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Methods for sampling above and belowground organic pools

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The following research protocol was developed as part of the global ASB (Alternatives to Slash-and-Burn) project, to allow comparison of data collected in Indonesia (Lampung, Jambi), Cameroon, Brazil and Peru. The data collected can be used: -directly to assess the current C stock in above and below-ground pools; - to extrapolate to the 'time-averaged C stock' of a land system; - to initialise the CENTURY (or similar) simulation moder for C, N and P dynamics of the various pools of organic matter; and/or - compare biodiversity and profitability assessments with C stock data to study trade-offs among global environmental benefits and private incentives to the farmer.The fo,llowing text is an update from Palm et al. (1994). Foe the soil methods the basics are covered in the TSBF handbook of methods (Anderson and Ingram, 1993). Results of the C stock assessments in Indonesia are summmarised in Tomich et al. (1998)
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    Hairiah D K; Palm C A; Van Noordwijk M




    cover crops, forest products, organic matter, slash and burn agriculture, soil fertility


    Brazil, Cameroon, Indonesia, Peru

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