Which of the following is a true statement about soil amendments?

Soil amendments are used to improve soil properties

Which of the following is NOT true about plant tissue analysis?

It will identify diseases present in the plant

Which of the following is NOT an advantage of organic fertilizers?

They quickly release nutrients for plant uptake

Which of the following best describes a loam soil?

Soil contains relatively equal amounts of sand, silt & clay

Which of the following is NOT an advantage of inorganic fertilizers?

They are beneficial in adding organic matter to the soil

Which of the following best describes leaching?

Water carries nutrients below roots so they're unavailable

Which of the following is a true statement about fertilizers?

Fertilizers guarantee a minimum percentage of nutrients

Which of the following is a true statement?

soil test & plant tissue analysis combo give best results

Which of the following is NOT a characteristic of organic matter?

Organic matter rids soil of organisms: aids soil fertility

Which of the following is NOT true about soil sampling?

It is expensive and not an accurate indicator of soil pH

When is the best time to test soil?

After harvest and before fall or spring fertilization

Which of the following best describes soil fertility?

quality or ability of a soil to provide nutrients to plants

Which of the following is NOT true about soil pH?

Soil pH does not affect the availability of nutrients

Which of the following is NOT true about primary nutrients?

They are needed in small quantities

Fertile soil should contain all BUT which of the following?

Tightly compacted soil structure

Which of the following is a true statement about organic fertilizer?

Organic fertilizer is composed of materials found in nature

Which of the following is NOT a correct statement for plant tissue sampling procedures?

Taking any plant part for sampling is acceptable

Which of the following is NOT a true statement about fertilizers?

Organic fertilizers are more apt to leach nutrients

Which of the following is NOT a common problem associated with inorganic fertilizers?

May give insufficient nutrients & deplete nitrogen in soil

Which of the following is a true statement about soil?

It must contain water, nutrients, and organisms to produce

Which of the following is a NOT a true statement about fertilizers?

Organic ferts have increased crop yields during last 100 yrs

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Fertilizers and Soil Amendments

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Quiz on soil amendments and fertilizers

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Questions 35

Answers

1
Which of the following is a true statement about soil amendments?
Soil amendments supply a guaranteed percentage of nutrients
Soil amendments are used to improve soil properties
Soil amendments should be buried in the soil to be effective
Amending a soil is the same thing as mulching
2
Which of the following is NOT true about plant tissue analysis?
It can diagnose existing nutrient problems in plants
It can be used to fine-tune fertilization strategies
It can identify an appropriate time for harvest
It will identify diseases present in the plant
3
Which of the following is NOT an advantage of organic fertilizers?
They quickly release nutrients for plant uptake
They can decrease the runoff of nutrients into water systems
They can increase water-holding capacity
They can increase soil drainage
4
Which of the following is NOT a true statement about lime?
It is commonly thought of as a fertilizer
It is an inorganic amendment
It is an organic amendment
It supplies large amounts of calcium and magnesium
5
Which of the following best describes a loam soil?
Soil particles which are smooth and small in size
Soil particles which vary in size and resemble cookie crumbs
Soil contains relatively equal amounts of sand, silt & clay
Soil which contains high organic matter content
6
Which of the following amendments is NOT high in salt content?
Manure
Sphagnum peat
Composted biosolids
Wood ash
7
Which of the following is NOT effective as a soil amendment and a fertilizer?
Manure
Biosolids-based products
Peat
Compost
8
Which of the following is NOT an advantage of inorganic fertilizers?
Exact amounts of nutrients are given on the fertilizer bag
They are beneficial in adding organic matter to the soil
Mass production has made industry more cost efficient
They are quickly available to plants for nutrient uptake
9
Which of the following is NOT a primary nutrient?
nitrogen
potassium
phosphorus
calcium
10
Which of the following terms refers to the size of soil particles?
soil structure
soil composition
soil texture
soil pH
11
All but which of the following is a non-mineral nutrient?
Oxygen
Carbon
Hydrogen
Argon
12
Which of the following best describes leaching?
Nutrients accumulate in water & supplied to plants in soil
Nutrients come from groundwater & streams & appear in soil
Water brings nutrients from below plant roots to plants
Water carries nutrients below roots so they're unavailable
13
Which of the following is a true statement about fertilizers?
Fertilizers guarantee a minimum percentage of nutrients
nutrient content of inorganic fertilizers is not well known
Applying heavy amounts of fert. is always good for plants
Inorganic gives nutrients but mainly affect soil properties
14
Which of the following is NOT a plant tissue sample which can be collected for analysis?
The outermost undamaged leaf
The newest leaf on the plant
The top of the plant
The most recently matured leaf
15
Which of the following is a true statement?
Soil tests are most useful during the growing season
Plant tissue analysis is best indicator of soil nutrients
soil test & plant tissue analysis combo give best results
Soil test are useful in growing season to predict lime needs
16
Which of the following is NOT a characteristic of organic matter?
Organic matter improves water infiltration
Organic matter improves soil aeration
Organic matter improves water & nutrient-holding capacity
Organic matter rids soil of organisms: aids soil fertility
17
Which of the following is NOT true about soil sampling?
It can determine the most current fertility status of soil
It helps prevent over-usage of fertilizers
It can indicate the amount of available nutrients in soil
It is expensive and not an accurate indicator of soil pH
18
When is the best time to test soil?
In the winter or during growing season
After harvest and before fall or spring fertilization
Right after fertilizer application
When soil is very wet
19
Which of the following best describes soil fertility?
measure of soil quality which stays constant through season
quality or ability of a soil to provide nutrients to plants
The amount of nutrients available in a soil
cheap way to maintain plant health and maximize productivity
20
Which of the following is NOT true about soil pH?
Soil pH does not affect the availability of nutrients
It is a measure of the alkalinity or acidity of soil
Acidic soil has a pH less than seven
When pH is high, micronutrients tend to be less available
21
Which of the following is NOT true about primary nutrients?
They consist of nitrogen, phosphorus and potassium
They are usually supplied by fertilizer application
They are a group of macronutrients
They are needed in small quantities
22
Fertile soil should contain all BUT which of the following?
Tightly compacted soil structure
Microbial communities
Sufficient nutrients and minerals
Proper pH balance
23
Which of the following is another name for micronutrients?
non-mineral nutrients
trace elements
small nutrients
major nutrients
24
How are plants supplied with non-mineral nutrients?
fertilizers AND soil amendments
Soil amendments
Water and air
Fertilizers
25
Which of the following is NOT a type of soil aggregate?
platy
blocky
crumby
granular
26
Which of the following is a true statement about organic fertilizer?
Organic fertilizer is produced artificially
Organic fertilizer is composed of materials found in nature
Organic fertilizer is also known as a commercial fertilizer
Organic fertilizer is not certified by the USDA
27
Which type of nutrients is needed in large amounts by plants?
macronutrients
micronutrients
non-mineral nutrients
secondary nutrients
28
Which of the following is NOT a factor to consider when selecting soil amendments?
Soil texture
pH of the amendment
Soil structure
Soil salinity
29
Which of the following is NOT a secondary macronutrient?
copper
calcium
sulfer
magnesium
30
Which of the following is NOT a correct statement for plant tissue sampling procedures?
Samples should be taken between mid-morning & mid-afternoon
Taking any plant part for sampling is acceptable
Rainy weather should be avoided when taking samples
Plant tissue samples should be free of soil particles
31
Which of the following is NOT a true statement about fertilizers?
Inorganic fertilizers are an inexpensive way to supplement
Organic fertilizers are growing in popularity
Organic fertilizers are more apt to leach nutrients
Improper app of fertilizers can have many negative effects
32
What is the optimum pH range for most plants?
6.0 - 7.5
5.0 - 6.5
5.5 - 6.5
6.5 - 7.5
33
Which of the following is NOT a common problem associated with inorganic fertilizers?
They are often subject to leaching
They can cause toxic residues to appear in fruits & veg
They can dry out, or desiccate, seedlings and young plants
May give insufficient nutrients & deplete nitrogen in soil
34
Which of the following is a true statement about soil?
Soil structure and pH determine nutrient availability
Ideal soil contains equal parts sand, silt, & a lot of clay
It must contain water, nutrients, and organisms to produce
When nutrients leach from soil it prevents nutrient toxicity
35
Which of the following is a NOT a true statement about fertilizers?
Inorganic fertilizers are also known as commercial/synthetic
When applied properly, ferts are safe for plants and enviro
Urea is a synthesized inorganic substance
Organic ferts have increased crop yields during last 100 yrs

Fertilizers and Soil Amendments Flashcards | StudBud