A Linear Model for Predicting Enset Plant Yield and Assessment of Kocho Production in Ethiopia
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By Dr. Robert Shank and Chernet Ertiro
Prepared for
World Food Programme Ministry of Agriculture Southern Nations, Nationalities, Peoples' Regional State UNDP Emergencies Unit for Ethiopia May, 1996 Addis Ababa, Ethiopia
Table of Contents
SUMMARY OF BACKGROUND INFORMATION Definition of Terms
The Need for Assessing Enset Production
 | Enset production data of the past
 | Attempts to measure Enset yields
 | Production assessment methods and survey techniques |
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The Enset Cropping Areas
 | Cropping systems
 | Nutritional comparisons
 | Production reliability and improvements needed |
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METHODOLOGY OF THE ENSET PLANT YIELD REGRESSION STUDY
RESULTS AND DISCUSSION OF THE PLANT YIELD REGRESSION STUDY
 | Plant sampling
 | Development of the regression equation |
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Factors that could bias the regression relationship
 | Processing status of the samples measured
 | Plant architecture
 | Seasonal moisture content
 | Processing methodology
 | Plant maturity
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METHODOLOGY OF ASSESSMENT OF HOUSEHOLD AND NATIONAL KOCHO PRODUCTION
RESULTS AND DISCUSSION OF HOUSEHOLD AND NATIONAL KOCHO PRODUCTION
 | Number and measurement of plants harvested
 | Production per plant, per household and per hectare
 | National production and hectarage in Ethiopia
 | Comparison to previous assessment data
 | Effect of age structure and early harvesting on assessment |
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Factors influencing Enset production and hectarage in Ethiopia
 | Enset food utilization and household food security
 | Household financial security in relation to Enset cropping
 | De-villagization, land tenure and land resource allocation
 | Free market systems and commercial production
 | Diseases and pests of Enset |
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Future Developments in Enset utilization
 | Overpopulation, rural poverty and cereal price parity
 | Spread of Enset growing to Eastern and Northern areas
 | Urban poverty, food prices and cultural traditions
 | Use in mixed flours for injera and other products
 | Soil fertility, land degradation and fertilizer costs
 | Land shortage and livestock forage needs
 | Intercropping with legumes and cereals
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List of Tables
Table 1. Crop assessment and food aid needs for Ethiopia for 1993 and 1994. Table 2. Annual national food production in Ethiopia for the years 1987-1993. Table 3. Hectarage and production of Enset products in the
Southern Ethhiopia Peoples Administrative Region in 1994. Table 4. Kocho yield statistics for individually measured plants by age and region. Table 5. Effect of transplanting on Enset growth and Kocho yield. Table
6. Enset cropping data from sample farms of the Southern Ethiopia Peoples Administrative Region in march, 1995. Table 7. Nutritive value of some common foods consumed in the Enset growing areas. Table 8.
Distribution of Kocho plant samples by weight categories. Table 9. Enset plants measurement and derived Kocho weight data used in formulating the regression model. Table 10. The correlation matrix for plant Kocho
yield with plant size characters over the 60 sample cases. Table 11. Estimation of plant Kocho yields using a range of plant measurements substituted into the regression equation. Table 12. Plants harvested and plant
measurements and plantation hectarage for 100 households sampled by wereda, zone and region. Table 13. Enset production per plant, per household and per wereda from the survey data. Table 14. Reported Enset
hectarage, production and production/ hectare as compared to assessment study data.
List of Figures
Figure 1. Parts of the Enset plant. Figure 2. Geographic map of the Enset growing area. Figure 3. Wereda map of the Enset growing area. Figure 4. Agroecological map of the Enset growing
area.
List of Graphs
Graph 1. Graph of predicted Kocho production for various plant measurements using the regression equation. Diagram of the Enset Plants Continue
to Section 1 |Section2
|Section 3 |Section
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