Terracing, contouring and leveling of tilled areas are centuries-old techniques for conservation of soil and water. Modern equipment allows much more precise leveling over large distances. Keyline design is a more advanced contouring technique which incorporates roads, fences, silt barriers and irrigation channels into a comprehensive landscape plan.
Other techniques include the planting of cover crops and the use of erosion barriers on disturbed slopes.
Prevent Nitrogen run-off!
Plant trees and grasses, and terrace the topography.
Flooding.
no one. they ran away from the farmers wife who would chop off their talls
Prevent Nitrogen run-off!
croprotation is one way farmers can prevent the loss of nutrients
By stopping competition from farmers abroad --APEX
they throw animal fat and they put clothes to prevent the fire
Farmers and gardeners spray pesticides on various plants, and when it rains, some of the pesticide washes off and is carried away by any run-off, which eventually drains into streams and rivers.
Kill off farmers.
Do they ever shut off? Some fans are designed to run a minute or so after the car is shut off to prevent boil over.
security system,wires and traps.