s:582:"%T Auger sampling, in-growth cores and pin board methods 
%A Oliveira M R G 
%A Gaze S R 
%A Brouwer G 
%A Bona S 
%A Mosca G 
%A Hairiah, D.K. 
%A van Noordwijk, M. 
%X This chapter outlines those methods for assessing root systems structure and function in the field which are based on washing roots free from the soil in which they grew. Some of these methods are included in previous reviews (Kolesnikov 1971; Böhm 1979). The methods are either disruptive or totally destructive to the root system being studied and to the immediate environment (Taylor et al. 1991). 
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