https://www.bto.org/our-work/science/publications/reports/research-reports/use-pea-crops-farmland-birds-evidence-extended-breeding
The use of pea crops by farmland birds: evidence for an extended breeding and enhanced feeding opportunities in crop mosaics
The use of pea crops by farmland birds: evidence for an extended breeding and enhanced feeding opportunities in crop mosaics
Citation
Henderson, I., Clark, N., Bodey, T., Holloway, S.J. & Armitage, M. 2004. The use of pea crops by farmland birds: evidence for an extended breeding and enhanced feeding opportunities in crop mosaics.