TEMPORARY BIOLOGICAL N CONSERVATION BY WINTER OILSEED TURNIP (BRASSICA-RAPA L.) AND ITS INFLUENCE ON FOLLOWING CROPS AND N-PERCOLATION

Authors
MERBACH W WURBS A JACOB HJ LATUS C
Citation
W. Merbach et al., TEMPORARY BIOLOGICAL N CONSERVATION BY WINTER OILSEED TURNIP (BRASSICA-RAPA L.) AND ITS INFLUENCE ON FOLLOWING CROPS AND N-PERCOLATION, Isotopes in environmental and health studies, 33(1-2), 1997, pp. 39-43
Citations number
13
Journal title
Isotopes in environmental and health studies → ACNP
ISSN journal
10256016
Volume
33
Issue
1-2
Year of publication
1997
Pages
39 - 43
Database
ISI
SICI code
1025-6016(1997)33:1-2<39:TBNCBW>2.0.ZU;2-8
Abstract
As shown in field plot trials with application of N-15 on loamy sand ( albic luvisol), winter oilseed turnip (Brassica rapa L.; ssp, oleifera (Dc.) METZG.) incorporated considerable N amounts during the winter p eriod. By this a reduction of N percolation into deeper soil layers wa s achieved. After mulching, about 30 % of the catch crop N was taken u p by the following crop, maize (Zea mays L., cv. 'BEKENOVA'). Maize co vered 11 % of its total N demand deriving from the catch crop.