Study on Infiltration and Soil Texture Under Banana and Maize Land Use Systems in Gatundu Catchment, Kiambu County, Kenya

Topics: Soil, Surface runoff, Hydrology Pages: 14 (4125 words) Published: March 31, 2013
KENYATTA

UNIVERSITY

SCHOOL OF PURE AND APPLIED SCIENCES DEPARTMENT OF GEOGRAPHY

STUDY ON INFILTRATION AND SOIL TEXTURE UNDER BANANA AND MAIZE LAND USE SYSTEMS IN GATUNDU CATCHMENT, KIAMBU COUNTY,KENYA

KAKAIRE JOEL I56EA/20023/2012 ICEDUNA MARION I56EA/20021/2012

MWM714: FIELD MAPPING AND LABORATORY TECHQNIUES FIELD REPORT

COURSE INSTRUCTOR: DR. MAKOKHA GEORGE

TABLE OF CONTENTS CONTENTS PAGES

1.0 Introduction ...........................................................................................................................1 1.1 Significance of the study .......................................................................................................2 1.2 Objectives .............................................................................................................................2 1.2.1 Specific Objectives .............................................................................................................2 2.0 METHODS AND MATERIALS ...........................................................................................3 2.1 INTRODUCTION.................................................................................................................3 2.2 Study area .............................................................................................................................3 2.3 Research design.....................................................................................................................6 2.4 Data collection procedures and laboratory analysis ................................................................6 2.4.1 Soil Texture ........................................................................................................................6 2.4.2 Infiltration ..........................................................................................................................7 3.0 RESULTS AND DISCUSSIONS ..........................................................................................8 3.1 Soil Infiltration Measurements ..............................................................................................8 4.0 CONCLUSION AND RECOMMENDATION .................................................................... 13 5.0 REFERENCES.................................................................................................................... 15 APPENDIX .............................................................................................................................. 17 Appendix 1: Data sheet for Infiltration for Banana and Maize Fields ......................................... 17

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LIST OF FIGURES

Figure 1: Infiltration Curve of Banana field ............................................................................... 10 Figure 2: Cumulative Infiltration of Banana Field ..................................................................... 10 Figure 3: Infiltration curve of Maize Field ................................................................................. 11 Figure 4: Cumulative infiltration of Maize Field........................................................................ 11

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LIST OF TABLES

Table 1: Description of infiltration sites ......................................................................................8 Table 2. Summary of the soil texture report from the test sites .................................................. 12

LIST OF PLATES

Plate 1: Infiltration in Banana and Maize field respectively .........................................................7

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1.0 Introduction Water is one of the most important factors limiting the growth of plants in all Agricultural systems. In this respect, good water management is necessary in order to solve water related problems such as irrigation and erosion control. Infiltration is the process by which water arriving at the soil surface enters the soil. This process affects surface...
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