What is another word for "weeding"?

Roget's Thesaurus (1911) lists these synonyms for "weeding": and, any, between, cull, decimate, decimation, diminish, eliminate, elimination, eradication, exiguity, exiguous, far, few, fewness, handful, hardly, here, infrequency, infrequent, maniple, minority, number, paucity, quantity, rare, rarely, rarity, reduce, reduction, render, sarculation, scant, scanty, scarcely, scattered, small, spotty, the, there.