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Life Sciences

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Published yearly: 

4 Issues

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ISSN: 2320-964X (Online) 

ISSN: 2320-7817  (Print)

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Dr. Santosh Pawar 


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ORIGINAL ARTICLE

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Int. Journal of Life Sciences, 2017; 5(1):21- 34  |    Available online, 31 March, 2017

Productivity, Nutrient removal, Soil nutrient dynamics and Economics of Tef (Eragrostis tef (zucc.)Trotter) Production in Relation to Genotypes and Integrated Nutrient Management on Vertisols of Mid high lands of Oromia region of Ethiopia, East Africa

 


Yonas Mebratu; Cherukuri V Raghavaiah *and Habtamu Ashagre.

  

Department of plant science, College of Agriculture and Veterinary Sciences, Ambo University, Ambo, Post Box No.19, West Shoa Zone ,Ethiopia.

*Corresponding author: Cherukuri V Raghavaiah


Received: 08.12.2016 | Accepted: 21.02.2017 | Published : 31.03.2017

Tef, a highly valued nutritious cereal crop, plays an important role in the diet of Ethiopians.  Field experiment was carried out during 2014/15 cropping season on a field belonging to Hommicho Ammunition Engineering Industry with the objective to evaluate the response of Tef genotypes to integrated nutrient management in terms of productivity  in Guder, Toke kuttai district. The treatments consisted of six levels of integrated nutrient management practices:1) 0 -0 -0 (check) 2) 40 -60 -0 NPK (RDF) 3) 50%RDF + 50% N (FYM) 4)75%RDF + 25% N (FYM) 5) 100% RDF + 5t FYM/ha and 6)RDF through new complex fertilizer (19 -38 – 7 NPS) tested on  five genotypes (Magna, Simoda ,Quncho , Dz –Cr -409, Local variety). The experiment was laid out in a randomized complete block design with factorial arrangement with three replications. The results revealed that there was distinct variation between varieties and integrated nutrient management practices in grain and straw yield, where DZ-01-196 recorded maximum grain and straw yield with application of 100% RDF + 5t/ha FYM which was comparable with 75%RDF + 25% FYM. Therefore application of 50% RDF + 50%FYM, 75%RDF + 25%FYM and 100%RDF + 5tha-1 to DZ-01-196, DZ-CR-409 and Local varieties of Tef , respectively exhibited best production performance on Vertisols of mid high lands of Ethiopia. The nutrient content of grain was found to be greater than that of straw. Application of 100%RDF +5t/ha-1 FYM and 75%RDF +25%FYM analysed higher content of NPK both in grain and straw than other treatments, ultimately resulting in greater nutrient removal than with inorganic fertilizer alone  and no fertilizer check . The- post harvest available NPK content of soil in comparison with initial status was found to be higher with INM than no fertilizer and inorganic fertilizer treatments. Economic analysis showed that higher MRR, Benefit: cost ratio and return /Birr investment were accrued with 100%RDF+5t/ha FYM and 75%RDF+25%FYM when compared with inorganic fertilizer and no fertilizer check.

 

Key words: Tef, genotypes, nutrient management, Vertisols, mid high lands, productivity, Nutrient removal, soil nutrient balance , economics

 

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Editor: Dr. Arvind Chavhan

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Cite this article as:

Yonas Mebratu; Cherukuri V Raghavaiah and Habtamu Ashagre  (2017) Productivity, Nutrient removal, Soil nutrient dynamics and Economics of Tef (Eragrostis tef (zucc.)Trotter) Production in Relation to Genotypes and Integrated Nutrient Management on Vertisols of Mid high lands of Oromia region of Ethiopia, East Africa, International J. of Life Sciences, 5  (1): 21-34.

 

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Acknowledgement:

The completion of this study would have not been realized without the help of others and I would like to take this opportunity to thank everyone who helped me with this study. First I would like to express my thanks and appreciation to Mulatu wakgari (PhD), Mr. Muluken Goftishu, Mashila Dejjene (PhD),Tesfay Belay (PhD) and Firdu Azerefegn(PhD)  for their critical review of the paper. It has helped me to improve the quality of the report and compilation of my work. The research work reported in this paper in collaboration with my home institution Tigray Agricultural research Institute, Mekelle Agricultural research Center. I am very grateful to, Tigray Agricultural Research Institute for the financial support and Haramaya University for free laboratory material support.

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Conflicts of interest: The authors stated that no conflicts of interest.

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Copyright: © 2017 | Author(s), This is an open access article under the terms of the Creative Commons Attribution-Non-Commercial - No Derivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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