. Wilhelm

25 Emerging Challenges in Soil Management 391
Jerry L. Hatfield and Thomas J. Sauer

Index 395