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Phosphorus fixation, which is responsible for low availability of P, is one of the major problems of crop growth in acidic soils such as Nitisols. It is one of the most chronic problems for crop yield decline in Wujiraba watershed. Therefore, an incubation study was conducted for two months to investigate the effects of compost and S fertilizers on P desorption in strongly acid soils (pH/KCl 4.53) and low P content (Bray II P 4.8 mg kg -1 ). After air drying, grinding and passing through 2 mm sieve, 200 g of soil was placed to each pot. The experimental treatments included three rates of compost (0, 5 and 10 t compost ha -1 ) and S (0, 15 and 30 kg S ha -1 ) fertilizers were laid down in CRD with three replications. At the end of the incubation period, the analyzed data result revealed highly significant (P ≤ 0.001) difference in available P by interaction effects of compost and S fertilizers whereby the highest (22.8 mg kg -1 ) was recorded in pots treated with high dose of compost (10 kg compost ha -1 ) and nil S fertilizer rates which increased by 301% relative to the control.
Habtamu Admas. 2015. \u201cEffects of Compost and Mineral Sulfur Fertilizers on Phosphorus Desorption at Wujiraba Watershed, Northwestern Highlands of Ethiopia\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 14 (GJSFR Volume 14 Issue D10).
Crossref Journal DOI 10.17406/GJSFR
Print ISSN 0975-5896
e-ISSN 2249-4626
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Total Score: 74
Country: Ethiopia
Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary
Authors: Habtamu Admas, Heluf Gebrekidan, Bobie Bedadi, Enyew Adgo (PhD/Dr. count: 0)
View Count (all-time): 158
Total Views (Real + Logic): 4362
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Publish Date: 2015 01, Wed
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This study aims to comprehensively analyse the complex interplay between
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