Most commercial nitrogen fertilizers lower soil pH much more quickly than organic sources of nitrogen such as animal manure or nitrogen resulting from the symbiotic relationship between Rhizobium bacteria and legumes.

A key to profitable forage livestock production is to provide adequate nutrients for good forage growth. Fertility requirements for a hay or silage crop are vastly different than for grazed forages, even if the pasture and hay crops are the same species.

This quote can be applied to outside hay storage because a substantial portion of the often-large losses that occur when large round bales are stored outside can be avoided when various practices are implemented.