The role of cover crops in North American cropping systems. Gallandt E. M Sarrantonio, E Gallandt - Journal of Crop production, 2003 - Taylor & Francis GSID: TnfA7-Rm758J
Cover crop options and mixes for upper midwest corn–soybean systems. Lenssen AW. SR Appelgate, AW Lenssen, MH Wiedenhoeft… - Agronomy …, 2017 - Wiley Online Library GSID: PGE2GWFSZUEJ
Growth and mineral nutrition of field crops. [No authors listed] NK Fageria, VC Baligar, CA Jones - 2010 - books.google.com GSID: xiQgTeYm15kJ
Replacing bare fallows with cover crops in fertilizer-intensive cropping systems: A meta-analysis of crop yield and N dynamics. David MB, Drinkwater LE. C Tonitto, MB David, LE Drinkwater - Agriculture, Ecosystems & …, 2006 - Elsevier GSID: dAVWBqfS4yIJ