Effect of Tillage and Crop Residue on Soil Chemical Properties and Rice Yields on an Acid Ultisol at Abakaliki Southeastern Nigeria
Abstract
A study was conducted in 2008 and 2009 raining seasons, to evaluate the possibility of alleviating the degraded soil conditions at Abakaliki. The measures employed were combination(s) of different tillage methods [No-Tillage (NT), Hoe Tillage (HT), Ploughing (PL) and Ploughing and Harrowing (PH)] and crop residues [No Residue (NR), Rice Straw (RS), Burnt Rice Straw (BRS) and Legume Residue (LR)] treatments. Improved rice cultivars (ITA 257, Ex-China and ITA 315) were the test crops. The design of the experiment was a 4 x 4 x 3 factorial in a Randomized Complete Block Design replicated three times.. The results obtained showed that soil organic matter, pH, available P, exchangeable K, Ca, Mg and CEC significantly (p
Keywords
tillage and crop residue
soil chemical properties
rice yields
acid ultisol
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How to Cite
N., O. E., & Nnabude, P. A. (2012). Effect of Tillage and Crop Residue on Soil Chemical Properties and Rice Yields on an Acid Ultisol at Abakaliki Southeastern Nigeria. Nigerian Journal of Soil Science, 22(1), 75-87. https://doi.org/10.67042/njss.2012.4mgs2j9u
O. E. N., and P. A. Nnabude, "Effect of Tillage and Crop Residue on Soil Chemical Properties and Rice Yields on an Acid Ultisol at Abakaliki Southeastern Nigeria," Nigerian Journal of Soil Science, vol. 22, no. 1, pp. 75-87, April 2012. doi: 10.67042/njss.2012.4mgs2j9u
