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Soil Characteristics
Soil pH
Soil Improvement
Potpourri
100
This group of people directly depends on soil for their livelihood.
What is agricultural producers?
100
The largest soil particle.
What is sand?
100
The numeric value which indicates acidity.
What is 3?
100
A method to reduce erosion using crops.
What is crop rotation?
100
Of the following, one item is not a factor in soil formation. time, topography, secondary material, biological factors
What is secondary material?
200
The soil formation factor including weathering caused by wind and rain.
What is climate?
200
The soil classified as nutrient rich.
What is organic soil?
200
The neutral value on the pH scale.
What is 7?
200
Soils to main jobs are providing support for plant roots and ______.
What is needed nutrients and water?
200
The soil texture good for agricultural production and most crops.
What is loam?
300
The group that relies on soil to provide a foundation for structures, serve as a natural filter for water, and enabling plants to grow.
What is everyone/the human race?
300
The soil composed of a high percentage of minerals.
What is inorganic soil?
300
The productive layer of the soil.
What is topsoil?
300
The major affect of soil erosion on agricultural production.
What is loss of productive layers of soil?
300
The inorganic soil material which results in fertile and productive soils.
What is volcanic ash?
400
The soil formation factor that involves decomposition of dead organisms.
What is biological factors?
400
The soil particle that is gritty and has a low water holding capacity.
What is sand?
400
Soil pH can positively or negatively affect this soil quality.
What is nutrient availability?
400
The reason organic matter is added to the soil.
What is to add nutrients to the soil?
400
The smooth and powdery soil particle.
What is silt?
500
The material from which soil is formed.
What is parent material?
500
The smallest soil particle.
What is clay?
500
The numeric value indicating alkalinity.
What is 14?
500
Burrowing animals benefit the soil in this way.
What is mixing subsurface materials with surface soils?
500
Small single-celled organisms with a symbiotic relationship with plants.
What are bacteria?