@inproceedings{5bff9879c06445eebd9c352fa4cfa4c3,
title = "Root position effectivity ratio, Rper, a simple measure of the effects of non-homogeneous root distribution on uptake homogeneous resources",
keywords = "schatting, plantenontwikkeling, plantenfysiologie, wortels, testen, estimation, plant development, plant physiology, roots, testing",
author = "{van Noordwijk}, M.",
year = "1992",
language = "English",
pages = "790--792",
booktitle = "Root ecology and its practical application, 3. ISSR Symp. Wien, Univ. Bodenkultur, 1991",
publisher = "Verein fuer Wuerzelforschung",
}