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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

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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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