WorksheetsSust. Ag. Test 3-21
Total questions: 30
Worksheet time: 8hrs 30mins
Which soil structure is the best for agriculture?
granular
prismatic
massive
platy
What percentage of organic matter should soils contain?
50%
32%
78%
5%
Permeability is:
the ability of a soil to hold water for plant use
how quickly water can move downward into the soil
the rate at which water moves through the soil
an indicator of soil compaction
All are benefits of cover cropping except:
preventing erosion
fixing nitrogen
reducing diseases and pests in the soil
increasing wind erosion
Which choice is a common cover crop?
corn
clover
alfalfa
clover and alfalfa
1. Contour farming:
goes against the natural shape of the slope
follows the natural shape of the slope
alters the slope for a larger planting area
allows everyone to get mayonnaise
What is the order of soil horizons?
O A B C R
A C O R B
B O A R C
O B A R C
Which of these is a form of mulch?
landscape fabric
vermiculite
sorghum
mayonnaise
1. When using crop rotation you should never:
plant crops of the same type or family
plant crops that look the same
plant crops that are the same height
plant crops that have the same root structure
When compared to conventional crops, cover crops are
high maintenance
unruly
closely related to mayonnaise
low maintenance
What is low (acid) pH
1-6.9
8-14
7
none of these
What is loose soil structure?
sandy
silty
clayey
grass
What is granular soil structure?
sandy
silty/loamy
clayey
grass
What is blocky or platy structure?
sandy
silty
clay-ey
mayonnaise
What raises soil pH?
lime
calcium
sulfur
lime and calcium
How does the soil loose nutrients (nutrient loss?)
run-off
erosion
crop removal (harvesting)
All of these
Which of these can REMOVE weeds?
tillage
lowering the pH
mayonnaise
mulch
How the soil particles fit together is the…
soil composition
soil structure
mayonnaise coefficient
soil classification
Medium sized particles, good moisture & nutrient holding capacity describes which soil texture?
sand
silt
clay
mayonnaise
Dr. Jones prefers lettuce, tomatoes, mustard and ______ on burgers, BLTs and other sandwiches
Sand
Loam
Mulch
mayonnaise
The rate at which water moves through soils is:
porosity
slaking
aeration
permeability
What primary nutrient is needed most? (Needed in the largest amounts)
nitrogen
potassium
phosporous
carbon
Which nonconventional planting method follows the natural shape of the slope without altering it?
strip cropping
terracing
cover cropping
contour planting
1What helps to make gardens and planting site more weed and pest free with increased fertility, and more drought resistant?
strip cropping
terracing
cover cropping
mulch
Which is not a type of compost?
mushroom compost
livestock manure
mayonnaise
pathogens
Why should you take soil samples?
It can tell you what nutrients the soil needs
you can learn the pH of the soil
What nutrients are missing
all of these
The first step of taking a soil sample is: using a
clean soil probe or auger, collect a number of ________ or slices by
walking in a ________ pattern over the area.
holes, diagonal
holes, zigzag
cores, diagonal
cores, zigzag
Which of the following is not a
biological property of soil?
earthworms
electrical conductivity
soil respiration
total organic carbon
Which of the following accurately describes the role of soil in agriculture?
- Provides nutrients and space to grow food, fiber,
feed, and fuel.
2.Stores fresh water necessary for plant and animal
growth (groundwater).
3.makes it hard to grow crops
#1 and #2
What material is commonly found in the “R” soil
horizon?
bedrock
substratum
tree roots/organic matter
mayonnaise
