Induced Innovation and Productivity-Enhancing, Resource-Conserving Technologies in Central America : The Supply of Soil Conservation Practices and Small-Scale Farmers' Adoption in Guatemala and el Salvador

, by ZUREK, MONIKA BARBARA

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ISBN: 9783631519707 | 3631519702
Cover: Paperback
Copyright: 11/1/2004

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Supplemental Materials

List of abbreviations

(2)

Acknowledgements

(4)

1 Introduction

(4)

1.1 Focus and objectives of the study

(1)

1.2 Thesis outline

(2)

2 Soil erosion in Central America – Main Causes and Promoted Solutions

(32)

2.1 Soil degradation and soil erosion

(8)

2.1.1 Soil degradation and soil erosion worldwide

(2)

2.1.2 Factors influencing soil erosion

(2)

2.1.3 Effects of soil erosion

(4)

2.2 Soil erosion in Central America

(24)

2.2.1 Evidence for the soil erosion problem in Central America

(3)

2.2.2 Factors influencing the soil erosion problem in Central America

(12)

2.2.2.1 Agro-ecological characteristics of Central America

(3)

2.2.2.2 Development of land use patterns in Central America and their importance for the soil erosion problem

(9)

2.2.3 Towards a classification of soil conservation practices promoted in Central America

(8)

3 Environmental Innovations and Technical Change

(30)

3.1 Differences between Environmental and Commercial Innovations

(6)

3.2 "Induced Innovation Theory of Technical and Institutional Change" and Environmental Innovations

(21)

3.2.1 The inducement mechanism for technical change in the "Induced Innovation Theory"

(5)

3.2.2 Environmental innovations and the inducement mechanism described in the "Induced Innovation Theory"

(7)

3.2.3 Technology development according to the "Induced Innovation Theory"

(2)

3.2.4 Interactions between technology users and suppliers with respect to Environmental Innovations

(4)

3.2.5 Induced institutional change and Environmental Innovations

(1)

3.3 Summary

(3)

4 The Adoption of Productivity-Enhancing, Resource-Conserving Technologies in Central America: The Case of the Legume Mucuna (Mucuna spec.) in the Polochic Valley, Guatemala

(64)

4.1 Introduction

(1)

4.2 Methodological issues

(1)

4.3 Description of the study area

(9)

4.3.1 Agro-ecological conditions

(3)

4.3.2 Socio-economic conditions

(1)

4.3.3 The general farming system in the Polochic Valley

(2)

4.3.4 The erosion problem in the Polochic Valley

(2)

4.4 The Maize and the Maize-Mucuna System in the Polochic Valley

(18)

4.4.1 The maize cropping system

(1)

4.4.2 The Maize-Mucuna system

(14)

4.4.2.1 Description and history of Mucuna

(3)

4.4.2.2 Benefits and disadvantages of Mucuna use

100

(2)

4.4.2.3 The Maize-Mucuna system in the Polochic Valley

102

(8)

4.5 Modeling farmers' decision to use Mucuna

110

(31)

4.5.1 The Logit model

111

(7)

4.5.2 The Structural Equation Model with latent variables

118

(30)

4.5.2.1 Theoretical Background

120

(7)

4.5.2.2 Hypotheses

127

(4)

4.5.2.3 Results

131

(10)

4.6 Lessons learned

141

(4)

5 Offering Soil Conservation Technologies to Farmers and Farmers' Response: The Origin and Use of Soil Conservation Techniques in the County of Nueva Concepción, El Salvador

145

(42)

5.1 Introduction

145

(2)

5.2 Methodological Issues

147

(1)

5.3 Description of the study area

148

(3)

5.3.1 General description

148

(3)

5.3.2 The farming system

151

(1)

5.4 Description of the organizations promoting soil conservation practices in Nueva Concepción

151

(22)

5.4.1 General description of the investigated organizations

152

(6)

5.4.2 The selection process of soil conservation practices to be promoted

158

(10)

5.4.3 The promotion of soil conservation techniques

168

(5)

5.5 Farmers' response to the offer of soil conservation techniques

173

(9)

5.6 Lessons learned

182

(5)

6 Summary and Conclusions

187

(10)

References

197

(10)

Annex

Annex 1: Questionnaire about the adoption of soil conservation technology and the maize production system in the Polochic Valley, Dept. of Alta Verapaz, Guatemala

207

(22)

Annex 2: Encuesta: Origen y Desarrollo de las Técnicas de Conservación de Suelo en Nueva Concepción, El Salvador — Organizaciones

229

(9)

Annex 3: Encusta: Origen y Desarrollo de las Técnicas de Conservación de Suelo en Nueva Concepción, El Salvador — Agricultores

238

(9)

List of Figures

247

(3)

List of Tables

250

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Induced Innovation and Productivity-Enhancing, Resource-Conserving Technologies in Central America : The Supply of Soil Conservation Practices and Small-Scale Farmers' Adoption in Guatemala and el Salvador

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Induced Innovation and Productivity-Enhancing, Resource-Conserving Technologies in Central America : The Supply of Soil Conservation Practices and Small-Scale Farmers' Adoption in Guatemala and el Salvador

Table of Contents

Supplemental Materials

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