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Abstract                 Volume:8  Issue-12  Year-2020          Original Research Articles


Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
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Lime and Phosphorus Rates Response on Dry Matter Production and Partitioning of Hybrid Coffee (Coffea arabica L.) Seedlings Growth on Acidic Nitisol Soil
Ewnetu Teshale*
Ethiopian Institute of Agricultural Research, Jimma Agricultural Research Center, Jimma Ethiopia
*Corresponding author
Abstract:

Coffee (Coffea Arabica L.)is indigenous to the tropical rain forests of Ethiopia in the South and Southwest where there was persistent usage since ancient times. Coffee soils in the south-western parts of Ethiopia canbe attributed to excessive accumulations of aluminum, iron or manganese which leads to deficiencies of phosphorus other nutrients. This low soil pH and nutrient deficiencies encountered in the soils of the study area are expected to decrease the growth and dry matter of coffee seedlings. Liming is more effective in combination with phosphorus fertilization or that the secondary effect of liming is higher phosphorus fertilizer availability to the coffee seedlings. Nursery experiment was conducted at Jimma Agricultural Research Center, south west Ethiopia to evaluate the response of lime and phosphorus rates on coffee seedlings dry matter production and partitioning. The experiment was laid out in a randomized complete block design with 3 replications. The treatments were arranged in factorial combinations of five levels of lime (0, 5, 10, 15 and 20 g) and four levels of phosphorus (0, 400, 600 and 800 mg) 2.5 kg-1top soil. The statistical data was analyzed through SAS software and treatment means were compared at 5% probability using Duncan Multiple Range Test. The results revealed that the interactions of lime and P rates significantly increased dry matter production, partitioning and shoot to root ratio. The maximum dry matter production, partitioning and shoot to root ratio were recorded from the interaction of 10 g lime and 800 mgP rates 2.5 kg-1 top soil. Hence, combined application of 10 g lime and 800 mg P rate 2.5 kg-1top provides the optimum dry matter production, partitioning and shoot to root ratio for the growth of coffee seedlings under nursery conditions.

Keywords: Coffee seedlings, Dry matter, Phosphorus rate, Soil acidity
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How to cite this article:

Ewnetu Teshale. 2020. Lime and Phosphorus Rates Response on Dry Matter Production and Partitioning of Hybrid Coffee (Coffea arabica L.) Seedlings Growth on Acidic Nitisol Soil.Int.J.Curr.Res.Aca.Rev. 8(12): 109-116
doi: https://doi.org/10.20546/ijcrar.2020.812.010