Farmers' initiatives in land husbandry: promising ... - Prolinnova

Table of Contents
Abbreviations and Acronyms .............................................................................. vii
Foreword ......................................................................................................... viii
Preface .............................................................................................................. x
Acknowledgements ............................................................................................ xi
Chapter 1: Introduction ....................................................................................... 1
Chapter 2: Background to PFI and WOCAT ............................................................ 3
2.1 Introduction .................................................................................................................... 3
2.2 Promoting Farmer Innovation (PFI) .................................................................................... 3
2.2.1 The project ........................................................................................................ 3
2.2.2 Farmer Innovation in context ............................................................................... 4
2.2.3 Rationale for harnessing innovation ...................................................................... 4
2.2.4 Limitations and threats ....................................................................................... 5
2.2.5 Methodology ...................................................................................................... 5
2.2.6 Experience from PFI ........................................................................................... 5
2.2.7 Outstanding Issues ............................................................................................. 6
2.3 World Overview of Conservation Approaches and Technologies – WOCAT .............................. 7
2.3.1 Introduction ....................................................................................................... 7
2.3.2 Efficient management of existing knowledge ......................................................... 7
2.3.3 Making local experience available at the global level ............................................. 7
2.3.4 Collecting and documenting SWC knowledge ........................................................ 8
2.3.5 Using WOCAT outputs at the field level ................................................................ 8
2.3.6 Using WOCAT outputs at the planning level .......................................................... 9
2.3.7 A global network with decentralised organization ................................................ 10
2.3.8 More WOCAT initiatives are welcome ................................................................. 10
Chapter 3: Experience in East Africa: PFI and WOCAT .......................................... 11
3.1 PFI .............................................................................................................................. 11
3.2 WOCAT ........................................................................................................................ 14
Chapter 4: Initiatives in Land Husbandry: The Case Studies................................... 16
4.1 Introduction .................................................................................................................. 16
4.2 Kenya .......................................................................................................................... 17
4.2.1 Road runoff harvesting ....................................................................................... 19
4.2.2 Riverbed reclamation and silt trapping for sugar cane ........................................... 23
4.2.3 Gully rehabilitation ............................................................................................ 27
4.2.4 Grazing land improvement through selective removal of Commiphora africana trees 31
4.2.5 Sugar cane planting pits ..................................................................................... 35
4.2.6 Gully harnessing ................................................................................................ 39
4.3 Tanzania ...................................................................................................................... 43
4.3.1 Chololo planting pits .......................................................................................... 45
4.3.2 Earthing-up Groundnuts ..................................................................................... 49
4.3.3 In-situ compost cultivation or ‘pattern farming’ (kilimo cha mfumo) ........................ 53
4.3.4 Natural forest establishment ............................................................................... 57
4.3.5 Mapambano compost making .............................................................................. 61
4.3.6 Vegetative gully healing ...................................................................................... 65
4.4 Uganda ........................................................................................................................ 69
4.4.1 Water-borne manuring system ............................................................................ 71
4.4.2 Improved trash lines: ‘mobile compost strips’ ....................................................... 75
4.4.3 Integrated runoff water management ................................................................... 79
4.4.4 Mulching of perennial crops .............................................................................. 83
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