Reference no: EM133876380

Assignment:

1. Which of the following is NOT true of soil horizons:

a) The shallower soil horizons have a higher organic content.

b) The lowest layer of a soil horizon is bedrock.

c) The zone of leaching is just below the layer of accumulation.

d) Plant roots tend to be concentrated in the upper horizons.

e) Weathering converts bedrock into the C horizon.

2. Which of the following is/are true of soil texture:

1. Silty soils have the coarsest texture

2. Sandy soils have the largest particles

3. Clay soils have the smallest pores for water and air.

4. Loam soils have a mixture of particle sizes.

a) 1 and 2 only

b) 1, 2, and 3 only

c) 2 and 4 only

d) 2, 3, and 4 only

e) All of the above Answer clay, silt, sand, or loam to the following three questions:

3. Which soil type is most prone to waterlogging?

4. Which soil type is best drained?

5. Which soil type is often favored as providing optimal growing conditions?