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Agronomy looks at agriculture from an integrated, holistic perspective. Agronomists are specialists in crop and soil science, as well as ecology. Some things they look at are:

• the properties of the soil;
• how the soil interacts with the growing crop;
• what nutrients (fertilizers) the crop needs;
• when and how to apply these nutrients;
• the ways that crops grow and develop;
• how climate and other environmental factors affect the crop at all stages;
• how best to control weeds, insects, fungi, and other crop pests; and,
• how to grow crops effectively and profitably while conserving and protecting the environment.

Internet: <www.agronomy.org> (with adaptations).

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