EFFECT OF ASH FROM DIFFERENT SOURCES ON PHYSICO-CHEMICAL PROPERTIES AND SHOOT DRY MATTER OF MAIZE



ABSTRACT
The objective of this study was to evaluate the effect of wood ash, (WA) coconut ash (CA) and rice husk ash (RHA)on the soil physicochemical properties and dry matter. The experiment was laid out in randomized complete block design with the four treatment replicated five times. The treatment includes control (O), wood ash coconut ash and rice husk ash (RHA). Maize variety Oba super II hybrid was used as test crop for the experiment and was planted at the rate of two seeds per hole. 

The result showed increased soil pH in ash amended plots relative to the control. Similarly the exchangeable bases (Ca, Mg, Na, K) had higher levels in ash amended plots compared to the control. Result of the study also showed higher Tp, Om, total N and Available P values in ash amended soil. Tp improvement in soil properties led to higher shoot and grain yield in ash amended soil. Ash improves soil physical and chemical properties and crop yield.

EFFECT OF ASH FROM DIFFERENT SOURCES ON PHYSICO-CHEMICAL PROPERTIES AND SHOOT DRY MATTER OF MAIZE

A RESEARCH PROJECT SUBMITTED TO THE DEPARTMENT OF SOIL AND ENVIRONMENT MANAGEMENT FACULTY OF AGRICULTURE AND NATURAL RESOURCE MANAGEMENT

IN PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF BACHELOR OF SCIENCE (B. AGRIC)

TABLE OF CONTENTS
Title Page………………………………………………………..           i
Certification page……………………………………………….           ii
Dedication………………………………………………………           iii
Acknowledgement……………………………………………..            iv
Abstract…………………………………………………………            v
Table of contents……………………………………………..               vi

CHAPTER ONE
1.0         INTRODUCTION……………………………………….        1
1.1       The Specific Objectives of The Study …………………..         2

CHAPTER TWO
2.0       LITERATURE REVIEW
2.1       Importance of Ash In Agricultural Production……………..     3
2.3       The Use of Ash As Fertilizer……………………………….      6
2.5       Chemical Characteristics of Soil Amended With ASH..            7
2.6       Effect of the soil amended with Ash on maize
grain yield…………………………………………………..      9
2.7       Ash As A Liming Agents ………………………………….       10
2.8       Effect Of Ash Application On Soil…………………………     11
2.9       Enhanced Soil Microbial Activity…………………………      12
2.10    Sources Of Ash ……………………………………………       13
2.11    Effect Of Rice Husk Ash On Chemical Properties……..           14

CHAPTER THREE
3.0       MATERIALS AND METHODS
3.1       The Study Site ……………………………………….     15
3.2       Land preparation………………………………………  15
3.3       Treatment ……………………………………………..   16
3.4       Experiment design and maize planting……………       16
3.4.1   Sources of the Material………………………………    17
3.1.1   Agronomic Data ………………………………………  18
3.6       Soil Sampling………………………………………….   18
3.7       Physical Soil Properties ……………………………..    18
3.8       Soil Chemical Properties ……………………………     19
3.9       Data Analysis………………………………………….  19
CHAPTER FOUR
4.1       RESULTS AND DISCUSSION
4.0       Effect of treatments on some soil physical………….   
Properties……………………………………………..    20
4.1.1   Dispersion Ratio………………………………………..24
4.2       Hydraulic Conductivity……………………………….. 24
4.1.2   Bulk Density……………………………………………25
4.1.3   Total Porosity…………………………………………   25
4.3.1   .1Soil pH of Water…………………………………..      27
4.3.2   Organic matter…………………………………………  27
4.2.4   Total Nitrogen……………………………………….      28
4.2.5   Available Phosphorus……………………………….     28
4.3       Effect of Treatments on Soil exchangeable
Cations……………………………………………….     29
4.4       Effect of different ash on plant height  and shoot dry matter
Plant Height……………………………………………  33
CHAPTER FIVE
5.0       Conclusion and Recommendation…………………       35
5.1       Recommendation ……………………………………     35
REFERENCE……………………………………….        36
APPENDIX I
APPENDIX I I
APPENDIX I II
APPENDIX I v
APPENDIX vI
APPENDIX II

LIST OF TABLE

Table 1           Initial on soil properties…………………..                      21
Table 2           Shows nutrient composition of treatments…..                23
Table 2:          Nutrient composition of treatment ……………..            23
Table 4:          Effect of treatments on some soil physical properties..26       
Table 5 :         Effect of treatments on pH, om, n and available  p …. 29
Table 6.1        Effects of treatments on soil chemical…………………31
Table 5           Effects of ash on plant height and shoot root  ………34
Table 5.1        Shows effect of treatments on plant and shoot dry weight shows effect of treatments on plant weight land shortly weight…………………………………………………….34

LIST OF FIGURE

Layout of Field………………………………………………..  17

EFFECT OF ASH FROM DIFFERENT SOURCES ON PHYSICO-CHEMICAL PROPERTIES AND SHOOT DRY MATTER OF MAIZE

DEPARTMENT OF SOIL AND ENVIRONMENT MANAGEMENT FACULTY OF AGRICULTURE AND NATURAL RESOURCE MANAGEMENT

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