DeRouchey, J.D.; Goodband, R.D.; Nelssen, J.L.; Tokach, M.D.; Dritz, S.S.; Murphy, J.P.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2001)
A total of 236 lagoon and 35 hoop barn manure samples were collected during 2000
from Kansas swine operations to determine
the effects of production phase and season of
the year on their nutrient concentration.
Lagoon ...