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The negative impact of agriculture is an old issue that remains a concern even as experts design innovative means to reduce destruction and enhance eco-efficiency. [2] Animal agriculture practices tend to be more environmentally destructive than agricultural practices focused on fruits, vegetables and other biomass. The emissions of ammonia ...
One example of a biocontrol program that resulted in ecological damage occurred in North America, where a parasitoid of butterflies was introduced to control gypsy moth and browntail moth. This parasitoid is capable of utilizing many butterfly host species, and likely resulted in the decline and extirpation of several native silk moth species.
Neglected and underutilised crops are domesticated plant species used for food, medicine, trading, or cultural practices within local communities but not widely commodified or studied as part of mainstream agriculture. [1] [2] Such crops may be in declining production. [3]
Examples of environmental impacts of animal agriculture: Meat production is a main driver of deforestation in Venezuela; Pigs in intensive farming; Testing Australian sheep for exhaled methane production to reduce greenhouse gas emissions from agriculture; Farms often pump their animal waste directly into a large lagoon, which has environmental ...
The same thing happens when a limb breaks off and falls to the ground and we do no follow-up pruning to clean up the wounds. Those stubs do not heal properly. Decay sets in after a couple of years.
The social history of American agriculture (1936) online; Schapsmeier, Edward L., and Frederick H. Encyclopedia of American Agricultural History (Greenwood, 1975) Schob, David E. Hired hands and plowboys: farm labor in the Midwest, 1815-60 (1975), pp. 173–249. Shannon, Fred A. The Farmer's Last Frontier: Agriculture, 1860–1897 (1945) online
To hear Republican presidential candidates describe the US economy, you’d think it was in a deep recession, with growth and productivity choked off by President Joe Biden’s policies.
The Development of American Agriculture: A Historical Analysis (1998) Conkin, Paul. A Revolution Down on the Farm: The Transformation of American Agriculture since 1929 (2008) Gardner, Bruce L. (2002). American Agriculture in the Twentieth Century: How It Flourished and What It Cost. Harvard University Press. ISBN 0-674-00748-4. Hurt, R. Douglas.