International Journal of Advance Agricultural Research
ISSN: 2053-1265
Vol. 3(7), pp. 73-82, November 2015



Effects of tillage and Terminalia catappa L. leaf compost on soil properties and performance of Capsicum chinense Jacq.

Suleiman A. A.1*, Aiyelari E. A.2 and Otene I. J. J.3

1Faculty of Agriculture, Nnamdi Azikiwe University Awka, Nigeria.
2Department of Agronomy, Faculty of Agriculture and Forestry, University of Ibadan, Nigeria.
3Institute of Agriculture and Environment, Massey University, New Zealand.

*To whom correspondence should be addressed. E-mail: attahsly@gmail.com.

Received 20 September, 2015; Received in revised form 14 October, 2015; Accepted 19 October, 2015.

Abstract


Keywords:
Almond leaves, Pepper, Manure, Ridge and flat, Yield.


The study was conducted to assess the residual effects of Almond leaves and tillage on soil properties, growth and yield of pepper. In the 2011, treatments comprised of tillage systems [flat (F) and ridge (R)] and application of NPK mineral fertilizer (NPK*F and NPK*R ) at 0.25 t ha-1, Almond leaves + swine manure (AS*F and AS*R) at 13 t ha-1, Almond leaves + poultry manure (AP*F and AP*R) at 14.5 t ha-1, Almond leaves + cattle manure (AC*F and AC*R) at 14.3 t ha-1 and control plots with no fertilizer or compost application (F and R). Plot size was 4.0 m × 3.0 m (12 m2) and plant spacing of 60 cm in a randomized complete block design with four replications. Plots treated with Almond leaves composted with poultry manure under ridge tillage system significantly improved soil physical and chemical properties, plant growth and yield with saturated hydraulic conductivity (22.01 cm hr-1), total porosity (51.13%), more stable soil aggregates (1.32 g mm-1), decrease in bulk density (1.26 g cm-3), highest values of soil organic carbon (20.0 g kg-1), N (2.7 g kg-1), P (20.56 mg kg-1), K (0.28 cmol kg-1) and soil pH (6.9). At 12 weeks after transplanting, the same plots produced tallest plants of average height 20.6 cm, highest number of leaves and yield (488 and 7.2 kg/plot, respectively). Microbiological and physico-chemical analysis of Almond leaves composted with poultry, swine and cattle manures before application to the soil is suggested for further studies.

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