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fertilizer
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fertilizer
The importance of nitrogen and phosphorus in ecosystems
chlorosis ammonium nitrate manure nitrogen fixation compost fertilizer fertilizer application composting
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fertilizer
chlorosis
ammonium nitrate
manure
nitrogen fixation
compost
fertilizer
fertilizer application
composting
fertilizer products and their uses
The importance of nitrogen and phosphorus in ecosystems
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Key People

Sir John Bennet Lawes, 1st Baronet
English agronomist
Sir Henry Gilbert
British chemist

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Beet. Beta vulgaris. Sugar beet. Two rows of harvested beets.
18 Questions About Farming Answered