Question 1

A grass cover crop grown on cropland over the winter season in a humid temperate region can be expected to ______

Accepted Answer

A)  increase nutrient concentrations in runoff water 
B)  significantly reduce the amount of water percolating to the water Table 
C)  significantly reduce the amount of nitrogen fertilizer that will be needed to grow the following crop 
D)  reduce the amount of nutrients leached to the groundwater 
E)  all of the above 
A)  increase nutrient concentrations in runoff water 
B)  significantly reduce the amount of water percolating to the water Table 
C)  significantly reduce the amount of nitrogen fertilizer that will be needed to grow the following crop 
D)  reduce the amount of nutrients leached to the groundwater 
E)  all of the above D

Question 2

Perforation placement is usually used to fertilize _____.

Accepted Answer

A)  row crops 
B)  turfgrass 
C)  landscape trees 
D)  forests 
A)  row crops 
B)  turfgrass 
C)  landscape trees 
D)  forests C

Question 3

Broadcast application usually requires less fertilizer to achieve a given level of plant response than does banding.

Accepted Answer

A) True 
 B)False  False

Question 4

Within the technical capabilities of the particular lab, most soil test results can be best interpreted as indicating the _______________________.

Accepted Answer

A)  total amount of each nutrient in the soil 
B)  amount (lbs or kg ) of nutrient present in plant available forms 
C)  amount or concentration of nutrient in the soil solution 
D)  probability (likelihood) that nutrient application will improve plant growth 
E)  amount of nutrient needed to achieve balanced soil fertility 
A)  total amount of each nutrient in the soil 
B)  amount (lbs or kg ) of nutrient present in plant available forms 
C)  amount or concentration of nutrient in the soil solution 
D)  probability (likelihood) that nutrient application will improve plant growth 
E)  amount of nutrient needed to achieve balanced soil fertility

Question 5

Buffer strips principally function in nutrient management to _______.

Accepted Answer

A)  recycle non-renewable nutrients 
B)  enrich the soil with nutrients that are needed for optimum plant growth 
C)  prevent the transport of nutrients from fields to streams 
D)  slow the movement of potential pollutants to the groundwater 
E)  all of the above 
A)  recycle non-renewable nutrients 
B)  enrich the soil with nutrients that are needed for optimum plant growth 
C)  prevent the transport of nutrients from fields to streams 
D)  slow the movement of potential pollutants to the groundwater 
E)  all of the above

Question 6

Integrated nutrient management seeks to apply, as fertilizer, enough of each nutrient to replace that removed from the soil by plant uptake.

Accepted Answer

A) True 
 B)False

Question 7

The cost of fertilizer is the main consideration of nutrient management for most ornamental landscaping applications.

Accepted Answer

A) True 
 B)False

Question 8

A cover crop is usually grown for the purpose of _________.

Accepted Answer

A)  improving soil quality 
B)  saving or recycling nutrients 
C)  covering expenses for pollution control measures 
D)  A and B 
E)  all of the above 
A)  improving soil quality 
B)  saving or recycling nutrients 
C)  covering expenses for pollution control measures 
D)  A and B 
E)  all of the above

Question 9

Well-vegetated buffer strips 10 to 20 meters wide can be expected to reduce the total N content of runoff water by about ______.

Accepted Answer

A)  10% 
B)  20% 
C)  40% 
D)  60% 
E)  90% 
A)  10% 
B)  20% 
C)  40% 
D)  60% 
E)  90%

Question 10

Concentrated animal production as is practiced in modern industrial agriculture usually results in ______.

Accepted Answer

A)  nutrient excesses in the area of the livestock operation 
B)  depletion of nutrients from the soils in the vicinity 
C)  insufficient manure production to properly fertilize cropland on the livestock farm 
D)  nutrient exports from the operation that exceed imports 
E)  both C and D 
A)  nutrient excesses in the area of the livestock operation 
B)  depletion of nutrients from the soils in the vicinity 
C)  insufficient manure production to properly fertilize cropland on the livestock farm 
D)  nutrient exports from the operation that exceed imports 
E)  both C and D

Question 11

For most soils, even if they test "high" in a nutrient such as potassium or nitrogen, it is necessary to apply at least as much of each nutrient as is removed in the harvest, if the soil is not to eventually become infertile and unproductive.

Accepted Answer

A) True 
 B)False

Question 12

Most research has shown that at both high and low fertilization levels, about 15 to 20% of the nitrogen applied as fertilizer will be lost by leaching from medium textured soils growing corn.

Accepted Answer

A) True 
 B)False

Question 13

For a year or so after clear-cut (even-aged) harvesting large areas of mature forest, the streams draining the watershed can be expected to carry ______ than before the harvest.

Accepted Answer

A)  much less water 
B)  a much greater total nitrate load 
C)  much less calcium and other cations 
D)  away enough pollutants to reduce the toxic load to levels lower 
E)  all of the above 
A)  much less water 
B)  a much greater total nitrate load 
C)  much less calcium and other cations 
D)  away enough pollutants to reduce the toxic load to levels lower 
E)  all of the above

Question 14

Fertilization to supply the nutrient element iron is often accomplished by which type of application?

Accepted Answer

A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil 
A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil

Question 15

Many years of research have confirmed that the quadratic (parabolic curve) model is the best method of making fertilizer recommendations based on response curves, especially if environmental quality is a high priority.

Accepted Answer

A) True 
 B)False

Question 16

Fertilization to supply the nutrient element sulfur is often accomplished by which type of application?

Accepted Answer

A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil 
A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil

Question 17

Fertilization to supply the nutrient element potassium is often accomplished by which type of application?

Accepted Answer

A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil 
A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil

Question 18

Fertilization to supply the nutrient element nitrogen is often accomplished by which type of application?

Accepted Answer

A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil 
A)  injection of a gas into the soil 
B)  broadcast of a chloride salt 
C)  broadcast of the nearly pure element as a solid 
D)  incorporation of powdered limestone rock 
E)  application of a chelate to the soil

Question 19

To monitor the effects of management on soil fertility, it is best to sample the soils in an area _______.

Accepted Answer

A)  every one to three years 
B)  at the same season every time 
C)  from the same depth every time 
D)  all of the above 
E)  none of the above 
A)  every one to three years 
B)  at the same season every time 
C)  from the same depth every time 
D)  all of the above 
E)  none of the above

Question 20

The primary means to avoid non-point source nitrogen and phosphorus pollution in agricultural watersheds is to avoid applications that bring the available supply of these nutrients in soils to amounts higher that can be used by crop plants.

Accepted Answer

A) True 
 B)False

A grass cover crop grown on cropland over the winter season in a humid temperate region can be expected to ______

Perforation placement is usually used to fertilize _____.

Broadcast application usually requires less fertilizer to achieve a given level of plant response than does banding.

Within the technical capabilities of the particular lab, most soil test results can be best interpreted as indicating the _______________________.

Buffer strips principally function in nutrient management to _______.

Integrated nutrient management seeks to apply, as fertilizer, enough of each nutrient to replace that removed from the soil by plant uptake.

The cost of fertilizer is the main consideration of nutrient management for most ornamental landscaping applications.

A cover crop is usually grown for the purpose of _________.

Well-vegetated buffer strips 10 to 20 meters wide can be expected to reduce the total N content of runoff water by about ______.

Concentrated animal production as is practiced in modern industrial agriculture usually results in ______.

For most soils, even if they test "high" in a nutrient such as potassium or nitrogen, it is necessary to apply at least as much of each nutrient as is removed in the harvest, if the soil is not to eventually become infertile and unproductive.

Most research has shown that at both high and low fertilization levels, about 15 to 20% of the nitrogen applied as fertilizer will be lost by leaching from medium textured soils growing corn.

For a year or so after clear-cut (even-aged) harvesting large areas of mature forest, the streams draining the watershed can be expected to carry ______ than before the harvest.

Fertilization to supply the nutrient element iron is often accomplished by which type of application?

Many years of research have confirmed that the quadratic (parabolic curve) model is the best method of making fertilizer recommendations based on response curves, especially if environmental quality is a high priority.

Fertilization to supply the nutrient element sulfur is often accomplished by which type of application?

Fertilization to supply the nutrient element potassium is often accomplished by which type of application?

Fertilization to supply the nutrient element nitrogen is often accomplished by which type of application?

To monitor the effects of management on soil fertility, it is best to sample the soils in an area _______.

The primary means to avoid non-point source nitrogen and phosphorus pollution in agricultural watersheds is to avoid applications that bring the available supply of these nutrients in soils to amounts higher that can be used by crop plants.

The Soils Around Us

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

Soil and the Hydrologic Cycle

Soil Aeration and Temperature

The Colloidal Fraction: Seat of Soil Chemical and Physical Activity

Soil Acidity, Alkalinity, Aridity and Salinity

Organisms and Ecology of the Soil

Soil Organic Matter Overview

Nutrient Cycles and Soil Fertility

Soil Erosion and Its Control

Soils and Chemical Pollution

Filters

Exam 13: Practical Nutrient Management

A grass cover crop grown on cropland over the winter season in a humid temperate region can be expected to ______

Perforation placement is usually used to fertilize _____.

Broadcast application usually requires less fertilizer to achieve a given level of plant response than does banding.

Within the technical capabilities of the particular lab, most soil test results can be best interpreted as indicating the _______________________.

Buffer strips principally function in nutrient management to _______.

Integrated nutrient management seeks to apply, as fertilizer, enough of each nutrient to replace that removed from the soil by plant uptake.

The cost of fertilizer is the main consideration of nutrient management for most ornamental landscaping applications.

A cover crop is usually grown for the purpose of _________.

Well-vegetated buffer strips 10 to 20 meters wide can be expected to reduce the total N content of runoff water by about ______.

Concentrated animal production as is practiced in modern industrial agriculture usually results in ______.

For most soils, even if they test "high" in a nutrient such as potassium or nitrogen, it is necessary to apply at least as much of each nutrient as is removed in the harvest, if the soil is not to eventually become infertile and unproductive.

Most research has shown that at both high and low fertilization levels, about 15 to 20% of the nitrogen applied as fertilizer will be lost by leaching from medium textured soils growing corn.

For a year or so after clear-cut (even-aged) harvesting large areas of mature forest, the streams draining the watershed can be expected to carry ______ than before the harvest.

Fertilization to supply the nutrient element iron is often accomplished by which type of application?

Many years of research have confirmed that the quadratic (parabolic curve) model is the best method of making fertilizer recommendations based on response curves, especially if environmental quality is a high priority.

Fertilization to supply the nutrient element sulfur is often accomplished by which type of application?

Fertilization to supply the nutrient element potassium is often accomplished by which type of application?

Fertilization to supply the nutrient element nitrogen is often accomplished by which type of application?

To monitor the effects of management on soil fertility, it is best to sample the soils in an area _______.

The primary means to avoid non-point source nitrogen and phosphorus pollution in agricultural watersheds is to avoid applications that bring the available supply of these nutrients in soils to amounts higher that can be used by crop plants.

The Soils Around Us

Formation of Soils From Parent Materials

Soil Classification

Soil Architecture and Physical Properties

Soil Water: Characteristics and Behavior

Soil and the Hydrologic Cycle

Soil Aeration and Temperature

The Colloidal Fraction: Seat of Soil Chemical and Physical Activity

Soil Acidity, Alkalinity, Aridity and Salinity

Organisms and Ecology of the Soil

Soil Organic Matter Overview

Nutrient Cycles and Soil Fertility

Soil Erosion and Its Control

Soils and Chemical Pollution

Filters