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 NOT true about primary nutrients?

They are needed in small quantities

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

They quickly release nutrients for plant uptake

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

Soil amendments are used to improve soil properties

When is the best time to test soil?

After harvest and before fall or spring fertilization

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 true about soil sampling?

It is expensive and not an accurate indicator of soil pH

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 a loam soil?

Soil contains relatively equal amounts of sand, silt & clay

Which of the following is a true statement about soil?

It must contain water, nutrients, and organisms to produce

Which of the following best describes leaching?

Water carries nutrients below roots so they're unavailable

Which of the following best describes soil fertility?

quality or ability of a soil to provide nutrients to plants

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 a true statement about fertilizers?

Fertilizers guarantee a minimum percentage of nutrients

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 plant tissue analysis?

It will identify diseases present in the plant

Fertile soil should contain all BUT which of the following?

Tightly compacted soil structure

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 a NOT a true statement about fertilizers?

Organic ferts have increased crop yields during last 100 yrs

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

Organic fertilizers are more apt to leach nutrients

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

Fertilizers and Soil Amendments Flashcards | StudBud