Wiktionary
n. 1 Protection of the soil against sediment loss by erosion or fertility loss due to degradation. 2 A combination of all soil management and land use methods that protect against degradation. 3 The sub-discipline of soil science that deals with soil conservation (1) and (2).
WordNet
n. protection of soil against erosion or deterioration
Wikipedia
Soil conservation is the prevention of soil loss from erosion or reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
Slash-and-burn and other unsustainable methods of subsistence farming are practiced in some lesser developed areas. A sequel to the deforestation is typically large scale erosion, loss of soil nutrients and sometimes total desertification. Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks and affect both erosion and fertility. When plants, especially trees, die, they decay and become part of the soil. Code 330 defines standard methods recommended by the US Natural Resources Conservation Service. Farmers have practiced soil conservation for millennia. Conservation practices fall in multiple categories:
Usage examples of "soil conservation".
So far we've gone past signs to the Kansas State University experimental farm, the Extension Service experimental farm, and the Soil Conservation Service test soil plots.
This is all the more strange when you consider that they are only too happy to provide all kinds of peripheral facts-Now ENTERING BUBB COUNTY SOIL CONSERVATION DISTRICT, NATIONAL SPRAT HATCHERY 5 MILES, NO PARKING WED 3AM TO 6AM, DANGER: Low FLYING GEESE, Now LEAVING BUBB COUNTY SOIL CONSERVATION DISTRICT.
As a last resort he called in a soil conservation officer and conferred with him.
Shelf after groaning shelf held dry texts solemnly devoted to algebra, geometry, trigonometry, physics, geology, biology, physiology, astronomy, genetics, chemistry, biochemistry, electronics, agriculture, animal husbandry, soil conservation, engineering, metallurgy, the principles of architecture.
Cover crops to help control weeds and pests and add to revenue, and the basic soil conservation of rotation.
The Lakes provided jobs, electric power, flood control, soil conservation, a fisherman's paradise, milder winters, cooler summers, and they covered all the really good farming land in the eastern part of the state.
Farmers to the bone, Amish had actually been in the agricultural forefront in matters like crop rotation and soil conservation.
He was constantly investigating new ways of improving his own range, working closely with the Soil Conservation Service to protect the natural resources of his state.
I'll spend three thousand years writing it, it'll be packed full of information on soil conservation, the Tennessee Valley Authority, astronomy, geology, Hsuan Tsung's travels, Chinese painting theory, reforestation, Oceanic ecology and food chains.
The deputies saw the Rangers as little more than gardeners with guns, treehuggers more interested in soil conservation than law enforcement.