Soil Conservation Essay Kentucky

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.” Many different techniques have been invented throughout the years with the aim of preserving the nutrient level of the soil and preventing erosion. Contour Plowing – Originating in ancient Phoenicia, Contour Plowing involves plowing grooves into the desired farmland, then planting the crop furrows in the grooves and following the contours.

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It a very effective way for farmland on slopes to prevent run off improve crop yields. Terrace Farming – Terracing is a method of carving multiple, flat leveled areas into hills.

Steps are formed by the terraces which are surrounded by a mud wall to prevent run off and hold the soil nutrients in the beds. Keyline Design – A more enhanced version of Contour Plowing, maximum water retention is achieved by taking into account all the watershed properties when making the contour lines.

When the grass is harvested it can be used as fodder for cattle.

For heavily eroded soil it is recommended to grown grass for many years to let the soils naturally repair themselves. No till farming – This is the method of growing crops year round without changing the topography of the soil by tilling or contouring.

More commonly found in lesser developed nations due to the difficulty of using mechanized farming equipment in the terraces. The Keyline refers to topographic feature linked to water flow.

This allows the water run off to run directly into an existing water channel, and prevent soil erosion caused by the water. Perimeter Runoff Control – This is the practice of planting trees, shrubs and ground cover around the perimeter of your farmland which impedes surface flows and keeps nutrients in the farmed soil.

Students take the knowledge they have gained and transform it into creative art work and essays.

Students can earn monetary prizes on the county, regional and state levels.

As the water flows it picks up momentum and in turn erodes any soil in which it flows over after leaving the impervious surfaces, reducing the amount of these around your farmland will prevent erosion. Dry Farming – In areas with a very low amount of rainfall, crops which require very little water should be grown, this will lead to the preservation of the natural levels of moisture and nutrients in the soil. Rain Gardens – A rain garden is a shallow depression in the land which holds and collects running water from impervious surfaces and prevents erosion while saving the nutrients that inevitably get washed away.

This also gives you a good bed to grow wetland plants. Re-establish Forest Cover – A dense amount of trees in a forest leads to a vast network of deep roots that offer a long term solution to soil erosion, another benefit is the windbreak that these trees can provide. Maintaining PH levels of soil – Contamination of soils due to acid rains and other pollutants can lead to loss of soil fertility.