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Managing soil health for sustainable agriculture Volume 2

Managing soil health for sustainable agriculture Volume 2

Dr Don Reicosky | Dr Brian K. Slater | Dr Skye Wills | Dr Stephen Roecker | Dr Candiss Williams | Dr Brian Murphy | Dr A. Fortuna | Dr A. Bhowmik | Dr A. Bary | Dr C. Cogger | Dr Santanu Bakshi | Dr Chumki Banik | Dr Zhenli He | Dr Eleanor E. Campbell | Dr John L. Field | Professor Keith Paustian | Prof. Jeffrey Strock | Dr Jeffrey Peter Mitchell | Dr Howard Ferris | Dr Anil Shrestha | Dr Francis J. Larney | Dr Garrison Sposito | Dr Gilbert G. Sigua | Dr Robert L. Myers | Prof. Bijay Singh | Prof. Robert J. Kremer | Dr Humburto Blanco-Canqui | Dr David Güereña | Dr A. O. Ogunkunle | Prof V. O. Chude | Prof. Minggang Xu | Dr Wenju Zhang | Dr Zejiang Cai | Dr Shaoming Huang | Dr Ping Zhu | Dr Ieda C. Mendes | Dr Cássio A. Tormena | Dr Maurício R. Cherubin | Dr Douglas L. Karlen | Dr Pandi Zdruli | Dr Claudio Zucca

(2018)

Abstract

There has been growing concern that both intensive agriculture in the developed world and rapid expansion of crop cultivation in developing countries is damaging the health of soils which are the foundation of farming. At the same time we are discovering much more about how complex soils are as living biological systems. This volume reviews the latest research on soil monitoring and management.
Part 1 starts by reviewing soil classification, sampling and ways of monitoring soil dynamics. Part 2 surveys key techniques for managing soil, from irrigation and fertiliser use to crop rotations, intercropping and cover crops. The final part of the book discusses ways of supporting smallholders in maintaining soil health in regions such as Africa, Asia and South America.
With its distinguished editor and international team of expert authors, this will be a standard reference for soil scientists and agronomists as well as the farming community and government agencies responsible for monitoring soil health. It is accompanied by a companion volume looking at developments in soil science.
There has been growing concern that both intensive agriculture in the developed world and rapid expansion of crop cultivation in developing countries is damaging the health of soils which are the foundation of farming. At the same time we are discovering much more about how complex soils are as living biological systems. This volume reviews the latest research on soil monitoring and management.
Part 1 starts by reviewing soil classification, sampling and ways of monitoring soil dynamics. Part 2 surveys key techniques for managing soil, from no-till and conservation tillage techniques to the use of rotations, intercropping and cover crops as well as manure and compost management. The final part of the book discusses ways of supporting smallholders in maintaining soil health in regions such as Africa, Asia and South America.
With its distinguished editor and international team of expert authors, this will be a standard reference for soil scientists and agronomists as well as the farming community and government agencies responsible for monitoring soil health. It is accompanied by a companion volume looking at developments in soil science.
"Managing soil health for sustainable agriculture covers virtually the entire range of soil health topics. Dr Don Reicosky, himself an internationally distinguished soil scientist, has assembled an impressive roster of chapter authors. Each is a world-class specialist in the topic of the chapter. This collection of diverse chapters by highly respected authors promises to be a most interesting read and useful reference."
Professor Ray R. Weil, University of Maryland, USA

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Table of Contents

Section Title Page Action Price
Managing soil health for sustainable agriculture Volume 2: Monitoring and management i
Contents iv
Series list xi
Introduction xvi
Part 1  Soil monitoring 1
Chapter 1  Soil health assessment and inventory: indices and databases 3
1 Introduction 3
2 Challenges for comprehensive soil health assessment 5
3 Soil health assessment frameworks and indices 6
4 Indexing systems in active use 10
5 Classifying indicators and indices 11
6 Practical on-farm assessment: soil health cards, crowdsourcing and citizen science 11
7 Mapping soil health 13
8 Soil property databases 13
9 Conclusion 14
10 Future trends 15
11 Where to look for further information 16
12 References 17
Chapter 2  Soil sampling for soil health assessment 23
1 Introduction 23
2 Defining objectives and generating hypotheses 24
3 Initial steps in designing a sampling plan 25
4 Sampling schemes: sample placement 26
5 Sampling sufficiency and compositing samples 32
6 Collecting the data 33
7 Metadata and implementation 37
8 Conclusions 38
9 Where to look for further information 38
10 Acknowledgements 38
11 References 39
Chapter 3  Biological indicators of soil health in organic cultivation 43
1 Introduction 43
2 Metrics of soil health 45
3 Using biological indicators 52
4 Conclusions and future trends 54
5 Acknowledgements 55
6 Where to look for further information 55
7 References 55
Chapter 4  The impact of heavy metal contamination on soil health 63
1 Introduction 63
2 Current levels of soil contamination by heavy metals 64
3 Natural and anthropogenic sources of heavy metals 66
4 Chemical transformation of heavy metals in soils 69
5 Bioavailability of heavy metals in soils 70
6 Effects of heavy metals on soil health: soil chemistry, biochemistry and microbiology 72
7 Effects of heavy metals on plant health and crop production 75
8 Indicators of soil contamination 77
9 Remediation of contaminated soil 78
10 Conclusions and future trends 79
11 References 80
Chapter 5  Modelling soil organic matter dynamics as a soil health indicator 97
1 Introduction 97
2 SOM modelling basics 99
3 Current issues and developments in SOM modelling 106
4 Future trends in soil health monitoring and decision support services 110
5 Conclusion and future trends 114
6 Where to look for further information 115
7 References 116
Part 2  Managing soil health 125
Chapter 6  Drainage requirements to maintain soil health 127
1 Introduction 127
2 The purpose and practice of land drainage 130
3 The influence of excess water and drainage on different aspects of soil health 132
4 Conclusions and future trends 140
5 Where to look for further information 141
6 References 141
Chapter 7  Managing irrigation for soil health in \narid and semi-arid regions 149
1 Introduction 149
2 Arid and semi-arid regions 150
3 No-till cropping systems 152
4 Cover cropping systems 153
5 Soil food web management for nitrogen availability in arid and semi-arid areas 156
6 Conclusion 156
7 Future trends 157
8 Where to look for further information 158
9 References 158
Chapter 8  Effects of crop rotations and intercropping on soil health 163
1 Introduction 163
2 Defining soil health 166
3 Indicators of soil health 167
4 The roles of soil organic matter in soil health 170
5 Managing soil health: crop rotation 172
6 Managing soil health: intercropping 176
7 Nitrogen fixation and transfer in crop rotation and intercropping 178
8 Summary and future trends 181
9 Where to look for further information 182
10 References 182
Chapter 9  Use of cover crops to promote soil health 191
1 Introduction 191
2 Benefits of cover crops for soil organisms and soil organic matter 192
3 Benefits of cover crops for soil health related to soil physical properties 195
4 Impacts of cover crops on soil health through increased biodiversity, reintegration of livestock and profitability 198
5 Summary and conclusions 200
6 Where to look for further information 201
7 References 201
Chapter 10  Optimising fertiliser use to maintain soil health 205
1 Introduction 205
2 Effects of fertiliser use on soil organic matter,\ncarbon and nitrogen 206
3 Effects of fertiliser use on soil microorganisms 207
4 Effect of nitrogen fertilisers on soil acidity 209
5 Site-specific nutrient management (SSNM) 210
6 Use of controlled and slow-release fertilisers, urease and nitrification inhibitors 212
7 Improving fertiliser placement 213
8 Integrated use of mineral fertilisers and organic manures for enhancing soil health 214
9 Future trends and conclusions 216
10 Where to look for further information 218
11 References 218
Chapter 11  Manure and compost management to maintain soil health 229
1 Introduction 229
2 Manure versus compost 230
3 Manure, compost and soil health 231
4 Manure, compost and inorganic fertilizer 233
5 Practical implications of manure and compost use for soil health 233
6 More manure in the future 234
7 Problems of excess manure 234
8 Integrated livestock production 235
9 Case study: the legacy effect of manure 236
10 Future trends and conclusion 240
11 Where to look for further information 241
12 References 241
Chapter 12  Pesticide use and biodiversity in soils 247
1 Introduction 247
2 Historical perspective 249
3 Pesticides and soil biology 250
4 Pesticides and soil biodiversity: an overview 253
5 Pesticides and microbial diversity in modern agroecosystems including genetically engineered (GE) crops 254
6 Conclusions 257
7 Where to look for further information 258
8 References 258
Chapter 13  Conservation grass hedges and soil \nhealth parameters 265
1 Introduction 265
2 Erosion 267
3 Soil properties 273
4 Food, feed and fuel production 277
5 Biodiversity or wildlife habitat 279
6 Factors affecting the performance of grass hedges 280
7 Summary 283
8 Future trends 284
9 Where to look for further information 285
10 References 286
Chapter 14  Managing soil health in organic cultivation 289
1 Introduction 289
2 Measuring long-term soil health in organic cultivation 291
3 The use of animal amendments in soil nutrition 292
4 The use of cover crops in soil nutrition 295
5 The effect of rotations, cover crops and animal amendments on carbon and nitrogen levels in soil 298
6 The effect of cover crops on nitrogen levels in soil 300
7 The effect of animal amendments on nitrogen \nlevels in soil 302
8 Managing nutrient loss and retention: greenhouse\ngas emissions 304
9 Conclusions and future trends 309
10 Acknowledgements 310
11 Where to look for further information 310
12 References 311
Part 3  Regional strategies in the developing world 315
Chapter 15  Supporting smallholders in maintaining soil health: key challenges and strategies 317
1 Introduction 317
2 Definition of smallholder farmers 318
3 Key challenges for maintaining soil health within smallholder systems 326
4 Key levers to assist smallholders 331
5 Future trends and conclusion 335
6 Where to look for further information 335
7 References 336
Chapter 16  Maintaining soil health in Africa 341
1 Introduction 341
2 Consequences of land degradation 343
3 Soil quality, food security and soil health 347
4 Strategies for sustainability 350
5 Sustainable soil management systems 352
6 Maintaining soil health in practice 353
7 Impacts of soil health principles and practices in sub-Saharan Africa 356
8 Conclusion 358
9 Where to look for further information 359
10 References 359
Chapter 17  Organic amendments to improve soil health and crop productivity: a case study in China 365
1 Introduction 365
2 Long-term experiments in fertilization management 367
3 The impact of different fertilization techniques: soil health 368
4 The impact of different fertilization techniques: crop yield 372
5 Future trends and conclusion 374
6 Acknowledgements 375
7 References 375
Chapter 18  Soil health assessment and maintenance \nin Central and South-Central Brazil 379
1 Introduction 379
2 Agriculture in Brazil 380
3 New frontiers in Brazilian CA 385
4 Indicators for SH assessments in Brazil 392
5 Tillage effects on SH 393
6 SI effects on SH indicators 397
7 Sugarcane effects on SH 400
8 Future trends 404
9 Summary and conclusions 406
10 Where to look for further information 407
11 References 407
Chapter 19  Maintaining soil health in dryland areas 417
1 Introduction 417
2 Formation and properties of dryland soil 419
3 Soil health in the drylands 423
4 Dryland soil research priorities 424
5 Options and solutions for dryland soil health improvement 427
6 Case study 428
7 Future trends 430
8 Conclusion 431
9 Where to look for further information 432
10 References 433
Index 439