which of the following agricultural practices controls soil erosion

Following are some of the methods of soil erosion prevention:

• Plant trees on barren lands to limit erosion of soil.
• Add mulch and rocks to prevent the plants and grass underneath to prevent soil erosion.
• Mulch matting can be used to reduce erosion on the slopes.
• Put a series of fibre logs to prevent any water or soil from washing away.
• A wall at the base of the slope can help in preventing the soil from eroding.

More items…

Full
Answer

How to control soil erosion?

Thus, minimizing the impact of water or wind forces is the main objective for erosion control. Water erosion is the most pertinent erosion problem in Iowa. Soil erosion by water occurs when bare-sloped soil surface is exposed to rainfall, and the rainfall intensity exceeds the rate of soil intake, or infiltration rate, leading to soil-surface runoff. Soil erosion can occur in two stages: 1) …

How does soil erosion affect agriculture?

 · Controlling Soil Erosion On Your Farm 1. No-Till Farming. No-Till Farming is an agricultural practice that does exactly as the name implies: it eliminates… 2. Covering Bare Soils. Barren and exposed soils are the most susceptible to soil erosion. Keeping your soils covered… 3. Managing Your …

How do modern agricultural practices affect the health of soil?

 · Because of this, farmers are being encouraged to amend their processes to prevent soil erosion, conserving the ground so that it can continue to produce healthy crop yields, and support animal life. Organic farming, for instance, is less associated with soil erosion than traditional agricultural methods.

Why is it important to control erosion and deposition?

 · No-till farming refers to an agricultural practice in which crops are grown without disturbing the soil in which these are located. The main reason why no-till farming might be used is to reduce the erosion that can be caused in certain terrains or with certain types of soil. Moreover, this practice allows for the retention of organic matter, as well as nutrient cycling.

What are some ways to reduce soil erosion?

Barren and exposed soils are the most susceptible to soil erosion. Keeping your soils covered with organic mulches or vegetation is one of the best ways to reduce soil erosion. Aside from reducing soil erosion, using mulch or cover crops provides other benefits to your soils.

How does soil erosion occur?

Soil erosion occurs when soil is mobilized and transported away from a region, usually by the force of wind or water. It often occurs on bare soils that have been disturbed by poor agricultural practices, overgrazing, or forestry.

What is the practice of reshaping the topography of your landscape to better manage the movement of water through

C. Earthworks. Earthworks is a practice that involves reshaping the topography of your landscape to better manage the movement of water through your property. By slowing, sinking, and spreading water you greatly reduce erosion and retain more water in your landscape.

How to stabilize steep topography?

Steep and exposed soils are the most prone to erosion. You can either manage these through the construction of retention walls, recontouring of the topography, or by planting deep rooted plants. Perennial bunch grasses or fast growing trees are some of the best ways to stabilize steep topography.

What is mulch made of?

It can be made of materials such as wood chips, straw, or the agricultural remanence of your previous harvest.

Why is no till farming important?

No-Till Farming usually requires more human labor since it largely eliminates heavy machinery but over time farmers will reduce expenses on agricultural inputs like fertilizers and pesticides. 2. Covering Bare Soils.

Does tilling improve soil quality?

While in some contexts tilling can result in improved soil quality, excessive tilling severely damages soils and leads to soil erosion.

How does soil erosion affect agriculture?

Soil erosion can negatively impact agriculture by reducing crop yields and quality. In an era where the population continues to grow rapidly, the agricultural sector is being put under increasing pressure to respond and produce enough food for our growing society.

How much of the world’s agricultural land is affected by erosion?

It is estimated that as much as 80% of the world ’ s agricultural land is suffering from what is considered moderate or severe levels of erosion. Also, almost all human food source comes from the land, with an estimated 99.7% of food calories coming from this source and just 0.3% coming from aquatic ecosystems.

Why is organic farming important?

Switching to organic farming methods is being encouraged in the agricultural sector not only to reduce soil erosion and product crop yields but also for the other numerous environmental and health benefits it brings.

Why do farmers switch to row crops?

Also, there has been a recent trend in the US for farmers to switch to certain row crops, like corn, because its value has doubled, while its susceptibility to soil erosion is putting entire farms at risk of financial failure.

How many hectares of land are abandoned each year?

Studies have shown that around 10 million hectares of land are abandoned each year due to this lack of crop productivity caused by soil erosion. This effects some regions more than others, with Africa, Asia, and South America averaging at a loss of 30 to 40 hectares annually.

Can grazing animals cause soil erosion?

Agricultural processes themselves can also cause soil erosion. Grazing animals can induce this effect by eating the plants covering the topsoil, exposing it to the elements, and churning up the ground pacing back and forth over its surface.

What are the factors that contribute to soil erosion?

Another major factor contributing to soil erosion is climate change .

What is crop rotation?

1. crop rotation – growing different crop from one year to the next.

Why is intercropping important?

The practice of intercropping, planting multiple crop species in the same plot reduces soil erosion, can add nutrients to the soil and

What is a good soil composed of?

A typical good soil is composed of at least 45% humus?

Which horizons do dissolved particles move down?

dissolved particles move down through horizons A, B, and C.

Why are we draining wetlands?

Historically, we have encouraged the draining of wetlands to make room for agriculture. Recently we have reversed this policy and are trying to restore wetlands.

Is rain forest soil good for growth?

The soil of rain forests is not suitable for forest growth.