[Untitled]

Authors :: G. Convertini
M. Raglione
Anna Benedetti
Fabio Tittarelli
L. Falchini
Stefano Canali
Paolo Nannipieri
Loretta Landi
Stefano Grego
Luigi Badalucco
D. Ferri
D. Barraclough
L. Vittori-Antisari
Source :: Plant and Soil. 208:43-56
Publication Year :: 1999
Publisher :: Springer Science and Business Media LLC, 1999.
Abstract: The N uptake by crops, soil distribution and recovery of 15N labelled urea-N (100 kg N ha-1) were investigated in a sorghum-wheat rotation in two silty clay soils (Foggia and Rieti Casabianca) and one silt loam soil (Rieti Piedifiume) under different mediterranean conditions. Non-exchangeable labelled NH4-N represented an important pool at both Rieti sites with higher values (p