The Netherlands: study on ammonia emission on organic dairy farns

In Holland a study of Wageningen University & Research shows that the ammonia emission per hectare on organic dairy farms is half of the emission on regular farms. The total nitrogen emission and losses on organic dairy farms are 70 percent less than on regular dairy farms. The differences are among others causes by more pasturing, less cows per hectare, no use of fertilizer, lower average milk production and lower nitrogen level in feed rations on organic farms.

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