fer·​til·​iz·​er | \ ˈfər-tə-ˌlī-zər How to pronounce fertilizer (audio) \

Definition of fertilizer

: one that fertilizes specifically : a substance (such as manure or a chemical mixture) used to make soil more fertile

Examples of fertilizer in a Sentence

We only use organic fertilizer in our gardens. They use chemical fertilizers on their lawn.
Recent Examples on the Web Nurseries are still full of stock: annuals, row crops, trees, shrubs, labels, stakes, soil, mycorrhizal fungi, seed potatoes, organic fertilizers and more. Jeff Lowenfels, Anchorage Daily News, "Gardening season has arrived in Alaska. Do these chores now.," 14 May 2020 Use an all-nitrogen, lawn-type fertilizer and keep them growing actively to get the plants to fill in. Neil Sperry, ExpressNews.com, "Purpleheart will freeze back but regrow in your San Antonio garden come spring," 5 Dec. 2019 The feed is grown without most synthetic pesticides, fungicides, herbicides or fertilizers and 100% of the agricultural ingredients must be certified organic. Susan Selasky, Detroit Free Press, "Only cage-free eggs to be sold in Michigan under new state law," 22 Nov. 2019 Vashisth and her team developed a technique by which farmers spoon-feed smaller amounts of fertilizer to sick trees every two weeks, as opposed to massive amounts three times per year, so allowing roots to better absorb the nutrients. Darryl Fears, sun-sentinel.com, "The end of Florida orange juice? A lethal disease is devastating the state’s citrus industry," 11 Nov. 2019 More than 20 years ago, Will Harris was a cattle farmer who relied on common industrial tools like pesticides, synthetic fertilizers and antibiotics. NBC News, "Can regenerative agriculture reverse climate change? Big Food is banking on it.," 29 Oct. 2019 Before that corn is planted, farmers buy seeds, fertilizers and farm equipment to get it in the ground. Caitlin Dewey, OrlandoSentinel.com, "Farmers reap just pennies of total food cost, study finds," 2 May 2018 Beckstoffer grapes are renowned for their consistency, the result of exacting and technology-driven farming, including heavy use of fertilizers. Ben Ryder Howe, New York Times, "The Grapelord of Napa Faces a Threat Worse Than Plague," 9 May 2020 Leek is a relatively light feeder that doesn’t require a lot of fertilizer and can do well in beds that had been previously planted with heavy feeders, such as lettuce or broccoli. oregonlive, "Kids, adults learn to grow vegetables at home with free online OSU courses," 7 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fertilizer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of fertilizer

circa 1661, in the meaning defined above

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Time Traveler for fertilizer

Time Traveler

The first known use of fertilizer was circa 1661

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Statistics for fertilizer

Last Updated

28 May 2020

Cite this Entry

“Fertilizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fertilizer. Accessed 4 Jun. 2020.

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More Definitions for fertilizer


How to pronounce fertilizer (audio)

English Language Learners Definition of fertilizer

: a substance (such as manure or a special chemical) that is added to soil to help the growth of plants


fer·​til·​iz·​er | \ ˈfər-tə-ˌlī-zər How to pronounce fertilizer (audio) \

Kids Definition of fertilizer

: material added to soil to make it more fertile

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