Cite

    Malene Jakobsen et al.. “Elimination behavior and soil mineral nitrogen load in an organic system with lactating sows – comparing pasture-based systems with and without access to poplar (Populus sp.) trees.” Agroecology and sustainable food systems, vol. 43, no. 6, 2019, pp. 639–661. http://access.bl.uk/ark:/81055/vdc_100086224848.0x000005