Hort 1 Unit 6 Review

The three primary nutrients necessary for plant growth are:

• Boron, calcium, and iron

• Chlorine, Sulfer, and zinc

• Magnesium, manganese, and and molybdenum

• Nitrogen, Phosphorus, and potassium

Which elements do plants need in the smallest amounts?

• Macronutrients

• Micronutrients

• Primary elements

• Secondary elements

Calcium, magnesium, and sulfur are:

• Macronutrients

• Micronutrients

• Primary elements

• Secondary elements

If Adonia wants to combine watering and fertilizing in her commercial greenhouse, she most likely needs to use a:

• Drop-type spreader

• Fertilizer injector

• Handheld rotary Spreader

• Sprinkling can

Which is true of macronutrients?

• All six are listed on the fertilizer label

• They are present in the soil in the smallest amounts

• They are used by the plants in large amounts

• They are used by the plants in small amounts

The analysis of a fertilizer shows the amount of:

• Boron, calcium, and water

• Carbon, hydrogen, and oxygen

• Nitrogen, phosphorus, and potassium

• Zinc, sulfur, and iron

Denton places a band of fertilizer on each side of seeds he is sowing. He is certain that the seeds are not in the fertilizer, which is about 2" directly below the seeds, to prevent:

• Damage to the plants

• Nutrient deficiencies

• Rapid Growth

• Water absorption

Sue uses a fertilizer that promotes early formation and growth of roots and increases the plant's hardiness and disease resistance vigor. Her fertilizer will most likely contain what primary element?

• Boron

• Chlorine

• Phosphorus

• Zinc

Which group includes micronutrients?

• Carbon, hydrogen, and oxygen

• Copper, manganese, and zinc

• Nitrogen, phosphorus, and potassium

• Sulfur, magnesium, and water

Soluble fertilizers dissolve in:

• Air

• Ammonia

• Hydrogen

• Water