id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
afs-5693	KÄNKÄNEN, H.; ERIKSSON, C.; RÄKKÖLÄINEN, M.	Effect of annually repeated undersowing on cereal grain yields	2001	12	.pdf	application/pdf	7668	420	68	The residual effect of undersowing wester- wold ryegrass on crop yields was negligible in both successive years. Effect of annually repeated undersowing on cereal grain yields Hannu Känkänen MTT Agrifood Research Finland, Plant Production Research, FIN-31600 Jokioinen, Finland, e-mail: hannu.kankanen@mtt.fi Christian Eriksson MTT Agrifood Research Finland, Data and Information Services, FIN-31600 Jokioinen, Finland Mauri Räkköläinen MTT Agrifood Research Finland, Laukaa Research and Elite Plant Station, FIN-41330 Vihtavuori, Finland Martti Vuorinen MTT Agrifood Research Finland, Häme Research Station, FIN-36600 Pälkäne, Finland Cover crops can be used to reduce leaching and erosion, introduce variability into crop rotation and fix nitrogen (N) for use by the main crops.	cache/afs-5693.pdf	txt/afs-5693.txt