- A chemical or natural substance added to soil or land to increase its fertility: sewage sludge could be a valuable fertilizer for use in British forestsMore example sentences
plant food, dressing
- The only way to be a successful farmer is to use lots of chemical fertilizers and pesticides.
- Besides this, chemical fertilizers and pesticides were often doing more harm than good.
- Give fruit trees and bushes a topdressing of organic fertiliser, or a mulch of well-rotted compost or manure.