Differential Response of Three Carrot Genotypes to Different Levels of Organic and Inorganic Manure Applications in Derived Guinea Savanna Zone
Abolusoro S.A1, S.A. Ige1, C. Aremu1, O.bello2 andA.A. Gbadamosi3
1Departmentof Crop and Soil Science, Landmark University, Omu-Aran, Kwara State, Nigeria
2 Department of Biological Science, Fountain University, Osogbo, Osun state, Nigeria
3 Teaching and Research Farm, Landmark University, Omu-Aran, Kwara State, Nigeria
Email: ige.sunday@lmu.edu.ng
ABSTRACT
Performance of Carrots varies with levels of fertilizer application. As a root crop, maintaining high root yield requires knowledge of the optimal fertilizer requirement especially when production soil type is characterized by gravels indicating low moisture retention ability. Minimizing the loading of galvanized soil with inorganic manure is crucial in enhancing soil moisture retention and growing healthy food crops with minimal chemical residue. This study was conducted at Landmark University during the period of 2015 and 2016 planting seasons to assess the differential response of three Carrot genotypes to different levels of Organic and Inorganic fertilizer application in Southern Savanna Zone. The experiments were conducted using a Randomized Complete Block Design with three replications. Data collected on leave number, fresh leave weight, plant height and fresh root weight were subjected to analysis of Variance. Different between means were partitioned using Duncan Multiple Range test at 5% probability level (p = 0.05). The study revealed that at application of 1t/ha of organic manure, the three carrot genotypes responded differently and significantly for fresh root yield. At all levels of both Organic and Inorganic manure applications, the three Carrot genotypes responded differentially for root yield either significant or non-significant at different levels of applicationmanure. This study identified that growing ALBAKA NOMA and ROHAMA NOMA carrot genotypes under the organic manure regime recorded highest root yields of 40.87t/ha, 41.48t/ha and 41.58t/ha respectively. These identified genotypes can be grown as organic carrots for health benefits in guinea savanna ecology.
Keywords: Carrot, genotypes, organic and inorganic manure, gravanized soil, levels of manure, response.
