Question: A soil test report with a pH of 7.2 is:

Answer: Mildly alkaline.

Question: If Vijay wishes to add weight to keep his gallon nursery stock from blowing over, what should he add to his soiless mix at planting?

Answer: Bark

Question: Marcy mixes perlite in her soiless mix. What is perlite?

Answer: Natural volcanic rock

Question: Pedro likes to add compost to condition his soil. What is compost?

Answer: Decayed organic matter

Question: Perlite and vermiculite are MOST likely examples of:

Answer: Soilless growing media.

Question: Suzie likes to use a commercial blend of horticulture soil. She can depend on the pH of the product being:

Answer: Neutral.

Question: The high carbon to nitrogen ratio of non- decomposed sawdust and wood shavings affects nitrogen in growing media by:

Answer: Making it unavailable for plant use.

Question: The pH test on a soil sample determines the:

Answer: Acidity or alkalinity.

Question: Which is a better ORGANIC material for use in a growing media?

Answer: Bark

Question: Which is a light-weight inorganic mica mineral capable of absorbing a large amount of water in growing media?

Answer: Vermiculite.

Question: Which is the BEST growing media if an INORGANIC media is desired?

Answer: Vermiculite

Question: Which is the BEST growing media if an INORGANIC media is desired?

Answer: Perlite

Question: Which is the MOST likely effect of adding perlite to the growing media?

Answer: Increases drainage

Question: While the pH of MOST commercial horticulture soiless mixes is neutral, the pH of bark, peat moss and sphagnum moss is:

Answer: Acid.

Question: Zoey prefers to use a soiless horticultural mix for his greenhouse because the mix:

Answer: Is sterile.

Question: A soil test report will include:

Answer: Suggested fertilizer rate.

Question: A typical soil profile has at LEAST three layers in this order starting at the soil surface:

Answer: Topsoil, subsoil and bedrock.

Question: Clayey textured soils are characterized by:

Answer: Having high moisture-holding capacity.

Question: Compared to other layers of a typical soil profile, the amount of organic matter in the O horizon is:

Answer: More.

Question: Mark needs to take some soil samples from his lawn and some from a field where he grows vegetables. Compared to the field samples, his samples from the lawn should be taken:

Answer: About 2 inches shallower.

Question: Most flowers, shrubs and lawn grasses grow best in a pH ranging from:

Answer: 5.5 to 7.0.

Question: Rory is studying the pH scale. What number represents neutral?

Answer: 7

Question: The MOST desirable soil for non-container outdoor plant production is:

Answer: loam

Question: Wendy has problems getting flowers to grow in one of her flower beds. If she wants to send a soil sample to the laboratory to get recommendations to correct her problem, she should take cores or slices of soil from:

Answer: the problem flower bed

Question: What is the texture of soils that have about equal parts of sand, clay and silt?

Answer: Loamy

Question: What is the percentage of solid soil particles in an ideal soil?

Answer: 50

Question: When indicating or measuring pH, the lower the pH number, the:

Answer: More acidic.

Question: When measuring pH, the higher the soil pH number, the:

Answer: More alkaline.

Question: Which is a characteristic of sandy textured soils?

Answer: Low moisture-holding capacity

Question: Which pH reading is acid?

Answer: 3.5

Question: Which soil particles are the SMALLEST?

Answer: clay

Question: Which pH reading is alkaline?

Answer: 9

Question: A nutrient deficiency occurs when a plant is getting:

Answer: Less nutrients than it needs to live and grow.

Question: Almost every nutrient deficiency causes a plant to:

Answer: Look unhealthy.

Question: If a plant has a phosphorus deficiency, a symptom that usually appears is:

Answer: Purplish color in older leaves.

Question: Some plant nutrients are called macronutrients because they are:

Answer: Used by the plants in large amounts.

Question: The three primary nutrients necessary for plant growth are:

Answer: Nitrogen, phosphorus and potassium.

Question: What is the function of nitrogen in plant growth?

Answer: Produce healthy green color

Question: What quantity of chlorine is the most common problem related to chlorine in greenhouse plant production?

Answer: too much

Question: When a plant has yellow leaves caused by a nutrient deficiency, the condition is called:

Answer: Chlorosis.

Question: Which elements do plants need in the smallest amounts?

Answer: Micronutrients

Question: Which group of nutrients are non-mineral elements?

Answer: Carbon, hydrogen and oxygen

Question: Which of these groups are micronutrients?

Answer: Copper, manganese and zinc

Question: Which of these nutrients do plants need in the greatest quantity?

Answer: Nitrogen

Question: An advantage of organic fertilizer is that it:

Answer: Improves the physical condition of soil.

Question: Most commercial chemical fertilizers are:

Answer: Inorganic fertilizers.

Question: Soluble fertilizers dissolve in:

Answer: water

Question: The analysis of a fertilizer shows the percent by weight of:

Answer: Nitrogen, phosphorus and potassium.

Question: What is the ratio of a 10-10-20 fertilizer?

Answer: 0.0423842592592593

Question: Which is the analysis of an incomplete fertilizer?

Answer: 15-0-14

Question: Anna is using foliar spraying to fertilize her petunias. The nutrients she is adding are probably:

Answer: Micronutrients.

Question: Bill uses a fertilizer spreader to cover his entire nursery soil. The fertilization method he is using to spread or apply the granular fertilizer is:

Answer: Broadcasting.

Question: Ginger has symptoms of a micronutrient deficiency in the bedding plants. Which fertilization method should she use to quickly address this problem?

Answer: Foliar spraying

Question: If Jackie wants to combine watering and fertilizing in her commercial greenhouse, she would need to use a:

Answer: Fertilizer injector.

Question: Ike needs a simple, relatively inexpensive venturi-type proportioner to mix his concentrated liquid fertilizer in the watering system of his greenhouse. Which of these should he choose?

Answer: Hozon proportioner

Question: Kayla has a 25,000 square foot lawn. If her soil test report recommends one pound of nitrogen per 1,000 square feet, how many pounds of nitrogen will she need?

Answer: 25

Question: Kendra's soil test report recommends one pound of nitrogen per 1,000 square feet of turfgrass. If her lawn is 32,000 square feet, how many pounds of nitrogen would she use? 1

Answer: 32

Question: Mona uses a Smith injector to proportion her concentrated liquid fertilizer into her greenhouse watering system. What type proportioner or injector does she use?

Answer: Positive-displacement proportioner

Question: Neil is placing a band of fertilizer on each side of seeds he is sowing. He needs to be certain that the seeds are not in the fertilizer and that the fertilizer is NOT directly below the seeds to prevent:

Answer: Damage to plants.

Question: Nina wants to fertilize and irrigate her plants at the same time. Which fertilization method should she use?

Answer: Fertigation

Question: Rebekah selected a very accurate proportioner or injector to mix concentrated liquid fertilizer in the watering system of her greenhouse. Which of these did she select?Correct!

Answer: Commander proportioner

Question: Sandi needs to drill holes about fifteen inches deep, put granular fertilizer in the holes and cover the holes under her peach trees. Which fertilization method does she need to use?

Answer: Perforating