Ympäristön huomioon ottavat lannan käsittelytavat - Kapuinen, Petri (Agro-Food ry/Agronomiliitto ry, 1999)
Keywords: Ra; karjanlanta; lietelanta; farmyard manures; liquid manures; environmental protection; pollution; nutrients; nitrogen; phosphorus; ammonia; smell; bioaccumulation; leaching; acidification; surface water; groundwater; application methods; cereal crops; grasslands; manure handling; manure spreaders; slurry tanks; dung yards; time of application; environmental legislation