Effect of Bush Burning on Infiltration Characteristics of Soils

Topics: Soil, Humus, Surface runoff Pages: 34 (10677 words) Published: April 27, 2013

EFFECT OF BUSH BURNING ON INFILTRATION CHARACTERISTICS AND CEMENTING SUBSTANCES OF SOIL AGGREGATES ON SOILS DERIVED FROM COASTAL PLAIN SANDS IN AKWA IBOM STATE

A RESEARCH PROJECT

BY

JOHN, ANYANIME ANIEDI
05/AG/SS/155

TO

DEPARTMENT OF SOIL SCIENCE
FACULTY OF AGRICULTURE
UNIVERSITY OF UYO, UYO

IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF B. AGRIC DEGREE (SOIL SCIENCE)

FEBRUARY, 2012

CERTIFICATION

This is to certify that this work was carried out by John, Anyanime Aniedi in the Department of soil Science, University of Uyo, Uyo.

Mr. I. D. Edem….……………..
Supervisor Date

Dr. Peter I. Ogban….……………..
Head of Department Date

Prof. E. S. Udoh ….……………..
Dean, Faculty of AgricDate

Pro. E. T. Eshett….……………..
External Examiner Date

DEDICATION

This project is dedicated to God Almighty, my parents, (Late, Elder Aniedi J. Udoh) and May His gentle soul rest in perfect peace, Amen, and Priest Ima-obong Aniedi John for their love, care and inspiration towards my academic pursuit.

ACKNOWLEDGEMENTS

May glory, honour and adoration be to God Almighty who supplied all my need and everything that this work needed, without this divine provision and support, this research project would not have been possible. I am sincerely grateful to my supervisor Mr. I. D. Edem for his invaluable contributions to the success of this research project. My thanks go to my head of Department Dr. P. I. Ogban and to my lecturers Dr. D. J. Udoh, Dr. B. T. Udoh, Dr. G. S. Effiong,Dr U. Udoinyang, Dr. J. Obi, Mr. P. E. Usuah and Mr. U. Akpan for their assistance and advice. My sincere gratitude also goes to Mr. U. A. Udoinyang, Department of Animal Science. My thanks goes to staff of the Department of Soil Science for their co-operation and assistance, particularly Mr. Ini Obot and Mr. A. D. Usoro who gave the needed assistance during the laboratory analysis. I gratefully acknowledge my Sister Unyime Aniedi, my uncles, Engr. Mfon Nkantah, Aunty Anietie Ninedays, Aunty Favour John, Engr. Imoh George, Uncle Mfon Benson, Evang. Cornelius and Aunty Nseobong Unanam and Barr. Eno-Obong Etuk.

My special thanks to Emmanuel Udo, Emem Asubop, Idariest Obott, Ima-obong Fabian, Itoro Ekpo, Juliet Abel, Ndifereke Awak, Eyakeno Luke, Ini-obong Edem, Utibe, Nkese Obot for their co-operation, and advices during my research project. Finally, I express my appreciation to all who may not have been mentioned above, but contributed directly or indirectly to the success of this research project, may God Almighty bless you all.

John, Anyanime Aniedi

ABSTRACT
This research was conducted to assess the effect of bush burning on infiltration characteristics of coastal plain sands in Akwa Ibom State, Nigeria. The study location was the University of Uyo Teaching and research farm, Use-Offot, Uyo. Three plot measuring 10m x 10m each was marked out, different level of treatment imposed on each of the plot. The treatment was replicated making it a total of nine sub-plot. Nine mini-profile pit were sited at representative position along the geomorphic surfaces and soil samples were collected at the preburnt plot and the post burnt plot and analysed. Infiltration was also conducted beside each of the replicated profile pit at the preburnt and post burnt plot. The infiltration run was conducted using the double ring infiltrometer. From the cumulative water intake, sorptivity and transmissivity were derived using kostiakov’s equation. The result revealed that the study area was loamy sand in texture. These soils were dominated by sand fractions with mean 832.97 gkg-1 at the surface and 816.00 gkg-1 at the subsurface. Organic matter before burning was 1.89 at the surface and 1.44% at the subsurface. After burning 20 kgDm/m2 has 2.01% (surface) and 0.67% (subsurface), 60 kgDm/m2 has 2.17% (surface) and 1.19% (subsurface), and 120 kgDm/m2 has 1.75% (surface) and 5.04%...
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