How much nitrogen are animals?

796 - 669,431

Explanation:

These slow- release nutrients become available to plants as the manure decays in the soil and releases the nutrients. Liquid manure and solid poultry manure contain large amounts of inorganic nutrients, especially nitrogen, that dissolve easily. Animals produce 335 million tons of manure annually in the U.S. And that's in dry weight.

thinking it would be physical characteristics