Assessment of some important fertility parameters related to different land-use systems in the humid forest zone of southern Cameroon.
International Journal of Biological and Chemical Sciences（2009）
Abstract
A field study was carried out in 1999 and 2000 in the village of Akok 180 km south of Yaoundé in the humid forest zone of southern Cameroon to assess changes in particle size distribution and soil chemical properties related to five different land-use systems namely: a secondary forest, a young forest, a cocoa farm, a Chromolaena fallow and a mixed food crop field. The results showed that land-use systems significantly affect the soil particle distribution and the highest proportions of sand and silt fractions were found in soils of young forests, the highest clay content was found under cocoa farms (P
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Key words
agricultural land,cycling,soil texture,base saturation,mixed farming,magnesium,cation exchange capacity,land use,calcium,forests,soil fertility,phosphorus,soil ph,soil types,agroforestry,particle size distribution,particle size,soil organic matter
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