Centuries: 18th century - 19th century - 20th century
Decades: 1780s 1790s 1800s 1810s 1820s - 1830s - 1840s 1850s 1860s 1870s 1880s
Years: 1831 1832 1833 1834 1835 - 1836 - 1837 1838 1839 1840 1841
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... is the science of applying ecological concepts and principles to the design, development, and management of sustainable agricultural systems.
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