World of Turf Exam 2 Practice

These questions are part of the practice quiz. Start practicing

• Which management factor most directly influences deeper root growth and drainage in turf soils?
• There was a rapid increase in the number of sod farms in Michigan in the years following the Korean War.
• When used in establishment, what is another term for stolons?
• During turfgrass establishment, which factor beyond soil temperature and moisture is explicitly important?
• Which practice helps ensure uniform water distribution in a compacted turf soil with poor infiltration?
• Next to ____, fertilization is the next most important cultural practice.
• In a rotary mower, cutting occurs when the blade ___ into the grass.
• What is the fifth basic step of IPM?
• What considerations apply when using recycled water for turf irrigation and how can you prevent contamination?
• The original research that formed the basis for the One-Third Rule was done on?
• Is the following statement true or false: Not collecting clippings causes thatch?
• Small amounts of sand incorporated into the top four to six inches can effectively alter soil texture.
• Which element is not presented as a primary growth nutrient in the material?
• What other name do lawn maintenance professionals commonly use for a walk-behind mower with a 2-ft or less swath width?
• What is the recommended depth for sampling turf soils?
• Beal's definition of a weed is a ___ out of ___.
• Weeds are a primary cause of poor turf quality.
• With fertilizer components, slow release and water insoluble are synonymous.
• Which statement about sampling when multiple soil types are present is correct?
• A pupal stage indicates a complete life cycle.
• Approximately how many destructive lawn insects are common in Michigan?
• How should clippings be managed during periods of rapid growth to prevent thatch buildup and disease risk?
• For practical purposes, preemergence herbicides are not an option for controlling broadleaved weeds in turf.
• Which term describes a fertilizer that releases nutrients gradually over time?
• Which of the following times of the year is best for establishing from sod?
• What is the primary difference between pre-emergent and post-emergent weed control in turf management?
• Which element is listed as the one needed in the greatest amount for turfgrass growth and metabolism?
• Preemergence herbicides are generally viable for controlling broadleaf weeds in established turf.
• What is evapotranspiration (ET) and how is it used to create an irrigation schedule for a turf area?
• Which of the following is a listed timing for two fertilizer applications annually?
• The chemical process by which fertilizer burn occurs on the leaves and water and nutrients are absorbed by the roots is the same, albeit in a reverse direction.
• When fertilizer burn occurs or is suspected, what is the best thing to do ASAP, if possible?
• If a fertilizer labeled 20-10-10 is used to supply 0.40 lb of nitrogen per 1,000 square feet, how many pounds of product are needed per 1,000 square feet?
• Which cultural practices promote rapid recovery of turf after wear or injury?
• Which of the following statements about lime and soil pH is true?
• Bayer Advanced Season-Long Grub Control is not effective against adult grubs.
• How can soil compaction and poor aeration exacerbate heat stress in turf during summer?
• For nurseries producing sod, what factors influence root establishment in sod production fields?
• Which basic step concerns evaluating the outcome of pest management actions?
• What conditions are required for successful turfgrass seed germination and establishment?
• Which practice helps minimize spray drift when applying pesticides to turf?
• Which statement accurately defines stolons in turf establishment?
• The statement 'With IPM, doing nothing is not an option' is true or false?
• IPM aims to minimize disruption to the environment during pest management. Which level best describes this disruption?
• Which of the following is not listed as a factor determining soil fertility needs?
• How does mowing height influence turf density, root depth, and disease susceptibility, and what mowing heights are typical for greens, tees, and fairways?
• Grasses are monocotyledon plants.
• Which term describes the action of reducing pest populations to tolerable levels in IPM?
• Soil sampling for turfgrasses should be confined to the top four inches of soil.
• Which holiday period should trigger an insecticide application?
• A complete (complex) life cycle of an insect includes which of the following sets of life stages?
• A basic cultural control to reduce turf disease pressure includes which of the following?
• Which practice helps prevent soil structure decline due to compaction?
• What is a wetting agent and how does it affect water infiltration in compacted soils?
• Existing local laws ban the use of phosphorus for all uses except agricultural production.
• In a commercial turf irrigation system, which component is used to isolate a zone?
• Which statement about repeated scalpings and carbohydrate reserves is correct?
• Which term is not used to describe plant material used in turf establishment?
• If different soil types are present, which sampling approach is correct?
• Which option correctly describes the basis of the One-Third Rule according to the material?
• Sod establishment is more labor intensive than seeding.
• If a fertilizer has an analysis with zero as the middle number, e.g., 15-0-15, then under Michigan law, the product is guaranteed to be phosphorous free.
• Which statement about iron and manganese availability as soil pH changes is correct?
• For two fertilizer applications annually, which timing is listed as a recommended option?
• How do you calibrate a granular fertilizer spreader to ensure accurate application rates?
• Application of a curative, broad-spectrum insecticide can be fatal to earthworm populations.
• Which of the following determine soil fertility needs?
• What are the differences between core aeration and solid-tine aeration, and when would you choose each for turf improvement?
• Compare seeds and sod for turf establishment regarding establishment time, cost, and wear tolerance.
• Which data category is most critical for nutrient management decisions and environmental compliance in turf management?
• Which mower type is noted as growing fastest in popularity?
• Which area of a golf course maintenance philosophy requires the most precise, low mowing and smooth surfaces?
• Does proper mowing frequency involve leaving at least two-thirds of the leaves uncut?
• Which nitrogen source is a slow-release fertilizer?
• What is the purpose of topdressing after aeration and how does it influence turf health?
• What weather conditions increase pesticide drift risk and what practices minimize drift in turf applications?
• Downward movement of water is drastically impeded when fine-textured soil overlays coarse-textured soil.
• Which of the following is not a pesticide, according to the EPA?
• Which disease signs are commonly associated with turf pathogens such as dollar spot and brown patch?
• What factors influence fungicide choice and timing in turf disease management, and how do protectant vs curative fungicides differ?
• Place the following in the best order for establishing turf from seed: Fall, Spring, Summer.
• Which sequence correctly represents the stages in a complete life cycle?
• Hydromulching commonly uses recycled paper as the mulch.
• Which of the following is NOT a stage in a simple (incomplete) life cycle?
• Which of the following is a step in implementing an IPM plan for turf management?
• Late-fall fertilizer application for cool-season grasses is best timed to occur which of the following?
• Curative insecticides are designed to control pest populations after they have emerged.
• Which of the following best describes a selective herbicide used in turf management?
• What factors determine a turf variety's salt tolerance, and how would you manage a field with saline irrigation water?
• How does high salinity in irrigation water affect turfgrass?
• Which statement about nitrogen management is accurate?
• What is the primary function of sensors and weather stations in irrigation management?
• What key data should be recorded in a turf management plan to support decision-making and compliance?
• During periods of faster growth on a sports field, what happens to mowing frequency?
• In IPM, the proper pesticide must be used on the correctly identified pest.
• Which statement about using glyphosate during establishment is supported by the material?
• Which statement about mowing and weed competition is supported by the material?
• Carbohydrate reserves in turfgrass support recovery after drought or heat stress; which cultural practice helps protect them?
• Distinguish between soluble fertilizers and slow-release fertilizers and explain how each affects nutrient availability and turf safety?
• What is the most common material used as a hydromulch?
• Which statement best describes the effect of tilling on soil structure?
• Which management practice is most directly aimed at allowing turf to recover and reduce wear on sports fields?
• Fertilizer analysis guarantees are based on a minimum amount present on a per cent volume basis.
• What strategy is sometimes justified for pests that affect public health?
• What is fertigation and what are its advantages and risks in turf management?
• Which cultural practice is most critical in suppressing destructive lawn pests?
• The Korean War period spans which years?
• Regarding scalping, which statement is true?
• Which statement about the retail availability of high slow-release content fertilizers is accurate?
• Both broadleaved and grassy weeds can exist as winter or summer annuals.
• Weeds are a primary result of poor turf quality.
• Which soil physical properties influence turf root growth, and how can they be improved on compacted soils?
• Should a starter fertilizer be applied to newly laid, commercially grown sod?
• Which statement about slow-release content in retail is accurate?
• Which practice helps reduce soil compaction and improve root growth in turf?
• When should a late-fall fertilizer application be made to cool-season grasses?
• What is the first basic step of IPM?
• Which statement correctly describes the IPM goal regarding damage thresholds?
• Which of the following statements about the soil triangle parameters is correct?
• Name a non-chemical management approach for white grubs, chinch bugs, and billbugs respectively.
• Proper mowing practices help turfgrasses compete for what resource(s)?
• Which risk is associated with fertigation?
• When using glyphosate for non-selective weed control during establishment, a follow-up should be performed.
• What is the third basic step of IPM?
• Which establishment method is used to establish turf quickly in large areas?
• When using preventative insecticides, which holiday period should trigger an application?
• Mowing is the second most expensive cultural practice associated with turf management.
• Mulches are used to aid turfgrass establishment primarily to:
• What factor should guide the timing of fertilizer applications when planning two annual applications?
• Which element is second most needed in order to sustain turfgrasses?
• What effect does tilling the soil have on its structure?
• Which management goal best reduces weed impact in turf?
• A rotary mower cuts grass when the whirling mower blade ___ the grass.
• Which soil test component helps guide lime or fertilizer decisions by indicating the proportion of CEC occupied by basic cations?
• Reducing pest populations to a level where their effects are tolerable or acceptable is termed which?
• Which practice directly improves soil structure and drainage in turf soils?
• The only practical way to establish a bunch-type grass is with
• What are signs of overwatering in turf and how can improper irrigation scheduling affect root development?
• Which statement about earthworms and broad-spectrum insecticides is supported by the material?
• Which element is in the greatest amount in what is referred to as a starter fertilizer?
• Which practice specifically improves soil structure and root growth by reducing compaction?
• Which management step helps mitigate osmotic stress from elevated salts in the root zone?
• Most broadleaved herbicide applications are made in the fall.
• Given adequate moisture and favorable temperatures, the most critical factor for germination is seed-to-soil contact.
• Beal's definition indicates a weed is a plant out of place.
• If different soil types are present, composite soil samples should be assimilated separately for each distinctive soil-type area.
• Which statement is NOT a listed timing for two fertilizer applications annually?
• Which element is primary for turfgrass growth and green color?
• Organic fertilizers can burn foliage just as easily as chemical fertilizers can.
• Which of the following represents sustainable turf management practices?
• Which practice is commonly recommended to address suspected fertilizer burn?
• If a discussion about IPM mentions economic, functional, or aesthetic significance, which basic step is being described?
• Bluegrass billbugs overwinter as adults.
• Which statement best describes the relationship between water soluble and quick release in fertilizer components?
• When adjusting soil pH with lime or sulfur, which guideline correctly guides product choice and timing?
• Which turfgrass species is commonly used in cool-season climates and provides dense turf and good color but slower establishment?
• Is the following statement true or false: The One-Third Rule says to leave no more than one third of the grass blades uncut when mowing?
• Why are recovery periods important on fields with periodic heavy use, and how can you implement rest or alternate field strategies?
• Which statement best describes the relationship between establishment time, cost, and wear tolerance when comparing seeds and sod?
• The best-management practice for weeds is to promote high quality turf.
• When are large white grubs most likely found near the soil surface?
• Amending the soil with agricultural lime will do what to the soil pH?
• Which turf grasses are commonly recommended for heavily shaded areas, and what is a typical limitation?
• With fertilizer components, water soluble and quick release are synonymous.
• Newly laid sod should be allowed to dry down for at least six weeks after installation.
• What type of mower is growing fastest in terms of popularity?
• Which of the following are parameters of the soil triangle?
• In a complete life cycle, which stage is always present?
• What PPE is typically required when applying turf herbicides or pesticides in a public turf area?
• Which combination of strategies best addresses turf performance in shaded areas?
• What are common signs of poor drainage in turf, and which installation option can improve drainage?
• The rapid increase in the number of sod farms in Michigan occurred in which period?
• Which statement best describes tall fescue characteristics?
• Shade affects turf performance by which mechanism, and which strategy helps mitigate the risk?
• On a fertilizer labeled 12-4-8, what does the middle number represent?
• Which of the following states has abundant deposits of rock phosphate?
• What is the fourth basic step of IPM?
• Explain the concept of nutrient antagonism and synergy in turf soils with an example.
• Is the following statement true or false: The One-Third Rule dictates leaving no more than one-third uncut blade?
• Which combination best supports rapid turf recovery after wear according to cultural practices?
• What element is needed in the greatest amount for turfgrass growth and metabolism?
• What kind of herbicide should be used to try to take out all types of broadleaved weeds growing in a stand of turfgrass?
• Which best describes the role of endophytes in some tall fescues and how they influence pest resistance?
• What are common soil moisture sensors used in turf management and what is their role in irrigation decisions?
• What term best describes a walk-behind mower with a 2-foot swath width?
• Streaks of burned turf are usually an indication of what?
• When and why would you overseed a turf stand, and which species choices optimize winter color and persistence on cool-season lawns?
• Which factor is NOT listed as a determinant of soil fertility needs?
• For only one fertilizer application annually, which timing should be considered?
• Why does soil texture influence infiltration rate and irrigation planning?
• In IPM, disruption to the environment should be kept to what level?
• What is the primary purpose of backflow prevention in turf irrigation systems?
• What components are typically reported on a standard soil test for turf and how do you interpret base saturation percentages?
• Correctly used, the term sod can apply to any dense stand of turf.
• How is infiltration rate measured, and why is it important for determining irrigation design?
• In IPM, why is monitoring and identification important before taking action?
• Fall is the best season for establishing turf from seed.
• Which insect is listed as overwintering in the adult stage and affecting lawns?
• Which element is primary for growth?
• What is one key mechanism by which endophyte-infected tall fescues resist pests?
• Turf soil samples should include the foliage and thatch layer.
• How does soil pH influence the availability of major nutrients to turfgrasses, and what pH range optimizes most turf species?
• Curative insecticides for white grubs and bluegrass billbug are mutually exclusive.
• What are the common nitrogen sources used on turf and how do N rates influence color, growth rate, and mowing requirements?
• During establishment, needed amendments should be watered in and then tilled extensively.