Applied Ecology and Environmental Sciences
ISSN (Print): 2328-3912 ISSN (Online): 2328-3920 Website: Editor-in-chief: Alejandro González Medina
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Applied Ecology and Environmental Sciences. 2018, 6(1), 6-14
DOI: 10.12691/aees-6-1-2
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Effects of Soil Supplementation with Organic Fertilization from Earthworm Casts and Inorganic Fertilization from NPK on Growth, Development and Yield of Pepper (Capsicum annuum L.) Plants

Ogundare A. O.1, Liasu M.O.1 and Ogundola A.F1,

1Ladoke Akintola University of Technology P.M.B., 4000, Ogbomoso

Pub. Date: January 15, 2018

Cite this paper:
Ogundare A. O., Liasu M.O. and Ogundola A.F. Effects of Soil Supplementation with Organic Fertilization from Earthworm Casts and Inorganic Fertilization from NPK on Growth, Development and Yield of Pepper (Capsicum annuum L.) Plants. Applied Ecology and Environmental Sciences. 2018; 6(1):6-14. doi: 10.12691/aees-6-1-2


The use of organic source nutrients for quality and quantity development in crop production is gaining global attention. Pot experiments were conducted to investigate the efficacy of soil supplementation with nutrient from enriched earthworm casts, produced under Gliricidia seedlings, inoculated with arbuscular mycorrhizae and directly applied inorganic fertilizer (NPK) on the yield of pepper (Capsicum annuum L.). Bio-fortified earthworm casts produced by earthworms (Hyperiodrilus africanus) fed with leaf mulch of a leguminous plant were applied to pepper. Ten treatments were replicated ten times in Complete Randomized Design. Six weeks old pepper seedlings were transplanted into each pot. Casts from different sources were added to pepper accordingly. Inorganic fertilizer was applied to the ninth treatment while the tenth treatment served as control. Statistical analytical results showed that soil supplementation with earthworm casts promoted vegetative growth and reproductive growth. Casts produced under inoculated Gliricidia and mulched soils (G+M+Mu+) showed a significant difference (p < 0.05) from other treatments and offered a rich potential for organic fertilization. Soil supplementation with earthworm casts produced from mulched, AMF inoculated Gliricidia soils supported higher pepper fruits and leaf biomass yield. Thus, nutrient supply by bio-fortified earthworm casts (serving as composite tablets).

soil supplementation earthworm casts inorganic fertilization and pepper (Capsicum annuum L.)

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