|
|
||||||||
|
Fig. 1. Resin P released from soils incubated with no P addition (circles) or with poultry litter (diamonds), cattle slurry (asterisks), sewage sludge (triangles), or KH2PO4 (squares) during successive extractions.
|
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |