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 Academic Research Journal of Agricultural Science and Research
 

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Academic Research Journal of Agricultural Science and Research 

Vol. 6(1), pp. 20-28. January, 2018.

ISSN: 2360-7874 

 DOI: 10.14662/ARJASRD2017.059

Full Length Research

Effects of Liming on Physicochemical Properties and Nutrient Availability of Acidic Soils in Welmera Woreda, Central Highlands of Ethiopia

 

1Kebede Dinkecha and 2Dereje Tsegaye

 

1Melkassa Agriculture Research Center, (EIAR) P.O. Box 436, Adama, Ethiopia

2Adama Science and Technology University, P.O.Box, 888, Adama, Ethiopia

 

Corresponding E-mail: 2013kebededinkecha@gmail.com

 

Accepted 22 September 2017

Abstract

 

Soil acidity is one of chemical soil degradation problems which affect productivity of the soil in Ethiopian highlands. The purpose of this research was to identify the status of soil acidity and determine the amount of lime requirement for neutralization to increase plant nutrient availability in Welmera woreda, Oromia region. More specifically the study pointed out statistically, the nutrient availability before and after liming acidic soil using paired t-test. The results indicated that the soil of study area was strongly acidic (pH < 5.3) and exchangeable acidity was from 2.860.01 - 3.550.07 cmol/Kg. The soil showed low concentration of plant nutrients (AP, TN, K,Ca,Mg) and high in micronutrients (Cu, Fe, Mn, Zn) contents. After 90 days liming in greenhouse incubation of the soils, the results showed effective neutralization of the soil, which indicated it was properly limed and the effects of soil acidity on nutrient availability was clearly observed. The concentration of all anions(AP,TN, and OC), cations (Na+, K+, Ca+2 and Mg+2) and micronutrients were found to be significantly different except TN and OC, between the soil samples for before and after liming. After limed acidic soils, anion and cations are improved their availability for plant while micronutrients are decreased from toxicity to normal condition.

Key Words:
Incubation, Liming, Lime Materials, Nutrient availability, Soil acidity, Soil pH

 

How to cite this article: Dinkecha K, Tsegaye D (2018 Effects of Liming on Physicochemical Properties and Nutrient Availability of Acidic Soils in Welmera Woreda, Central Highlands of Ethiopia. Acad. Res. J. Agri. Sci. Res. 6(1): 20-28

 

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Current Issue: January 2018

 

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