Sorry I am not a scientist in any way. I know I am seeing this in simplistic terms. Here is my best effort without research. The cow probably eats large volumes of plant material to produce some manure therefore it may be somewhat concentrated. Something occures in the cows internal organs that...
I don't understand how grass can enter an animal like a cow, have nutrients extracted by the cow and then be excremented as fertilizer? My point is that if i got the same grass, soaked in water and added it to plants without removing any nutrients it would be a useless fertilizer. How come you...