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High yield and low N leaching with barley as a green crop for silage after grass-clover

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2005) High yield and low N leaching with barley as a green crop for silage after grass-clover. DARCOFenews (1).

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Online at: http://www.darcof.dk/enews/mar05/roughage.html

Summary

Danish organic farmers experience increasing difficulties with clover soil fatigue due to continuous cultivation of clover. A solution could be to undersow barley with Italian ryegrass after ploughing of grass-clover where the barley could be used as a green crop for silage (i.e., barley harvested at the beginning of heading), and Italian ryegrass could be used for cutting in autumn.
This method offers advantages not only for the farmer but also for the environment. When grass-clover is ploughed there is a high risk of N leaching. However, new field experiments show, that with the suggested method it is possible to reduce leaching to a minimum and simultaneously achieve a high production of roughage.


EPrint Type:Journal paper
Subjects: Soil > Nutrient turnover
Research affiliation: Denmark > DARCOF II (2000-2005) > I.15 (NIT_GRASS) Nitrate leaching from dairy farming
Denmark > DARCOF II (2000-2005) > I.16 (OKOVAND) Regional groundwater protection by optimised organic farming systems
Deposited By: Eriksen, Senior scientist Jørgen
ID Code:5474
Deposited On:06 Sep 2005
Last Modified:12 Apr 2010 07:31
Document Language:English
Status:Published
Refereed:Not peer-reviewed
Additional Publishing Information:DARCOFenews

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