Soil Basics
A soil pH below 7 is described by this term.
What is acidic?
This establishment method is generally the least expensive.
What is seeding?
Never remove more than this fraction of a leaf blade in one mowing.
What is one-third?
Remove these two surface materials before collecting a turf soil sample.
What are grass and thatch?
The three fertilizer analysis numbers represent these nutrients, in order.
What are nitrogen, phosphorus, and potassium?
A soil pH of exactly 7 is described by this term.
What is neutral?
This establishment method provides immediate turf coverage.
What is sodding?
In order for grass to have a clean cut, you must need ______ mower blades.
What are sharp mower blades?
Collect soil from this depth for the composite sample described on the test.
What is the upper 4–6 inches?
The first number in a 20–5–10 fertilizer tells you it contains this percentage of nitrogen.
What is 20%?
A soil pH above 7 is described by this term.
What is alkaline?
Compared with seeding, sodding usually has this disadvantage financially.
What is a higher cost?
________ mower blades tear and shred leaves, creating brown or white tips and increasing stress.
What are dull mower blades?
A composite sample combines several samples collected from areas with these characteristics.
What are similar conditions?
Explain all four percentage portions of a 20–5–10 fertilizer, including the remaining carrier material.
What are 20% nitrogen, 5% phosphate, 10% potash, and 65% carrier and other materials?
The loam example on the test contains these percentages of sand, silt, and clay.
What are 40% sand, 40% silt, and 20% clay?
This seed product contains multiple cultivars of the same species.
What is a seed blend?
What 2 passes are your first mowing passes when maintaining turfgrass?
What is two perimeter passes?
Soil pH affects how readily turfgrass can obtain these essential substances.
What are nutrients?
This many pounds of nitrogen are in a 50-pound bag of 20–5–10 fertilizer.
What are 10 pounds?
Give the approximate percentages of mineral material, organic matter, water, and air in the healthy surface-soil model.
What are 45% mineral material, 5% organic matter, 25% water, and 25% air?
Explain the difference between a seed blend and a seed mixture.
What is a blend contains cultivars of one species, while a mixture contains two or more species?
Give the typical mowing heights listed for golf greens, fairways, and roughs.
What are greens: approximately 0.125 inch; fairways: 0.5–0.75 inch; roughs: 1.5–2.5 inches?
Name one of four things affected by soil pH
What are nutrient availability, root growth, microorganism activity, and fertilizer effectiveness?
Give the pounds of nitrogen, phosphate, and potash in a 50-pound bag of 20–5–10 fertilizer.
What are 10 pounds nitrogen, 2.5 pounds phosphate, and 5 pounds potash?