Environmental
Characteristics
Economic
Farming
Miscellaneous
100

This term describes the buildup of salt in soil.

What is salinization?

100

This type of rock forms the unweathered base beneath soil layers.


What is bedrock?

100

This is one of the most important industries that makes the most use of soil


What is Agriculture?

100

Name the two types of manure.


What is Green Manure and Animal Manure?

100

List the soil horizons.


What is the O horizon, A horizon, B horizon, and C horizon.

200

This occurs when rivulets of fast-flowing water come together, and with the help of rain, can slowly cut the streams until they become deeper.

What is gully erosion?

200

This term describes soils with roughly equal mixtures of clay, sand, silt, and humus.

What are loams?

200

This type of farming can increase the crop yield, helping with the productivity of the farm.

What is strip cropping?

200

This is used in soil to add extra nutrients and aid in growing healthy plants, made out of other materials.

What is Organic Fertilizer?

200

Test used to determine soil composition by separation of layers.

What is the Soil Texture Triangle?

300

This is the term for the reduction of soil erosion on steep slopes, where the land is transformed into multiple similar-sized steps that follow the contour of the land.

What is terracing?

300

This term describes how soil particles are organized and clumped together.

What is soil structure?

300

This can lead to increased costs and funding by the government for repairing damages due to the soil being __________, which can damage farms, waterways, and infrastructure.

What is (soil) erosion?

300

This occurs when crops are planted in strips between other fruit or wood-bearing plants

What is Agroforestry?

300

Most soils fall into this pH range (they are neutral to slightly acidic).

What is 4-8?

400

The cycle where bacteria in the soil convert nitrogen into forms that plants can use.

What is the Nitrogen Cycle?

400

This soil property determines the rate at which water and air move from upper to lower soil layers.

What is permeability?

400

This method of farming is oftentimes seen in Christmas tree farms, where the trees are planted on sloped hills in the countryside.

What is contour farming?

400

This issue raises the water table due to overwatering and insufficient drainage when trying to leach salts into the soil.

What is Waterlogging?

400

This soil order is common in temperate forests (characterized by a high water-holding capacity).

What are Alfisols?

500

Soil’s contribution to water regulation.

What is holds rainwater, filters runoff pollutants, and prevents flooding?

500

This process occurs when the productive potential of arid or semi-arid land falls by 10%

What is desertification?

500

Countries whose biggest industry is agriculture.

What is China, the United States, India, and Russia?

500

The difference between conventional tillage and conservation tillage

What is conventional breaks up soil to plant, and conservation uses little tilling to reduce erosion?

500

Definition of cation exchange capacity (CEC).

What is the ability of soil to hold and exchange positively charged ions?