Complex sentence: The Fierce People (Chagnon 1998; Chagnon 1992; Chagnon 1983) Traditionally they did not farm, and the practice of felling palms in order to facilitate the growth of the grubs was the Ya̧nomamö's closest approach to cultivation.
Split into simpler sentences: The Fierce People (Chagnon 1998; Chagnon 1992; Chagnon 1983) Traditionally they did not farm. The practice of felling palms to facilitate the growth of grubs was the Ya̧nomamö's closest approach to cultivation.