the world > food and drink > farming > cultivation or tillage > preparation of land or soil > fertilizing or manuring > fertilize or manure [verb (transitive)] > treat with chemical fertilizer (3)
transitive. Chiefly U.S. To treat (land, a crop, etc.) with plaster of Paris. Now rare.
transitive. To dress (land or a crop) with gypsum.
transitive. To fertilize (soil or plants) with potash. Also intransitive.