Effects of Travertine in Improving Selected Soil Properties and Yield of Irish Potato ( Solumun tuberosum L.) in Acidic Soils

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dc.contributor.authorAthanase, N.
dc.contributor.authorMugwe, J. N.
dc.contributor.authorRuganzu, V.
dc.contributor.authorRusanganwa, K.C.
dc.contributor.authorNyirinkwaya, B.
dc.date.accessioned2013-12-09T08:58:39Z
dc.date.available2013-12-09T08:58:39Z
dc.date.issued2013-03
dc.description.abstractThe production of Irish potato is threatened by widespread acidity and nutrients deficiency in many parts of Rwanda. The aim of this study was to determine effects of travertine in improving selected soil properties an d yield of potato in acidic so ils of Burera District. In September 2011 rainy season, three sources of travertine (Musanze, Rusizi and Karongi) were evaluated in an randomized complete block design (RCBD ) experiment. Soil properties baselin e and lime materials quality (CaCO 3 , fineness, effective CaCO 3 , pH and moisture) were first analyzed. Soil pH, exchangeable Al and available P were monitored at 6, 12 and 16 weeks after limes application (WAP). However, nitrogen and base saturation were analyzed at 16 WAP. The results showed that 2.8 t ha -1 of Musanze travertine and burned lime increased 0.62 and 0. 61 units of soil pH, respectively. Lime rate of 2.8 t ha -1 of burned lime, Musanze and Rusizi travertines increased 1.72, 1.71 and 1.65 mg kg -1 of available P, respectively. On the other hand, burned lime and Musanze travertine improved soil nitrogen up to 0.24% in th e soils. The significant increase of available P after travertin e application was possibly induced by their ef fects in raising soil pH and reducing excha ngeable Al. The slight increase of N was due to the increase of soil pH which favors soil microbial activities fo r organic matter deco mposition. The similar effects of burned and travertine were attributed to their similar origin (travertine ro cks). Therefore, this study recommends the use of travertine i n acidic soils of Rwanda.en_US
dc.identifier.citationJournal of Agricultural Science and Technology A 3 (2013) 175-182en_US
dc.identifier.issn1939-1250
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/7888
dc.language.isoenen_US
dc.publisherDavid Publishingen_US
dc.subjectCaCO 3en_US
dc.subjectEquivalenten_US
dc.subjectFineness factoren_US
dc.subjectAvailable phosphorousen_US
dc.subjectRelative agronomic efficiencyen_US
dc.subjectIrish potatoen_US
dc.titleEffects of Travertine in Improving Selected Soil Properties and Yield of Irish Potato ( Solumun tuberosum L.) in Acidic Soilsen_US
dc.typeArticleen_US
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