EFFECT OF COMPOSTED MUNICIPAL SOLID WASTE AND NPK FERTILIZER ON THE GROWTH AND YIELD OF MAIZE (Zea mays L) IN NSUKKA
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EFFECT OF COMPOSTED MUNICIPAL SOLID
WASTE AND NPK FERTILIZER ON THE GROWTH AND YIELD OF MAIZE (Zea mays L) IN
NSUKKA
ABSTRACT
Municipalities
are facing a growing problem of how to safely dispose off their wastes.
Municipal
solid waste
(MSW) is waste from households, commercial centres, institutions (school,
offices).
Composting
is used to reduce huge pile of biodegradable MSW and convert it into value
added
product like
manure and biogas. Inorganic fertilizer such as NPK also exerts strong
influence on
plant
growth, development and yield. Two year experiments were conducted in the
Teaching and
Research
Farm of Department of Crop Science, Faculty of Agriculture, University of
Nigeria,
Nsukka to
determine the response of maize to MSW compost and NPK fertilizer application.
A 4 x 4
factorial
experiment in Randomized Complete Block Design (RCBD) with three replications
was
used for the
study.
The two
factors were MSW (0, 1.0, 1.5 and 2.0 t/ha) and NPK (20:10:10) (0, 100,
200 and 300
kg/ha). The following data were collected: leaf area, Plant height, stem girth,
number of
leaves, days
to first tasseling, plant fresh weight, plant dry weight, ear weight, ear
height, ear
circumference,
cob weight, 100 grain weight, grain yield and harvest index. Data collected
were
subjected to
analysis of variance (ANOVA). The means were separated using Fisher’s least
significant
difference (F-LSD). Plant height, leaf area, number of leaves and stem girth
increased
with
increase in NPK and MSW rates while days to tasselling and silking was reduced.
The 100
grain
weight, grain yield per hectare and harvest index were significantly increased
with increase in
MSW and NPK
rates. Proximate composition followed the same trend apart from carbohydrate
content
which decreased with increase in application rates of MSW and NPK. Application
of either
2000 kg/ha
MSW or 300 kg/ha NPK gave the highest yield of maize in 2011 and 2012.
Complementary
application of MSW and NPK was significantly higher than sole application.
Combination
of 2.0 t/ha MSW with 300 kg/ha NPK had significantly higher effect than other
treatment
combination in both years and were found satisfactory for achieving high yields
in maize.
It is
recommended that further research should be carried out to determine the
optimum rates
required for
maize production since performance increased up to the highest rates of MSW and
NPK
fertilizer
TABLE OF CONTENT:
CHAPTER ONE
INTRODUCTION
1.1 Background of the Study
1.2 Statement of the Research Problem
1.3 Objectives of the Study
1.4 Significance of the Study
1.5 Research Questions
1.6 Research Hypothesis
1.7 Conceptual and Operational Definition
1.8 Assumptions
1.9 Limitations of the Study
CHAPTER TWO
LITERATURE
REVIEW
2.1 Sources of Literature
2.2 The Review
2.3 Summary of Literature Review
CHAPTER
THREE
RESEARCH
METHODOLOGY
3.1 Research Method
3.2 Research Design
3.3 Research Sample
3.4 Measuring Instrument
3.5 Data Collection
3.6 Data Analysis
3.7 Expected Result
CHAPTER FOUR
DATA
ANALYSIS AND RESULTS
4.1 Data Analysis
4.2 Results
4.3 Discussion
CHAPTER FIVE
SUMMARY AND
RECOMMENDATIONS
5.1 Summary
5.2 Recommendations for Further Study
References
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