Soils - Plant Nutrition

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| By Mike13815

Mike13815

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Quizzes Created: 1 | Total Attempts: 694

Questions: 5 | Attempts: 695 | Updated: Mar 20, 2023

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Soil is a major source for the nutrients that are essential for plant growth. It is possible for the soil to lose its nutrients for example due to erosion. How well did you understand the third soil nutrients PowerPoint we covered in depth? Take up this study game before the next soil class.

Questions and Answers

1.

Which of the following situations would applying Lime to a field benefit the crop?
- A.
  
  Soil tests show pH lower than desired
- B.
  
  Constant standing surface water
- C.
  
  High "Buffering Capacity"
- D.
  
  Soil tests show the pH higher than desired
Correct Answer
A. Soil tests show pH lower than desired

Explanation
Secondary Nutrients are the second most important nutrients for the life cycle of a plant. They are complimentary, and not often limiting.

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2.

Which 2 are considered Secondary Nutrients?
- A.
  
  Iron
- B.
  
  Magnesium
- C.
  
  Potash
- D.
  
  Sulfur
- E.
  
  Chlorine
Correct Answer(s)
B. Magnesium
D. Sulfur

Explanation
Secondary Nutrients are the second most important nutrients for the life cycle of a plant. They are complimentary, and not often limiting.

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1
0
3.

Name The Deficiency _{-Weakened cell walls} _-Shriveling _{-Wilting and water stress}
- A.
  
  Iron
- B.
  
  Sulfur
- C.
  
  Calcium
- D.
  
  Chlorine
- E.
  
  Magnesium
Correct Answer
C. Calcium

Explanation
Calcium deficiency can weaken cell walls in plants, leading to various symptoms such as shriveling, wilting, and water stress. Calcium is an essential nutrient for plants, as it plays a crucial role in maintaining the structure and integrity of cell walls. When plants lack sufficient calcium, their cell walls become weak and unable to support the plant's tissues, resulting in the observed symptoms. Therefore, calcium deficiency is the most likely explanation for the given symptoms.

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4.

Name The Deficiency _{-Rare and often misdiagnosed} _{-Reduced chlorophyll} _{-Poor root formation} _{-Delayed maturity} _{-Legumes and Brassicas particularly susceptible}
- A.
  
  Iron
- B.
  
  Sulfur
- C.
  
  Calcium
- D.
  
  Chlorine
- E.
  
  Magnesium
Correct Answer
C. Calcium

Explanation
Calcium deficiency is rare and often misdiagnosed. It is characterized by reduced chlorophyll, poor root formation, delayed maturity, and legumes and brassicas being particularly susceptible. Calcium is an essential nutrient for plants as it helps in cell wall formation, enzyme activation, and nutrient uptake. When there is a deficiency of calcium, these processes are disrupted, leading to the aforementioned symptoms. Therefore, calcium deficiency is the correct answer.

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5.

Name The Deficiency _{-Yellow stripes on leaves (intervenal chlorosis)} _{-Reduced chlorophyll} _{-Poor resistance to stress} _{-Fruit quality suffers} _{-Thin-skinned grapes} _{-Watery tomatoes}
- A.
  
  Potash
- B.
  
  Iron
- C.
  
  Sulfur
- D.
  
  Calcium
- E.
  
  Magnesium
Correct Answer
E. Magnesium

Explanation
The yellow stripes on leaves, known as intervenal chlorosis, indicate a deficiency in magnesium. Magnesium is an essential nutrient for plants and is required for the production of chlorophyll, the pigment responsible for the green color in leaves. When there is a lack of magnesium, chlorophyll production is reduced, leading to the yellowing of leaves. Additionally, magnesium plays a crucial role in various metabolic processes in plants, including stress resistance and fruit quality. A deficiency in magnesium can result in thin-skinned grapes and watery tomatoes.

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Soils - Plant Nutrition

Which of the following situations would applying Lime to a field benefit the crop?

Which 2 are considered Secondary Nutrients?

Name The Deficiency -Weakened cell walls -Shriveling -Wilting and water stress

Name The Deficiency -Rare and often misdiagnosed -Reduced chlorophyll -Poor root formation -Delayed maturity -Legumes and Brassicas particularly susceptible

Name The Deficiency -Yellow stripes on leaves (intervenal chlorosis) -Reduced chlorophyll -Poor resistance to stress -Fruit quality suffers -Thin-skinned grapes -Watery tomatoes

Name The Deficiency _{-Weakened cell walls} _-Shriveling _{-Wilting and water stress}

Name The Deficiency _{-Rare and often misdiagnosed} _{-Reduced chlorophyll} _{-Poor root formation} _{-Delayed maturity} _{-Legumes and Brassicas particularly susceptible}

Name The Deficiency _{-Yellow stripes on leaves (intervenal chlorosis)} _{-Reduced chlorophyll} _{-Poor resistance to stress} _{-Fruit quality suffers} _{-Thin-skinned grapes} _{-Watery tomatoes}