African Studies Thesaurus
soil management
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29493832X
APP
2001-11-06
INP
2001-11-06
STA
Approved
UPD
2012-03-23
DUT
grondbeheer
IND
1
PPN
29493832X
UDC
631.6 631.61
MRF
631.6
UF
soil conservation
RT
cultivation systems
land reclamation
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