Contour plowing, the contour lines of the terrain are being traced, and curves are considered the contour lines in this instance. Contour plowing is always done parallel.
High-residue cover cropping is an adaption of conservation tillage in which a high-biomass cover crop is grown during the winter and is rolled or cut down prior to no-till or strip-till planting in spring.
Because we all came from two people bible wise. Evolution wise, same thing kinda. We all came from the same person in the beginning.