Selection of freshening dates that will maximize dairy profits : an application of linear programming using Dairy Herd Improvement Association data from Northern Illinois /
Hlavní autor: |
Baker C. B.
(
Autor )
|
---|---|
Další autoři: |
Tefertiller, K. R.
(
Autor )
|
Typ dokumentu: | Kniha |
Jazyk: |
angličtina |
Vydavatel: |
[Urbana :
University of Illinois,
1962].
|
Edice: |
Bulletin - University of Illinois. Agricultural Experiment Station ;
681 |