Cows eat 22 kg of plants to make 1 kg of meat, out of every 100 kcal you feed them you'll get 2 kcal of meat. Why not skip the inefficient intermediary? And we

Cows eat 22 kg of plants to make 1 kg of meat, out of every 100 kcal you feed them you'll get 2 kcal of meat. Why not skip the inefficient intermediary? And we could/should use nitrogen fixing plants and biodiversity instead of man made chemicals.