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CABI Book Chapter

Below-ground interactions in tropical agroecosystems: concepts and models with multiple plant components.

Book cover for Below-ground interactions in tropical agroecosystems: concepts and models with multiple plant components.

Description

This book provides a synthesis of plant-soil-plant interactions from the plot to landscape scale. It focuses on the process level, which is relevant to many types of multispecies agroecosystems (agroforestry, intercropping and others). It also links basic research to practical application (and indigenous knowledge) in a wide range of systems with or without trees, and considers implications of bel...

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Chapter 16 (Page no: 285)

Soil biodiversity and food webs.

This paper discusses the effects of land use practices and land use change on soil biota (fungi, bacteria, protists and representatives of the majority of terrestrial invertebrate phyla) and the consequences this may have for internal regulation of below-ground biodiversity by representatives within below-ground communities and for key functions in the agroecosystem. An overview of the broad groups of organisms (viz., epigeic, anecic and endogeic species) and examples of groups of soil biota, their habitats and food preferences are provided. Maintenance and restoration of soil structure, modification of pest and disease pressures and securing decomposition and nutrient cycles are some of the important ecological functions of soil biota. The food web theory and models and their effects on the structure, functioning and stability of the below-ground part of ecosystems are discussed. Case studies are presented showing the decline in species richness of earthworms as a result of land management in Indonesia and the Philippines, the changing roles of ants in agroecosystems in Lampung Province (Indonesia), and soil fertility restoration in tea plantations using earthworms and organic fertilizers from Tamil Nadu, India.

Other chapters from this book

Chapter: 1 (Page no: 1) Ecological interactions in multispecies agroecosystems: concepts and rules. Author(s): Ong, C. K. Kho, R. M. Radersma, S.
Chapter: 2 (Page no: 17) Locally derived knowledge of soil fertility and its emerging role in integrated natural resource management. Author(s): Joshi, L. Shrestha, P. K. Moss, C. Sinclair, F. L.
Chapter: 3 (Page no: 41) Models of below-ground interactions: their validity, applicability and beneficiaries. Author(s): Matthews, R. Noordwijk, M. van Gijsman, A. J. Cadisch, G.
Chapter: 4 (Page no: 61) Tree root architecture. Author(s): Akinnifesi, F. K. Rowe, E. C. Livesley, S. J. Kwesiga, F. R. Vanlauwe, B. Alegre, J. C.
Chapter: 5 (Page no: 83) Crop and tree root-system dynamics. Author(s): Noordwijk, M. van Rahayu, S. Williams, S. E. Hairiah, K. Khasanah, N. Schroth, G.
Chapter: 6 (Page no: 109) Opportunities for capture of deep soil nutrients. Author(s): Buresh, R. J. Rowe, E. C. Livesley, S. J. Cadisch, G. Mafongoya, P.
Chapter: 7 (Page no: 127) Phosphorus dynamics and mobilization by plants. Author(s): Grierson, P. F. Smithson, P. Nziguheba, G. Radersma, S. Comerford, N. B.
Chapter: 8 (Page no: 143) Managing soil acidity and aluminium toxicity in tree-based agroecosystems. Author(s): Wong, M. T. F. Hairiah, K. Alegre, J.
Chapter: 9 (Page no: 157) Uptake, partitioning and redistribution of water by roots in mixed-species agroecosystems. Author(s): Smith, M. Burgess, S. S. O. Suprayogo, D. Lusiana, B. Widianto
Chapter: 10 (Page no: 171) Catching and competing for mobile nutrients in soils. Author(s): Cadisch, G. Willigen, P. de Suprayogo, D. Mobbs, D. C. Noordwijk, M. van Rowe, E. C.
Chapter: 11 (Page no: 193) Below-ground inputs: relationships with soil quality, soil C storage and soil structure. Author(s): Albrecht, A. Cadisch, G. Blanchart, E. Sitompul, S. M. Vanlauwe, B.
Chapter: 12 (Page no: 209) Soil-atmosphere gas exchange in tropical agriculture: contributions to climate change. Author(s): Verchot, L. V. Mosier, A. Baggs, E. M. Palm, C.
Chapter: 13 (Page no: 227) Benefiting from N2-fixation and managing rhizobia. Author(s): Mafongoya, P. L. Giller, K. E. Odee, D. Gathumbi, S. Ndufa, S. K. Sitompul, S. M.
Chapter: 14 (Page no: 243) Managing mycorrhiza in tropical multispecies agroecosystems. Author(s): Kuyper, T. W. Cardoso, I. M. Onguene, N. A. Murniati Noordwijk, M. van
Chapter: 15 (Page no: 263) Nematodes and other soilborne pathogens in agroforestry. Author(s): Desaeger, J. Rao, M. R. Bridge, J.
Chapter: 17 (Page no: 309) Managing below-ground interactions in agroecosystems. Author(s): Rao, M. R. Schroth, G. Williams, S. E. Namirembe, S. Schaller, M. Wilson, J.
Chapter: 18 (Page no: 329) Managing movements of water, solutes and soil: from plot to landscape scale. Author(s): Ranieri, S. B. L. Stirzaker, R. Suprayogo, D. Purwanto, E. Willigen, P. de Noordwijk, M. van
Chapter: 19 (Page no: 349) Soil and water movement: combining local ecological knowledge with that of modellers when scaling up from plot to landscape level. Author(s): Joshi, L. Schalenbourg, W. Johansson, L. Khasanah, N. Stefanus, E. Fagerström, M. H. Noordwijk, M. van
Chapter: 20 (Page no: 365) Challenges for the next decade of research on below-ground interactions in tropical agroecosystems: client-driven solutions at landscape scale. Author(s): Noordwijk, M. van Cadisch, G. Ong, C. K.