WorksheetsSoil Chemistry
Total questions: 15
Worksheet time: 16mins
What three things did we discuss that crops need for good growth?
dirt, water, and fertilizer
Sun, air, and chemicals
Water, nutrients, and protection
Oxygen, water, and organic matter
Which is NOT one of the 5 functions of soil?
Provides a medium for plant growth
creates mud pies for worms
Regulator of water supply
Habitat for soil organisms
Select all that soil is composed of?
Air
Water
Organic matter
Minerals
irrigation
Farmers refer to compost as:_______
Black Gold
Golden Soil
Decomposed Matter
Rich Soil
Which is NOT one of the 3 major ingredients that composting requires?
Brown Material
Green Material
Oxygen
Water
Green compost material is rich in which element?
Potassium
Sulfur
Calcium
Nitrogen
Brown compost material is rich in which element?
Copper
Carbon
Magnesium
Zinc
Which is NOT an example of a brown compost material?
Coffee
Pine Needles
Dried Grass
Sawdust
Which is an example of dirt?
What plants need to survive
Full of nutrients
What is under your fingernail
What is the soil texture name if the soil consists of 60% Sand, 25% Silt, and 15% Clay?
Silt Loam
Sandy Loam
Sand
Loamy Sand
What is the soil texture name if the soil consists of 10% sand, 60% Silt, and 30% Clay?
Silt
Loam
Sandy Clay
Silty Clay Loam
What is the soil texture name if the soil consists of 30% Sand, 35% Silt, and 35% Clay?
Clay Loam
Sandy Clay
Silty Clay
Loam
Why is the A horizon usually darker than the B and C horizons?
Exposed to sunlight
contains a lot of organic matter
contains a little bit of organic matter
That is not true
Texture is important because it determines all BUT which of the following?
Water absorption rate
The amount of nutrients in the soil
Soil Productivity
How much organic matter is present
Why is soil so important in agriculture?
(a)
