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WorksheetsPlant Nutrition
Total questions: 16
Worksheet time: 9mins
Which of the following crops is a legume?
Corn
Wheat
Soybean
Sugar beet
Legumes have which of the following characteristics?
Produce seeds in pods.
Fix nitrogen in association with rhizobia.
Include plants like alfalfa and clover.
Include plants like corn and oats.
The numbers 10-10-10 in a fertilizer analysis refer to which three nutrients?
Phosphorus
Sulfur
Nitrogen
Potassium
Which of the following corn plants shows a nitrogen deficiency?
Which picture shows a phosphorus deficiency in corn?
Which picture shows a potassium deficiency in corn?
Which of the following corn plants shows a sulfur deficiency?
Plant growth is restricted by the nutrient in shortest supply, aka ___________.
nitrogen
the most limiting nutrient
the starving nutrient
water
Legumes provide a nitrogen credit to crops grown in the same field the following season.
True
False
The industrial process of fixing nitrogen is called:
The German Process
The Rhizobia Machine
The Ford-Smith Procedure
The Haber-Bosch Process
Nitrogen is fixed from the atmosphere by which of the following?
The Haber-Bosch Process
Rhizobia bacteria
Lightning
All of the above.
Which two nutrients are the main causes of algae blooms?
Sulfur
Nitrogen
Potassium
Phosphorus
Which of the following is a micronutrient?
Nitrogen
Calcium
Copper
Sulfur
Which of the following is true about nitrogen?
It's mobile in the plant.
Deficiency symptoms start on the lower leaves.
It's generally the nutrient needed in the greatest quantities.
All of the above.
pH can affect nutrient availability.
True
False
Plants require the same levels of nutrients no matter the life stage.
True
False
