Semi-detailed Soil Survey of the LIuidas Vale Area, St. Catherine-St ...

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DESCRIPTION OF THE SURVEY AREA Figure. 1. The Lluidas Vale survey area, St. Catherine-St. Ann, Jamaica. .4800W. 470000 460O00 450000 Tb Crofto Hil 440OOOM 490000, SQOOOO 5,0000 62O0OO lb Monoogoo lb Ocho. Rio* -"YTydlxon ^ ^ i-l ^ - < ^ 5 v , Tap-Hil ( PConporoown ,K. I StJohrt 1L T ^ Worthy Park '\
DESCRIPTION OF THE SURVEY AREA The total annual rainfall in 80% (range of R90 to RIO, see Appendix 1) of the years varies from 980-1923 mm at Swansea, 992-2059 mm at Worthy Park, 1049-2538 mm at Grass Piece, 1084-2239 mm at Corn Ground, 1124-1979 mm at Charming Hole and 1313-2354 mm at Point Hill. At Ewarton it varies from 925-1807 mm, indicating somewhat drier conditions than in the Lluidas Vale area. For land evaluation R75 is used. The R75 value indicates the amount of rainfall that will be reached or exceeded in 3 out of 4 years. Rainfall data for Worthy Park show that in 75% of the years the annual rainfall is at least 1247 mm (Table 1 and Figure 2). September and October are the wettest months, followed by May. December to April are the driest months in most years. Table 1. Mean monthly rainfall (Rmean in mm), dependable rainfall in 75% of the years (R75 in mm), mean monthly potential evapotranspiration (PET in mm. according to Priestly & Taylor method) and R75/PET ratios for Worthy Park (period: 1900-1988). Rmean R75 PET Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec year 60 51 59 86 185 181 29 23 29 38 98 85 98 101 127 131 139 136 112 159 177 75 91 102 145 136 118 244 149 115 140 67 64 33 97 97 1526 1247 1441 R75/PET 0.29 0.22 0.22 0.29 0.70 0.62 0.51 0.67 0.86 1.29 0.66 034 0.86 Source: JAMPLES; raw rainfall data provided by JMS 1989. Yearly potential evapo-transpiration (PET) for the rainfall recording locations is calculated with the Priestly & Taylor method. This method is described by L Homme & Eldin (IICA 1983), using linear regression against elevation above mean sea level (msl). PET ranges from 1360 in the hills to 1490 at Ewarton. The PET value for Worthy Park is approximately 1440 mm. 6
Page 1 and 2: Soil Survey Report No. 7 Semi-detai
Page 3 and 4: PREFACE This report is the seventh
Page 5 and 6: drainage, poor workability). The ar
Page 7 and 8: II 4.5 Description of the soil mapp
Page 9 and 10: Ll I II II
Page 11 and 12: INTRODUCTION cover. Field work prep
Page 13: DESCRIPTION OF THE SURVEY AREA plan
Page 17 and 18: DESCRIPTION OF THE SURVEY AREA Tabl
Page 19 and 20: DESCRIPTION OF THE SURVEY AREA Sinc
Page 21 and 22: 2.2.5 Wind DESCRIPTION OF THE SURVE
Page 23 and 24: Mapping Unit* K- M. abov* mil 600 0
Page 25 and 26: DESCRIPTION OF THE SURVEY AREA The
Page 27 and 28: DESCRIPTION OF THE SURVEY AREA Lege
Page 29 and 30: DESCRIPTION OF THE SURVEY AREA Floo
Page 31 and 32: DESCRIPTION OF THE SURVEY AREA but
Page 33 and 34: DESCRIPTION OF THE SURVEY AREA Lege
Page 35 and 36: 3. MATERIALS AND METHODS 3.1 OFFICE
Page 37 and 38: MATERIALS AND METHODS profile to se
Page 39 and 40: MATERIALS AND METHODS Total N: (acc
Page 41 and 42: 4. IHE^QILS 4.1 PREVIOUS WORK THE S
Page 43 and 44: THE SOILS Oxisols are very strongly
Page 45 and 46: THE SOILS -ults stands for the orde
Page 47 and 48: THE SOILS even at a larger scale of
Page 49 and 50: THE SOILS Bonnveate soils are very
Page 51 and 52: THE SOILS ustic to udic. In the soi
Page 53 and 54: THE SOILS Brvsons variant I and Brv
Page 55 and 56: THE SOILS Table 12. Summarized over
Page 57 and 58: Series name Depth of soil Drainage
Page 59 and 60: o Series name Depth of soil Drainag
Page 61 and 62: THE SOILS - Soil series to be recog
Page 63 and 64: THE SOILS Present land use: The soi
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THE SOILS isohyperthermic family of
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THE SOILS Both soils occur on moder
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THE SOILS Inclusions: South of the
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THE SOILS boundary of the Mount Dia
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THE SOILS Brief profile description
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THE SOILS occur in the north-wester
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THE SOILS concretions are found. Cl
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THE SOILS PR2 Rose Hall clay loam -
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THE SOILS Present land use: Both Ll
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AGRONOMIC INTERPRETATION OF SURVEY
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0 H- Ul in > • flj -J in u •rl
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S o z o 3 L 0 4- ul in +> •i-t r
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< a > PC 3 u. o z o < at a Z 5 O z
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Crop slope (7.) co-f-fee (cane. ) b
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• • L 0 4- in i/i m a i • 1 n
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-i O -H •- 0) >-• cr 3 n n o a
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a >• u > oc u. o 2 o < 3 2 s o 2
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6. REFERENCES REFERENCES Barker, G.
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REFERENCES Soil Survey Project/Unit
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REFERENCES SSU 1989L Agro-climatic
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GLOSSARY Colluvium: Soil material,
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GLOSSARY C horizon: The mineral hor
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GLOSSARY Relief: The collectively c
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APPENDICES APPENDIX I Agro-climatic
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CORN GROUND APPENDICES Table 1 : Ex
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GRASS PIECE APPENDICES Table 1 : Ex
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SWANSEA APPENDICES Table 1 : Extrem
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APPENDICES Rainfall statistics for
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APPENDICES Table 1 : Analysis o-f s
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APPENDICES APPENDIX III Land use in
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APPENDICES FRUITS pawpaw 7.75 pinea
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APPENDICES Profile no. 89/84C/001 M
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APPENDICES Profile no. 8S/84C/O03 M
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APPENDICES Profile no. 86/B4C/010 M
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APPENDICES Profile no. 89/84A/046 M
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APPENDICES Profile no. 89/84/067 Ma
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APPENDICES Profile no. 88/84C/108 h
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APPENDICES Profile. 88/84C/1C9 nap
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89/84A/046 cont: APPENDICES Cg3 112
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APPENDICES APPENDIX VI Correlation
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APPENDICES yellowish brown to yello
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APPENDICES P: SOILS OF THE RIVER PL
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APPENDICES KEY TO TRXTURAL GROUPS:
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Explanation of the tables: APPENDIC
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APPENDICES Table 2. Agro-ecological
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APPENDICES Table 10. Agro-ecologica
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APPENDICES APPENDIX IX Recommended
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APPENDICES Survey area: Lluidas Val
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-B°OO'N PARISH OF CLARENDON LEGEND
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Semi-detailed Soil Survey of the LIuidas Vale Area, St. Catherine-St ...

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