Ohio Fertilizer Applicator Certification Practice Test

These questions are part of the practice quiz. Start practicing

• Which practice would help ensure nutrient applications match crop needs?
• Which statement defines a growing crop during summer?
• If a pesticide license holder obtains the fertilizer certification endorsement, which is true about the pesticide license card?
• What is methemoglobinemia?
• What is hypoxia?
• What is the recommended maximum sampling area for soil tests in fields?
• How does sediment impact water quality?
• What is the role of the chief of the Division of Soil and Water Resources regarding manure application?
• If an applicant has a current pesticide license when applying for the fertilizer certificate, what happens?
• Precipitation threshold for applying fertilizer in the WLEB?
• Flow-weighted mean concentration (FWMC) is used to describe what?
• What is the relationship between Bray P1 and Mehlich 3 values?
• What defines a violation of the manure application law?
• How can nutrient concentrations in water lead to human health warnings?
• What are the acceptable sources for obtaining precipitation forecasts in Ohio?
• What protection does the Agricultural Fertilizer Applicator Certificate provide?
• What is the purpose of future comparisons of best management practices (BMPs) on paired field sites?
• What was the bloom severity in 2020?
• What is a potential limitation of interpreting yield differences using soil test nutrient values?
• What is the role of the Ohio Department of Agriculture in fertilizer application?
• For how long must fertilizer application records be kept?
• Which materials are excluded from the definition of commercial fertilizers?
• What can affect downstream water quality related to nutrient management?
• Which of the following best describes how soil core sampling should be conducted in grid patterns?
• What is the target bloom size for HABS in the Western Lake Erie Basin?
• Hypoxia in aquatic ecosystems is defined as dissolved oxygen levels dropping below what value?
• What trend was observed in the five-year moving average of DRP from 1975 to 2019?
• What is the target size for the Gulf of Mexico hypoxic zone by 2035?
• How many probable or suspected human illnesses were linked to HABs in Ohio in 2010?
• Which of the following is NOT an exception to the surface application restriction in the WLEB?
• Which statement best describes how OEPA monitors suspected cyanobacteria blooms?
• In fertilizer application, what does injection mean?
• What are nonpoint sources of nutrients?
• What triggers an investigation into fertilizer or manure application violations?
• Which organization issues the fertilizer applicator certificate?
• What is the minimum acreage for which a fertilizer applicator certificate is required?
• What is the role of Certified Crop Advisers (CCA) and Certified Livestock Managers (CLM) in relation to the fertilizer applicator certificate?
• The Mehlich 3 extraction is specifically used to determine which nutrients?
• What is the significance of 'Right Time' in nutrient management?
• What does acidity refer to in the context of soil?
• Nutrient spikes and water quality: which statement is accurate?
• If soil tests indicate low available nutrients, what action is recommended?
• What is the significance of the 2020 tri-state fertilizer recommendations?
• Which statement best describes the process implied by "make nutrient recommendations"?
• When STP is reported in pounds per acre, what operation converts it to PPM?
• How should soil cores be taken in zone sampling?
• What must be included in the fertilizer application record?
• What types of crops are included under the agricultural production definition?
• What has been the overall trend in Total Phosphorus levels from 1975 to 2019?
• Why is it important to understand soil test report values?
• What is the Mehlich 3 solution used for?
• Nonpoint source water quality refers to water pollution that
• What is the significance of dissolved oxygen concentrations in Lake Erie?
• What are the primary sources of nutrients contributing to HABs in Ohio?
• Which primary nutrient is linked to cyanobacteria growth?
• What is the significance of the Maumee River in relation to HABs?
• What treatment methods have municipal water treatment plants had to add due to HABs?
• The Domestic Action Plan is associated with which state agency?
• As management zones increase, what happens to the required number of samples?
• What does FWMC stand for?
• If renewal requirements are not met within 180 days after March 31, what happens?
• What is the primary purpose of interpreting soil test results using example reports?
• The phosphorus value on a soil test report indicates what?
• What is the purpose of the Ohio State University Extension?
• If soil test values appear unexpected, what action is recommended?
• What is the purpose of interpolation in grid sampling?
• What is the overall goal of the fertilizer and manure regulatory restrictions?
• What is a Voluntary Nutrient Management Plan (VNMP)?
• What are harmful algal blooms (HABs)?
• How long is the recertification credit cycle for the commercial license?
• Which option is NOT a tool or approach to improve nutrient management?
• In soil moisture terms, what does field capacity refer to?
• What is buffer pH used for in soil testing?
• What is the impact of adverse weather on nitrogen loss?
• What is the purpose of the Tri-State Fertilizer Recommendations?
• What is the primary goal of developing a soil fertility program?
• What must certified applicators provide to the farm operator after making applications?
• What is the purpose of monitoring management practices in the EOF study?
• Which factors contribute to higher DRP losses in agricultural fields?
• Cation saturation and soil fertility are connected through which concept?
• Who developed the OnMRK app?
• What should readers do to build upon the principles presented in the manual?
• Which nutrient triggers aquatic plant growth in saltwater systems?
• Which of the following is NOT a listed method to demonstrate competency for certification?
• When did the agricultural fertilizer applicator certification program begin?
• What is the relationship between nutrient management practices and crop production?
• What are the effects of ammonia on aquatic life?
• What is the late fee if the renewal application is submitted after the deadline?
• Which practice is NOT listed as being evaluated for water quality impact in Ohio?
• Which statement about VNMP guidelines is true?
• What does the term 'Buffer pH' refer to?
• What does 'Right Rate' mean in fertilizer application?
• Which item is included in VNMP documentation?
• What is the typical temperature threshold for frozen soil?
• Importance of the training class or exam for renewal?
• What are the consequences of sediment deposition in water bodies?
• What is the goal of precision soil sampling?
• The fertilizer applicator certificate is valid for how long before renewal is required?
• What action is appropriate when you have a soil test report with nutrient needs identified?
• During winter, which plant qualifies as a growing crop?
• Which of the following lists includes factors associated with HAB development?
• How is the STP value commonly reported?
• What does guaranteed analysis refer to in fertilizer products?
• Which of the following describes factors contributing to HAB development?
• OSU Extension is best described as what?
• The tri-state fertilizer recommendations are based on what type of information?
• What is a primary consequence of hypoxia in water bodies?
• How long should you wait after manure application before sampling?
• What is the recommended number of cores to collect per sample area?
• What percentage of Ohio's population is served by public water systems using surface water?
• What is an affirmative defense in the context of fertilizer application?
• Which statement best describes soil test reports from different laboratories?
• Which feature would you expect from a precipitation-based farm management tool used with fertilizer application planning?
• What is true about the 2020 bloom severity relative to 2019?
• How have Total Phosphorus (Total P) levels changed from 1975 to 2019?
• What is the application fee for obtaining a fertilizer applicator certificate if the applicant does not have a current pesticide license?
• What is the primary goal of a fertility program?
• What does a higher CEC value indicate about soil?
• What is the Ohio Applicator Forecast?
• What is the effect of hypoxic conditions on aquatic life habitats?
• Why is maintaining application records important?
• Which statement accurately describes how management zones influence fertilizer rates?
• After receiving a soil test report, what should farmers do?
• Which element of the fertilizer application record helps evaluate environmental risk and site conditions?
• Which option is NOT one of the four 'Right' practices?
• Which statement best aligns with the role of soil test reports?
• What is the goal of the Ohio EPA Domestic Action Plan?
• Regarding ammonia's impact on aquatic ecosystems, what is true?
• Which state agency requires the records for fertilizer applicator activities?
• What is the significance of dissolved reactive phosphorus (DRP) in water quality?
• What is defined as commercial fertilizers?
• What is the significance of the Ohio Department of Agriculture's definitions?
• What happens if renewal requirements are not met 180 days after March 31?
• What is the relationship between nitrogen and toxin production in cyanobacteria?
• What defines snow-covered soil according to Ohio regulations?
• Which of the following is a valid way to obtain training information besides the online schedule?
• What statement best reflects defining zones?
• What is the role of soil testing in nutrient management?
• What phosphorus test is commonly used in the Tri-State Fertilizer Recommendations?
• If fertilizer or manure is not incorporated as required, what is a likely consequence?
• What is the unit of measurement for CEC?
• What weather data points must be captured in a compliant fertilizer application record?
• What percentage of fields had DRP levels substantially higher than the target?
• What is required for incorporation of fertilizer or manure?
• What is the function of the Ohio Department of Natural Resources in relation to ammonia incidents?
• Why is the term 'algae' misleading when referring to cyanobacteria?
• What is the role of the National Weather Service River Forecast Centers?
• What is the significance of organic matter percentage in soil?
• Which rotational option is NOT listed as typically monitored in the EOF study?
• Why are harmful algal blooms a concern for water ecosystems?
• What are some tools and approaches to improve nutrient management?
• What is the purpose of using GPS in soil sampling?
• What is the overall aim of phosphorus reduction goals for target watersheds in Ohio?
• What is the penalty for late payment of the renewal fee?
• In fields with no banded fertilizer history, how many cores are recommended per sample area?
• What causes excessive aquatic plant growth in water bodies?
• What are the requirements for obtaining a fertilizer applicator certificate?
• Which of the following is NOT a VNMP requirement?
• Why is consistent sample depth important in soil sampling?
• What is the importance of following a zig-zag pattern in soil sampling?
• What should be considered when defining zones for zone sampling?
• What health risks are associated with high nitrogen concentrations in drinking water?
• What is Dissolved Reactive Phosphorus (DRP) and why is it important?
• What is the purpose of the recordkeeping form for fertilizer applications?
• What must agricultural fertilizer applicator certificate holders maintain?
• The FARM program is used to retrieve what type of data?
• Since what year have HABs been annual events in the Western Lake Erie Basin?
• What are the three main factors identified as impairments to water quality from agriculture?
• What was the largest recorded size of the Gulf of Mexico hypoxic zone?
• In the EOF study from 2011 to 2019, what percentage of the 40 fields had DRP levels lower than the target?
• What is the relationship between DRP and Total P at the mouth of the Maumee River?
• What does the potassium value indicate on a soil test report?
• What is the maximum distance a certified applicator must be from the application site during direct supervision?
• Which extraction method is used to estimate both phosphorus and potassium in soil?
• What is the impact of using smaller grid sizes in soil sampling?
• What does a soil test report typically include?
• Which form of phosphorus includes sediment-bound phosphorus?
• Where can potential applicants find a schedule for training sessions?
• What must the certified applicator provide to the uncertified applicator under direct supervision?
• What is the purpose of the agricultural fertilizer applicator certification manual?
• Which description best matches the field capacity concept?
• What is the effect of sound nutrient management on nutrient utilization?
• How many hours is the renewal training class?
• In a system with management zones, how are fertilizer application rates determined?
• What factors can influence the choice between grid and zone sampling?
• What does 'Right Source' refer to in nutrient management?
• In fertilizer application, what does injection achieve?
• How many of the 40 EOF study fields had DRP levels lower than the target?
• What interim nutrient load reduction goal by 2025 is set by the HTF?
• For recertification, what is the minimum duration of the required class?
• Edge-of-field practices aim to do what?
• What is the purpose of the FARM program?
• Which combination most strongly contributes to excessive aquatic plant mats?
• What should be done before sampling after nutrient applications?
• Which concept is about ensuring nutrients are available in synchrony with the crop's uptake?
• Why take multiple cores per zone in zone sampling?
• Which statement best describes recertification requirements for the fertilizer applicator certificate?
• What conversion is needed if STP is reported in pounds per acre?
• Which organization sets phosphorus reduction targets to mitigate harmful algal blooms in the Western Lake Erie Basin?
• Which crop rotations are typically monitored in the EOF study?
• The HTF directs efforts to reduce nutrient pollution in which river basin and associated gulf hypoxic zone?
• Which nutrient entering the Western Lake Erie Basin is primarily associated with the Maumee River?
• What does WLEB stand for?
• Which factor can cause variability in soil test interpretation when comparing labs?
• Which conditions prohibit fertilizer application in the Western Lake Erie Basin?
• What are the renewal options for the Fertilizer Applicator Certificate?
• Which form of phosphorus is fully bioavailable to aquatic life?
• Which statement about DRP is correct?
• In saturated soil, which statement is true about pore spaces?
• What is the purpose of phosphorus removal structures in edge-of-field practices?
• How large can the annual hypoxic zone in the central basin of Lake Erie be?
• What are the two widely used methods for soil sampling?
• A soil test reports an STP value of 50 PPM. This value reflects
• Which of the following is commonly reported on a soil test report along with pH and organic matter?
• What is the deadline to complete education requirements for the Pesticide License and Fertilizer Applicator Certificate?
• What is the purpose of the Fertilizer Application Resource Monitor (FARM)?
• What does pH measure in soil?
• Which two nutrients are primarily focused on in the manual?
• What factor contributes to the transformation of bound nutrients to soluble forms?
• Which two nutrients are primarily linked to HAB development?
• The term cation saturation relates to which soil feature?
• STP stands for what in soil testing?
• What is a key consideration when selecting a soil testing laboratory?
• What is the common solution used to determine potassium in soil?
• What is the significance of soil test example reports?
• What is a crucial factor in developing soil fertility recommendations?
• How does soil pH affect nutrient availability?
• Why are geo-referenced sampling data useful besides trend tracking?
• Which terms are clarified by the Ohio Department of Agriculture's definitions to assist regulatory compliance?
• Which organization provides the framework for the fertilizer applicator certification process?
• The bulletin mentioned is used to guide fertilizer recommendations for which basis?
• Which action is directly supported by the soil test report?
• Why is it important to know the solution used for phosphorus extraction?
• What is the role of the Ohio State University Extension Bulletin 974?
• Which statement best describes an in-field agronomic management example that includes cover crops, tillage, and crop rotation?
• Which entity sets the interim 20% nutrient load reduction goal by 2025?
• What is the significance of Lake Erie in terms of water quality monitoring?
• The plan’s nutrient reduction focus targets which basin?
• OSU Extension Bulletin 974 serves farmers by providing guidance on:
• Which four practices constitute the 'Right' in 4R Nutrient Stewardship?
• When soil test results are unexpected, what is recommended?
• What economic impact do HABs have on tourism in Ohio?
• What is the significance of maintaining soil test phosphorus values?
• What is the impact of high nutrient concentrations on aquatic plant growth?
• What monitoring actions does the Ohio Environmental Protection Agency (OEPA) take regarding HABs?
• Why might a farmer consult a soil test example report?
• What triggers drinking water advisories related to nitrate levels?
• What is a common issue with soil test reports from different laboratories?
• When did the new fertilizer regulations start, and which area did they primarily affect?
• In-field agronomic management practices mentioned include which of the following?
• What is the significance of OSU Extension Bulletin 974?
• What should be done if soil test values are not correctly interpreted?
• What is the primary purpose of monitoring nutrient levels in drainage water?
• Which statement about buffer pH is true?
• Which statement best describes eligibility for the fertilizer applicator certificate?
• What is the significance of the legislative text referenced in the article?
• What does cation saturation refer to in soil science?
• Who can grant written consent for emergency manure applications that do not meet standard restrictions?
• In what year was the largest Gulf of Mexico hypoxic zone size recorded?
• What is the common grid size used in grid sampling?
• What does CEC stand for in soil testing?
• What is the practical purpose of soil test report values in fertilizer planning?
• In Ohio, some sites may show high phosphorus loss but low nitrogen loss, with average annual nitrogen losses around what range?
• Cyanobacteria differ from filamentous algae commonly found in ponds.
• What is the annual renewal fee for the Fertilizer Applicator Certificate?
• What is a key benefit of using geo-referenced sample points in soil sampling?
• What is the contribution of Ohio's agricultural lands to phosphorus in the Maumee River watershed?
• Zone sampling tends to group samples based on what characteristics?
• What indicates a saturated soil condition?
• How long should you wait after fertilizer application before sampling?
• What is the recommended pattern for taking soil cores in grid sampling?
• In fields with a history of banded fertilizer applications, the recommended number of cores per sample area increases to what range?
• What should farmers do if they have questions about their soil test results?
• What is the role of personal experience in zone sampling?
• Is land being frozen or snow-covered a factor that must be recorded within 24 hours of fertilizer application?
• Under what conditions is surface application of manure prohibited in the WLEB?
• Which nutrient triggers aquatic plant growth in freshwater systems?
• Which statement describes the regulatory framework for fertilizer and manure applications in Ohio?
• Phosphorus reduction targets are designed to mitigate what environmental issue?
• In the WLEB, a forecast of 0.6 inches of rain within 24 hours triggers which restriction?
• The certificate is intended for use on agricultural production operations in which area?
• Edge-of-field practices are designed to do what?
• How many days after March 31 is the renewal deadline considered before renewal cannot be completed?
• What features does the OnMRK app offer?
• Which statement describes a collaboration involved in OnMRK development?
• Where are most nitrogen losses observed in agricultural fields?
• Exceptions to the fertilizer application restriction in WLEB?
• What is the definition of 'incorporation' in fertilizer application?
• How is frozen soil characterized?
• In infant health discussions, methemoglobinemia is commonly known as which condition?
• What is the role of the Hypoxia Task Force (HTF)?
• What tools are available for recordkeeping of fertilizer applications?
• If Bray P1 value is 20, what is the Mehlich 3 value approximately?
• When is grid sampling particularly useful?
• What is the relationship between warmer water temperatures and aquatic plant growth?
• What is the definition of direct supervision in the context of fertilizer application?
• What does BMP stand for in the context of agricultural water quality?
• Interpolation in grid sampling is used to model changes in unsampled areas of the field based on sampled data. Which option correctly reflects this?
• Edge-of-field (EOF) water quality monitoring measures what?
• What is the purpose of the restrictions on manure application in the WLEB?
• What is the likely ecological consequence when nutrient concentrations remain high?
• Which statement best describes Best Management Practices in agriculture?
• What information must be recorded within 24 hours of fertilizer application?
• In the context of water quality, what is one direct effect of sediment from erosion?
• Which of the following are VNMP requirements?
• What are the dimensions of the grid cell used in the common grid sampling approach?
• What is the bloom severity index (SI)?
• What is the penalty for violating fertilizer and manure application regulations?
• When is the peak bloom period for HABs in the Western Lake Erie Basin?
• A higher CEC value generally indicates what about soil characteristics?
• Depth used in 2020 Tri-State fertilizer recommendations?
• What data helps define management zones in zone sampling?
• What are the two main types of phosphorus tests mentioned?
• What is the recommended practice before applying granular fertilizer or manure?
• What five-year trend in DRP occurred by the mid-1990s?
• A VNMP can be based on guidelines provided by which organization?
• Which of the following factors can influence increased nitrogen loss?
• Which group is exempt from training or testing due to extensive nutrient management training?
• Which practices are being evaluated for their effect on water quality in Ohio?
• What is the duration of the fertilizer applicator certificate before it expires?
• Which digital tools are available for recordkeeping of fertilizer applications?
• What types of data can help define management zones in zone sampling?
• Which of the following is one of the three conditions for an affirmative defense related to fertilizer application?