Effect of Eucalyptus camaldulensis stand Conversion into Crop Production on Growth and Yield of Maize: the case of Koga Watershed Areas in northwestern Ethiopia
Keywords:
Clear-felled stands, Croplands, Crop performance, Farmers’ perception, EthiopiaAbstract
Farmers in the highlands of Ethiopia commonly plant eucalypts on their farmlands. However, growing eucalypt is becoming a great concern due to its alleged long-term site effect. In view of this, a study was conducted in Koga watershed, northwestern Ethiopia, to investigate whether croplands afforested with Eucalyptus camaldulensis can be reused for annual crop production after its removal. In this study, we compared growth and yield of maize between adjacent clear-felled E. camaldulensis stands and continuously cultivated farms at three paired sites. Plant height, leaf area, dry matter production and grain weight were evaluated as parameters for maize growth and yield. Maize plants grown on clear-felled eucalypt stands were taller and developed larger leaf areas than those grown on continuously cultivated farms. Dry matter production and grain yield were also significantly higher in maize plants established on clear-felled eucalypt stands. Farmers also responded that the growth and yield of maize grown on the clear-felled eucalypt stands were better than those grown on continuously cultivated farms. The results suggest that contrary to the popular belief, agricultural lands afforested with eucalypts can be re-used for annual crop production.