Haku
Viitteet 1-4 / 4
Results of plant nutrient balances in the BERAS countries : Finland
(Sveriges lantbruksuniversitet, Centrum för uthålligt lantbruk, 2005)
Nitrogen and phosphorus leakage in ecological recycling agriculture
(Sveriges lantbruksuniversitet, Centrum för uthålligt lantbruk, 2005)
Water discharge and nutrient leaching from organic mixed crop rotation
(Tartu University Press, 2006)
Results and discussion
(Swedish University of Agricultural Sciences, Centre for Sustainable Agriculture, 2006)