fertilizer

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The importance of nitrogen and phosphorus in ecosystems

ammonium nitrate

nitrogen fixation

fertilizer application

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Beet. Beta vulgaris. Sugar beet. Two rows of harvested beets.

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fertilizer: Related Content

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ammonium nitrate

nitrogen fixation

fertilizer application

fertilizer products and their uses

The importance of nitrogen and phosphorus in ecosystems

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mulch superphosphate bone meal liming strip test manure compost guano manure spreader green manure insecticide herbicide chemosterilant fumigant pesticide tillage cultivation tilth

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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