The explorers and the Puritans were the two main groups during the colonial period. Therefore, the writers during this time can be divided into those two groups. A famous Puritan writer is John Milton who is famous for his piece "Paradise Lost."
The organic materials most commonly used to improve soil conditions and fertility include farm yard manure (FYM), animal wastes, crop residues, urban organic wastes (either as such or composted), green manures, bio-gas spent slurry, microbial preparations, vermicompost and biodynamic preparations.
I think its either prey or predator adaption let me know if im wrong