Aghajanzadeh-Darzi, Parisa; Jayet, Pierre-Alain; … - International Association of Agricultural Economists - IAAE - 2012
A signicant part of crop productions is not marketed and can be totally (fodders and pastures) or partly (cereals) used on-farm. Regarding inputs, Nitrogen fertilizers are also not only provided by the market, but they are signicantly on-farm provided by livestock. When outputs and inputs are...