Improvement of the Homegarden Cropping System Around Kadugli-South Kordofan State, Sudan

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Emam, Fathelrhman Mohammed Mudawi
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The homegarden ('Jobraka') in Sudan has not been given the deserved attention in terms of research and extension support. The objective of this research, therefore, was to provide a package of appropriate good agricultural practices (GAP) to improve productivity and food quality, ultimately targeting achievement of sustainable livelihood and development of rural communities in the Nubba Mountains. The research was carried out in the villages (Vs) of Sama east and Sama west around Kadugli (V1, V2, V3, V4, V5, and V6) during June- November, 2010. The package of GAP comprised crop cultural practices; namely, land preparation, addition of NPK fertilizer, as well as introduction of improved varieties of okra, jew‟s mallow and orange-fleshed sweet potato. It represented with traditional crop cultural practices the two treatments of the research. Traditional practices were the actually adopted crop management in the 'Jobraka' system using the introduced crop varieties of an orange-fleshed sweet potato, a variety of okra “Khartoumia” and a variety of jew‟s mallow “Khartoumia”. The two treatments were arranged in a randomized complete block design with six replications. The results in the six villages showed that GAP significantly increased the number of leaves, root length and number of branches per okra plant compared with the traditional practices of the farmer. Also yield and yield components, the quality of fruits in terms of fruit length, fruit diameter and fruit weight were highly significantly increased. The results revealed that the number of leaves per plant, leaves‟ fresh weight and number of branches per plant and yield of tuberous root of sweet potato were significantly increased by GAP in comparison to traditional practices. The results also indicated that both vegetative growth and total yield (kg/m2) of jew‟s mallow were highly increased by GAP. The response of okra to GAP was highest in V5, followed by V1, V6, V2, V3, and V4 and the percent increase in yield was 98.8%, 85.7%, 83.7%, 69.0%, 71.5% and 63.5%, respectively. The response to GAP regarding total yield of tuberous root of sweet potato (kg/m2) was highest in V2 followed by V1, V4, V6, V3, and V5 and the percent increase was 83.5%, 56.6%, 43.0%, 38.0%, 23.0% and 17.0%, respectively. Results also showed that the percent increase in total yield (kg/m2) of Jew's mallow as a result of GAP was highest in V2 followed by V1, V6, V5, V4, and V3 and the percent increase was 93.0%, 90.0%, 86.6%, 60.0%, 46.0% and 43.0%, respectively. GAP, therefore had a significantly positive effect on the growth, yield and yield components of the three crops compared to traditional practices. Consequently, adoption of GAP is expected to improve the nutrition status and the livelihood of the local communities in Nuba Mountains
Improvement, Homegarden Cropping System, Kadugli, South Kordofan State, Sudan