Changes in Soil Properties Following Conversion of Humid Tropical Rainforest of Nigeria Into Cocoa Agroforests

Oke David OLANREWAJU

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Changes in Soil Properties Following Conversion of Humid Tropical Rainforest of Nigeria Into Cocoa Agroforests

机译：尼日利亚潮湿的热带雨林转变为可可农林后土壤性质的变化

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Thisstudyexaminedandcomparedsomephysical,chemicalandmicrobiologicalpropertiesofsoilunderanaturalrainforestecosystemandinyoung(10-12yrs)andold(50yrs)cocoaagroforests.Soilsampleswerecollectedtoadepthof30cmfromplotsdemarcatedwithineachtypeofecosystemandsoilpropertiesweredeterminedusingstandardlaboratoryprocedures.NosignificantdifferenceswerenotedinthesoiltexturalpropertiesbutsoilchemicalpropertiessuchasorganicC,totalNextractablePandexchangeableCaandMgshowedsignificantdeclineasaresultoftheconversiontococoaagroforests.SurfacesoilorganicCwasreducedby12%and31%underoldandyoungcocoaagroforestsrespectivelyinIdanre,whileareductionof24%and36%wereobservedinOmo.Lowermicrobialpopulationwasalsoobservedinthecocoaplotscomparedtothenaturalforest.

机译：Thisstudyexaminedandcomparedsomephysical，chemicalandmicrobiologicalpropertiesofsoilunderanaturalrainforestecosystemandinyoung（7-9岁）andold（> 50yrs）cocoaagroforests.Soilsampleswerecollectedtoadepthof30cmfromplotsdemarcatedwithineachtypeofecosystemandsoilpropertiesweredeterminedusingstandardlaboratoryprocedures.NosignificantdifferenceswerenotedinthesoiltexturalpropertiesbutsoilchemicalpropertiessuchasorganicC，totalNextractablePandexchangeableCaandMgshowedsignificantdeclineasaresultoftheconversiontococoaagroforests.SurfacesoilorganicCwasreducedby12％和31％underoldandyoungcocoaagroforestsrespectivelyinIdanre，whileareductionof24％和36％wereobservedinOmo.Lowermicrobialpopulationwasalsoobservedinthecocoaplotscomparedtothenaturalforest。

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《Journal of Applied Biological Sciences》 |2008年第3期|共页
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Oke David OLANREWAJU;
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中图分类生物科学;
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2. Effect of land-use conversion from forest to cocoa agroforest on soil characteristics and quality of a Ferric Lixisol in lowland humid Ghana [J] . Dawoe Evans. K, Quashie-Sam James. S, Oppong Samuel. K Agroforestry Systems . 2014,第1期

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3. Effects of Rainfall Seasonal Dynamics on the Chemical Properties of the Soil of a Tropical Southern Humid Rainforest Ecosystem in Nigeria [J] . M. R. Olojugba International Journal of Plant & Soil Science . 2018,第5期

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4. Engineering performance of soils of the humid tropical zone of Southern Nigeria [C] . Samuel U. Ejezie International Conference on Soil Mechanics and Geotechnical Engineering(16 ICSMGE) vol.2; 2005; Osaka(JP) . 2005

机译：尼日利亚南部潮湿热带地区土壤的工程性能
5. CHANGES IN PRODUCTIVITY AND NUTRIENT CYCLING FOLLOWING CONVERSION OF AMAZON RAINFOREST TO PASTURE (TROPICAL, SOIL FERTILITY, BRACHIARIA, GRAZING, LEACHING) [D] . BUSCHBACHER, ROBERT JOHN. 1984

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Changes in Soil Properties Following Conversion of Humid Tropical Rainforest of Nigeria Into Cocoa Agroforests

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