Nutrient Defciencies
Soil pH & Fertility
Fertilizer Type
Irrigation Method
Application
Techni
100

What are the symptoms of Nitrogen deficiency in plants?

Leaves become light green and growth is stunted; yellowing starts at the bottom while the top remains green.

100

What pH value is considered neutral?

  • Answer: 7.0 is considered neutral on the pH scale.
100

What are the three primary macronutrients?

  • Answer: The three major macronutrients are Nitrogen (N), Phosphorus (P), and Potassium (K).
100

What is furrow irrigation?

  • Answer: Furrow irrigation involves running water through narrow channels or furrows between crop rows.
100

What is broadcast fertilizing?

  • Answer: Broadcast fertilizing involves uniformly spreading fertilizer over the surface of a field.
200

Which primary macronutrient deficiency causes purple foliage?

Phosphorus deficiency can cause purple foliage.

200

What can be added to soil with low pH to adjust it?

  • Answer: Lime can be added to soil with low pH to adjust it.
200

 What is a complete fertilizer?

  • Answer: A complete fertilizer contains all three primary macronutrients (N-P-K).
200

How does drip irrigation work?

  • Answer: Drip irrigation involves the frequent, slow application of water through tubing at low pressure near the plant root
200

How does side-dressing differ from top-dressing?

  • Answer: Sidedressing applies fertilizer to one side and below the level of the crop while topdressing applies fertilizer over a growing crop.
300

What deficiency might cause leaves to turn yellow between veins?

Magnesium deficiency causes leaves to turn yellow between veins.


300

How long can soil correcting take?


  • Answer: Soil correcting can take up to one or two years.
300

What is the N-P-K value for Urea?

  • Answer: Urea has an N-P-K value of 46-0-0
300

What method uses narrow strips of land leveled across the slope?

Answer: Basin irrigation uses leveled strips of land across the slope to hold water.

300

What is injection fertilization?

 Injection fertilization places liquid or gaseous fertilizer below the soil near the roots.

400

What are the symptoms of Magnesium deficiency in plants?

Magnesium deficiency symptoms include yellowing between veins of leaves, often curling upwards.


400

Why is it important to conduct soil testing?

  • Answer: Soil testing is important to determine nutrient needs and manage crops effectively.
400

What form of fertilizer is Diammonium Phosphate?

  • Answer: Diammonium Phosphate is available in liquid form.
400

What is the benefit of surge flooding in irrigation?

  • Answer: Surge flooding allows for water to be released in intervals, reducing runoff and improving infiltration.
400

Explain band application.

Band application refers to placing fertilizer in bands below the seed level at planting.

500

What are the deficiency symptoms associated with a lack of Potassium?

Potassium deficiency symptoms include weak stems, brown areas on leaf tips, and small shriveled fruit

500

What does a soil test report help determine?


  • Answer: A soil test report helps determine the correct amount of fertilizer needed for crops.
500

Describe the characteristics of Anhydrous Ammonia.

  • Answer: Anhydrous Ammonia is a colorless, highly irritating gas with a suffocating odor.
500

Describe the advantages of using a fertigation system.

Answer: A fertigation system allows for applying nutrients close to the time the plants have the greatest need.

500

Why is starter fertilizing important for young seedlings?

Starter fertilizing is essential for providing immediate nutrient availability to young seedlings.