Tanner Manson
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Tanner Manson
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Soil Nutrients and Plant Fertilization Midterm II

Question 1 of 25

1

Select from the dropdown lists to complete the text.

In a single year, uncovered manure loses ( 3, 6, 1 ) % of solid mass: ( 10, 15, 50, 5 ) % of the total Nitrogen content, 3% of the total ( Phosphorus, Nitrogen, Calcium ), and 20% of the total ( Potash, Nitrogen, Water ) content.

Explanation

Question 2 of 25

1

Select from the dropdown lists to complete the text.

For each of the following materials, determine if it is a "brown" or a "green" nitrogen contributor.
Manure ( Green, Brown )
Wood chips ( Brown, Green )
High Nitrogen material ( Green, Brown )
Low Nitrogen material ( Brown, Green )

Explanation

Question 3 of 25

1

Select from the dropdown lists to complete the text.

As a soil nutrient, potassium behaves similarly to ( Phosphorus, Nitrogen ) , because it is found predominantly in ( Mineral, Gaseous, Liquid ) form and is more subject to ( Biological, Chemical, Physical ) weathering processes.

Explanation

Question 4 of 25

1

Select from the dropdown lists to complete the text.

The transformation from sulfites to sulfates is classified as ( biological, physical ) weathering, and is an example of an ( oxidation, reduction, combustion ) process.

Explanation

Question 5 of 25

1

And acre furrow slice is (area)__________________ of soil ______________________ deep.

Select one of the following:

  • 1 acre; 6 inches

  • 1 hectare; 6 inches

  • 1 hectare; 12 inches

  • 1 acre, 12 inches

  • 2 million pounds; 12 inches

Explanation

Question 6 of 25

1

In compost, you want a Carbon/Nitrogen ratio of:

Select one of the following:

  • 50:50

  • 60:1

  • 60%

  • 30:1

Explanation

Question 7 of 25

1

What is the ideal water content in compost?

Select one of the following:

  • 100%

  • 25%

  • 40-60%

  • 60-80%

  • 50%

Explanation

Question 8 of 25

1

How many tons of manure is given on average in a "cow year"?

Select one of the following:

  • 25

  • 10

  • 15

  • 5

  • 20

Explanation

Question 9 of 25

1

Once your compost has cooled, how long should it cure?

Select one of the following:

  • 3-6 months

  • 3 months

  • 1-3 months

  • Not necessary if only vegetable waste

Explanation

Question 10 of 25

1

A hot compost encourages ___________________ processes, and requires temps ______________________ deg F.

Select one of the following:

  • Mesophilic; up to 100

  • Thermophilic; between 110-130

  • Mesophilic; between 90-110

  • Mesophilic; between 110-130

  • Thermophilic; up too 100

Explanation

Question 11 of 25

1

Which is correct regarding S immobilization?

Select one of the following:

  • Soil Sulfur is immobilized by low pH

  • Inorganic S is immobilized when Carbon: Sulfur ratios exceed 80:1

  • Inorganic S is immobilized when Carbon: Sulfur ratios exceed 300:1

  • Organic S is immobilized when Carbon: Sulfur ratios exceed 300:1

Explanation

Question 12 of 25

1

Which is NOT recommended for K management?

Select one of the following:

  • Managing irrigation for more even soil water throughout the growing season

  • Increasing crop residues left on-site

  • Increasing soil acidity

  • Reducing tillage

  • Increasing organic matter

Explanation

Question 13 of 25

1

Which of the following livestock have the lowest N available in the liquid manure form?

Select one of the following:

  • Dairy Cow

  • Chickens

  • Hog

  • Beef Cow

Explanation

Question 14 of 25

1

What are the three main ingredients in compost?

Select one of the following:

  • Water, Organic Matter and Bacteria

  • Water, Oxygen and Organic Matter

  • Organic Matter, Water and Heat

  • Organic Matter, Oxygen and Nitrogen

Explanation

Question 15 of 25

1

Which are uses for Potassium in the plant body? Select all.

Select one or more of the following:

  • Structural in tissue formation

  • Defense against plant diseases

  • Regulation of stoma opening and closing

  • Plant stress mitigation

Explanation

Question 16 of 25

1

You compost pile is too dry and is growing mold on the chunks of organic matter. What's the problem?

Select one of the following:

  • Turning too frequently

  • Not enough brown matter

  • Not turning frequently enough

  • Not enough green matter

Explanation

Question 17 of 25

1

The strong smell that accompanies brassicas like brussel sprouts and cabbage are due to luxury consumption of:

Select one of the following:

  • Potassium

  • Salts

  • Compost

  • Sulfur

  • Organic matter

Explanation

Question 18 of 25

1

Which could be a contributing factor to increasing sulfur deficiencies?

Select one of the following:

  • Removal of S impurities in fertilizers

  • The ability for soils to fix S and removed it from the soil solution

  • High cost of commercial fertilizers with S

  • SO4 resulting in acid rain (sulfuric acid)

Explanation

Question 19 of 25

1

The recommendation for your crop is 160 lbs of P2O5 in order to grow corn this year.
Concentrate Super Phosphate (0-46-0) comes in 50-lb bags, priced at $11 each.
Non-concentrated Super Phosphate (0-20-0) comes in 90-lb bags priced at $5 each.

Which is the cheaper option for meeting your nutrient needs?
Remember: lbs (Nutreint Recomended)/(% Nutrient in Material Used
* (100)

Select one of the following:

  • Concentrated Superphosphate

  • Regular Super Phosphate

  • They cost about the same

Explanation

Question 20 of 25

1

Select from the dropdown lists to complete the text.

You are mixing one ton (2000 lbs) of a 10-10-10 fertilizer.
1. How many pounds of Nitrogen do you need in the final product? ( 200, 150, 250, 100 ) lbs
2. Your Nitrogen component is coming from a pelletized urea, 46-0-0. You need a total of 200 lbs of Nitrogen in the final product. How much of the pelletized urea should you add to your blended fertilizer? ( 218, 435, 310 ) lbs

Explanation

Question 21 of 25

1

Burned lime has a CCE of 179. Are you going to need more of this product or less of this product in comparison to a ground lime stone with a CCE of 100 to meet a liming recommendation?

Select one of the following:

  • The same amount of both

  • More

  • Less

Explanation

Question 22 of 25

1

What are the attributes of a liming product that determines the overall lime score? Select all of the correct answers.

Select one or more of the following:

  • total weight recommended

  • CCE

  • Grade

  • Moisture Content

  • Fineness Factor

Explanation

Question 23 of 25

1

Which of the following is a time that lime should NOT be applied

Select one of the following:

  • Spring before crop planting

  • Fall without fall crop

  • turf that is frozen/frost-covered

  • days exceeding 80 deg F

Explanation

Question 24 of 25

1

Semi-solid cow manure contains ____________________ dry matter.

Select one of the following:

  • More than 25%

  • 2-12%

  • 12-20%

  • 15-29%

Explanation

Question 25 of 25

1

Which of the following can be included in a compost destined for a vegetable garden? (Select all that apply)

Select one or more of the following:

  • Pressure-treated wood more than 10 years old

  • Ash from the wood fire pit

  • Your neighbor's dead hamster

  • End-of-the-year tomatoes with blight

  • Pulled Tansy Ragwort weeds

  • none of these

Explanation

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