ABSTRACT
C ontrolling T ran sfer by M odifying th e Ability of Soil to R elease B iologically A vailable E lem en ts
Soil and Exchanges with the Plant Cover 65
66 Soil: A Site of Exchange and Transfer
68 Soil: A Site of Exchange and Transfer
'Sustainable' Agriculture
FRAGILITY OF SOIL INTERFACE WITH RESPECT TO ITS FUNCTION AS A HOME FOR, AND DEVELOPMENT OF PLANT COVER
Soil In te rfa ce In d isp en sab le
Soil In te rfa ce M odified by P lan t Cover an d th erefo re by C ultural P ra ctice s
Do S om e A n th ro p o g en ic P ra c tic e s C ause Irre v e rsib le M odification In co m p atib le w ith L o n g -term M ain ten an ce of a P lan t Cover th a t ca n b e Consum ed by M an?
