|
|||||
|
|
Nitrogen efficiency of Dutch dairy farms: a shadow cost system approach |
|
| Authors: | Reinhard S; Thijssen G |
| Institution: | 1 Agricultural Economics Research Institute (LEI), The Hague, The Netherlands 2 Wageningen University, Wageningen, The Netherlands |
| Abstract: | |
| Keywords: | cost function shadow costs nitrogen emission materials balance dairy farming |
| 本文献已被 Oxford 等数据库收录！ | |