H 00088824
USE OF MINOLTA SPAD-502 CHLOROPHYLL METER TO QUANTIFY THE EFFECTIVENESS OF MID-SUMMER TRUNK INJECTION OF IRON ON CHLOROTIC PEAR TREES
B
1997
20
11
P. 1457-1463
biblio., anglais, graph., TABL_>6TABL
chlorose ferrique, instrumentation, fer, tronc, nutrition de la plante, carence nutritive
08/08/2007