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DP16526 Commodity Prices and Global Inflation, 1851-1913 智库出版物
2021
作者:  Stefan Gerlach;  Rebecca Stuart
收藏  |  浏览/下载:5/0  |  提交时间:2022/09/22
Commodity prices  Gold standard  Global inflation  Pig iron  
Krankheitserreger in Tränkeeinrichtungen für Schweine richtig entfernen 智库出版物
2017
作者:  [unavailable]
收藏  |  浏览/下载:4/0  |  提交时间:2019/05/15
pig  pig farming  farmer  agriculture  animal  drinking water  hygiene  health  infographic  illustration  
Adapting feeding methods for less nitrogen pollution from pig and dairy cattle farming: abatement costs and uncertainties. 智库出版物
2016
作者:  Pierer M;  Amon B;  Winiwarter W
收藏  |  浏览/下载:5/0  |  提交时间:2019/06/18
Nitrogen losses  Nitrogen abatement cost  Monte Carlo simulation  Nitrogen use efficiency (NUE)  Pig fattening  Dairy forage  
Valuing Animal Genetic Resources in Peasant Economies: The Case of the Box Keken Creole Pig in Yucatan 智库出版物
2001
作者:  Riccardo Scarpa;  Adam Drucker;  Simon Anderson;  Nancy Ferraes-Ehuan
Adobe PDF(901Kb)  |  收藏  |  浏览/下载:2/0  |  提交时间:2019/06/14
Biodiversity values,genetic resources,stated preference,choice experiments,livestock values,non-market values,creole pig