Productivity of sweet corn (Zea mays L. saccharata) as affected by manure types in the West Coast region of the Gambia
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Abstract
Sustainable agricultural production using organic fertilization is important for increased productivity and soil health improvement in the Gambia. This is also necessary with a view of combatting the increased acidification of the Gambian soils. In view of this, the research was conceived and conducted during 2017 rainy season in two locations (National Agricultural Research Institute Farm, Site 3 Banjulinding and Jambanjelli mix Farming Centre, West Coast Region of the Gambia) to determine the productivity of sweet corn using sole organic fertilization. Treatments consisted of factorial combinations of two sweet corn varieties (Golden cob and Falit) and five organic manure types (cow dung, goat litter, municipal solid waste, poultry manure and sheep litter) and the control. These were laid in a randomized complete block design with three replications. Results showed that most of the growth and yield parameters in the study were not significantly affected by variety and manure types in both locations. Fresh cob yield was however significantly influenced by manure types in both locations with goat litter recording the highest effect. Results of the study however implied that the manure rates applied were not adequate for desired productivity of sweet corn in the west coast of the Gambia. Further research is suggested with increased manure rates for sustained sweet corn productivity in the study areas.
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