Root Morphology and Nitrogen Uptake of Maize Simultaneously Supplied with Ammonium and Nitrate in a Split-root System

Annals of Botany - Tập 72 - Trang 107-115 - 1993
Marcus Schortemeyer1, Boy Feil1, Peter Stamp1
1Institute of Plant Sciences, Swiss Federal Institute of Technology, Universittstrasse 2, CH-8092 Zrich, Switzerland