Agronomy Seaman FFA Practice Test

These questions are part of the practice quiz. Start practicing

• What is the minimum percentage of crop residue that must remain on the soil for conservation tillage according to NRCS guidelines?
• What is the primary environmental concern associated with excessive nitrogen fertilizer use?
• How is phosphorus from fertilizers or manure most likely to be lost from crop fields?
• Which of the following is a major environmental concern related to pesticide use?
• What is the standard test weight per bushel for wheat?
• Crops engineered for glyphosate resistance are indicated by which trade name?
• What is the total weight of inert material in a 50-pound bag of fescue seed with 3% inert material?
• Which of the following describes how nitrogen from fertilizers may harm the environment?
• Pigweed and giant ragweed are classified as what type of weeds in Kansas?
• Which soil parent material is primarily deposited by wind?
• What type of crop rotation includes alternating crops from different plant families?
• What temperature range is generally optimal for corn germination?
• A crop consultant found 95 seedlings emerged in a 40-foot section of row. How many plants per acre does this represent in a 15-inch row width?
• Which of the following crops tends to yield seeds with the lowest protein percentage?
• What is the advantage of using conservation tillage practices?
• What does "Concep III" provide for grain sorghum seeds?
• A crop consultant counts an average of 34 corn plants per 20-foot length of row planted in 30-inch rows. What is the estimated plant population in plants per acre?
• Which fertilizer carrier has the lowest percent nitrogen analysis?
• What is the final emerged plant population in plants per acre if 33 seedlings emerged in a 50-foot section of row?
• What is the estimated yield in bushels per acre for corn given a plant population of 25,000 plants/acre and an average of 588 kernels per ear?
• Which abbreviation indicates glufosinate herbicide resistance in Syngenta corn hybrids?
• In terms of winter wheat production, Kansas ranks:
• Which soil property is particularly important for good drainage in agricultural practices?
• What is the correct formula to determine the sprayer application rate in gallons per acre (GPA)?
• What are the top two crops in value in the US?
• If a farmer plants a Maturity Group 3 and a Maturity Group 4 variety on the same date, what is likely to happen?
• What is the standard test weight per bushel for soybean?
• A crop planted to protect the soil from erosion, add nitrogen to the soil, and "trap" nutrients is called a:
• The phrase "dusting it in" in wheat production most likely refers to what practice?
• If the price of a bag of fescue seed is $43.20 for 50 pounds, what would be the price per pound for a bag at that cost?
• What is the application rate in gallons per acre (GPA) if 287 ml of water is collected in 15 seconds from a nozzle with a spacing of 20 inches?
• Which soil type typically has the best drainage for corn production?
• A horizontal creeping stem that grows above the soil surface and roots down at the nodes is called a:
• When calibrating a sprayer, if the travel speed is 5 mph, what is the relationship between speed and nozzle spacing in inches?
• What technique is often used to control soil erosion in agricultural fields?
• What is a potential benefit of cover crops in agricultural systems?
• What is the growth habit of oilseed and confectionary sunflowers after they begin flowering?
• Given the data, how many total gallons of Wally's Miracle Kill are required for 32 acres?
• Application of diammonium phosphate starter fertilizer below and beside the seed while planting is called:
• What substance is primarily of concern regarding the quality of groundwater used for irrigation?
• What is the standard test weight per bushel for grain sorghum?
• If a sprayer is calibrated to deliver 20 gallons per acre, how many acres can be sprayed with a 640-gallon spray tank?
• What does the total impurity of 'Inert material = 3%' signify in the context of seed purity?
• Prussic acid poisoning is a risk for livestock grazing which of the following forage crops?
• Which measurement indicates the quantity of active ingredient in Zap-Em-Dead 80 WDG?
• What is the term used for the spores that blow in from Southern states to infect wheat crops?
• If a nutrient recommendation calls for 48 pounds K2O per acre, how many tons of KCl are needed for a 120-acre field?
• What is the estimated yield in bushels per acre if a producer counts an average of 90 heads per 2-foot row section with a row spacing of 12 inches?
• How can soil erosion be effectively managed in agricultural practices?
• What category do barnyardgrass and large crabgrass belong to in Kansas?
• What is the term for broadcasting dry urea fertilizer on an established tall fescue field?
• Which of the following factors can affect seed germination?
• Which of the following is a disadvantage of sprinkler irrigation systems compared to furrow irrigation systems?
• The greatest yield reduction in corn due to drought stress generally occurs during the:
• What is the proper moisture content of chopped corn or sorghum forage for silage making?
• What causes fescue toxicity in livestock grazing tall fescue?
• What is the recommended application rate of triple bromo for pigweed control?
• What is a primary concern regarding moldy corn seed in relation to food safety?
• What type of growth do determinate sunflowers exhibit after flowering begins?
• What is the percent emergence of the planted seeds if a farmer plants 140,000 seeds per acre and achieves an average of 95 seedlings?
• Which part of the corn kernel is primarily responsible for storing starches?
• The wheat diseases soil borne mosaic and barley yellow dwarf are caused by which pathogens?
• Which fertilizer is commonly used for potassium application in crop production?
• The stalk material left after crushing sweet sorghum for ethanol production is called:
• What is the purpose of crop rotation?
• What is the estimated yield loss in bushels per acre if there is an average of 14 soybean seeds per square foot on the ground?
• What farming method helps in controlling pests while minimizing chemical use?
• A crop designed to protect soil from erosion and trap nutrients is known as a:
• For effective bindweed control, how many gallons of Kills-All 3L should be added to a 500 gallon tank to achieve the correct rate of 0.6 pounds a.i. per acre?
• Which crop was the top acreage harvested in Kansas in 2010?
• Which fertilizer nutrient is most likely to leach through sandy soils and contaminate groundwater?
• When does drought stress cause the greatest yield reduction in grain sorghum?
• What is the practice of no-till planting soybeans into wheat stubble called?
• If the purity is 90% in a seed tag for fescue, what does this imply about the non-pure content?
• If a farmer has a plant population of 32,000 plants per acre and each plant produces one ear with an average of 606 kernels, what is the estimated grain yield in bushels per acre?
• Which climate condition is most likely to lead to the proliferation of weeds like common lambsquarters and pigweed?
• How many pounds of OpTill should be added to a 450-gallon tank for a rate of 1.5 oz active ingredient per acre?
• Which forage crop recently regained deregulated status after being temporarily withdrawn due to a lawsuit?
• How many pounds of MAP fertilizer are needed for an 80-acre field if the recommendation is 40 pounds P2O5 per acre?
• A corn hybrid that includes YieldGard VT Triple® technology is genetically engineered for resistance to:
• If a crop consultant finds an average of 82 seeds dropped per 50 feet of travel with a 30-inch row spacing, what is the seeding rate in seeds per acre?
• In order to ensure effective application rates, how is herbicide concentrated measured in liquid formulations?
• When calibrating a sprayer, if you collect 331 ml of water in 15 seconds, what is the application rate in gallons per acre (GPA) with a speed of travel at 6 miles per hour?
• What toxic substance might be present in moldy corn at harvest?
• On a pesticide label, which term defines the protective equipment that must be used by the applicator?
• If anhydrous ammonia is priced at $520 per ton and the recommended amount is 140 pounds of N per acre for a 160-acre field, what is the total cost including custom application?
• A soil test recommends 45 pounds K2O per acre for grain sorghum. If muriate of potash (0-0-60) is the chosen fertilizer, how many pounds are needed for an 80-acre field?
• What practice involves using a deep tillage tool to alleviate soil compaction to enhance root growth?
• What is the term used for applying liquid nitrogen fertilizer through irrigation water?
• What is the standard seed count for soybean seed bags sold by companies like Syngenta and Monsanto?
• What toxic compound may be a concern in wheat seed infected with scab disease?
• A farmer selecting flat fan spray nozzles for weeds would choose which number for the highest delivery rate?
• When does the greatest yield reduction due to drought stress occur in grain sorghum?
• Which of the following fertilizer carriers has the highest percentage of nitrogen analysis?
• The part of the plant cell where respiration occurs is the:
• What is the purpose of calibrating a sprayer in agronomy practices?
• Which of the following is a common symptom of freezing injury in winter wheat?
• Which crop is often used for human food, livestock feed, and to produce industrial products?
• What is a common use of cover crops in agriculture, aside from soil protection?
• Which nutrient is essential for plant metabolism and is often supplied through fertilizers?
• What is the speed of travel if the sprayer application rate is calculated based on collecting 287 ml of water in 15 seconds and nozzle spacing is 20 inches?
• What is the correct order of the four classes of seed according to the Kansas Crop Improvement Association?
• What is the minimum amount of crop residue that must remain on the soil surface for conservation tillage qualification?
• What is the process of increasing carbon storage in soils called, particularly in light of concerns about global warming?
• Which label term indicates the time workers must avoid the field after pesticide application?
• What is the term for a horizontal, creeping stem growing below the soil surface?
• What portion of corn fields must farmers plant to non-GMO hybrids to help slow the development of insect resistance in Bt GMO corn?
• The process that winter wheat must undergo to initiate head formation for flowering is known as:
• Which crop had the highest total bushels produced in Kansas in 2010?
• Which of the following standard abbreviations indicates a liquid pesticide formulation?
• What is the sprayer application rate in gallons per acre if 25.6 fluid ounces of water is collected in 30 seconds from an individual nozzle?
• Which Kansas crop can be grown in either oilseed or confectionary types?
• What is the cause of the wheat diseases leaf rust, stem rust, and stripe rust?
• Plant respiration primarily occurs in which part of the plant cell?
• Which of the following crops primarily benefits from the addition of nitrogen-fixing bacteria in the seed?
• In the case of streak mosaic disease in wheat, what role does the wheat curl mite play?
• What type of environment is required for the vernalization of winter wheat?
• What is the practice of planting grain sorghum into the stubble of a wheat crop immediately after harvest called?
• In corn production, what is typically the average kernel weight given in grams?
• What term describes the dry corn or sorghum residue remaining after grain has been removed?
• Which nutrient is commonly associated with promoting flowering and fruiting in plants?
• What process is required for winter wheat to initiate head formation for flowering?
• How is phosphorus most likely lost from crop fields, contributing to environmental harm?
• What classification do cheat, downy brome, and jointed goatgrass fall under in wheat production?
• Which crop is known for producing a common food oil and high protein meal used for livestock feed?
• Where is most of the stored food energy for corn seed germination found?
• Which crop is prominently grown in Kansas for its oilseed and confectionary uses?
• Which sequence correctly describes the reproductive growth stages of corn from R2 to R5?
• What is the primary purpose of the vertical tillage tool in agricultural practices?
• What specific concern is associated with harvest in wheat infected with scab disease?
• During which stage does soybean typically experience the greatest yield reduction due to drought stress?
• What is the most likely consequence of intense grazing on tall fescue pastures?
• Which cool season grass is predominantly grown as forage in Kansas?
• What does "RIB" technology in corn hybrids imply regarding refuge requirements?
• Which forage crop would produce hay with the highest protein content if cut at the optimum time?
• What is a potential consequence of overapplying fertilizers?
• Which pest is known to primarily damage soybean crops?
• Which of the following group of pathogens is responsible for the common diseases called "rusts," "smuts," and "mildew" that infect many different crops?
• How much water approximately is required to apply one acre-inch of irrigation?
• What forage crop poses a risk of prussic acid poisoning for grazing livestock?
• Which crops top the value charts in the US and Kansas?
• Using carbon trading programs, farmers can get compensated for which soil management practice?
• How do European corn borers primarily damage corn plants?
• The main reason for using agricultural lime is to:
• Which crop is recognized for having a higher average test weight per bushel?
• The stored food energy used for germination in a soybean seed is located in the:
• During which stage of corn ear development is the kernel referred to as being in the "dough" stage?
• During a sprayer calibration, if you collect 8 ounces of water in 15 seconds from a nozzle, what is the application rate in gallons per acre if the nozzle spacing is 20 inches?
• What are the sequential descriptive terms for corn reproductive stages R2 through R5?
• According to NRCS guidelines, the minimum amount of crop residue that must remain on the soil surface for a cropping system after planting to qualify as conservation tillage is:
• How many gallons of Wally's Miracle Kill must be added to each tankful if each tank is to deliver 2,4-D at a rate of 0.75 pounds active ingredient per acre?
• In a corn or wheat kernel, the stored food energy used for germination is found in the:
• Which stage follows silking (R1) in corn reproductive growth?
• What major acid acts as the preserving agent in quality sorghum or corn silage?
• What is the name of the tillage tool being promoted for infrequent use in no-till systems?
• What is the minimum amount of crop residue required on the soil surface for conservation tillage according to NRCS guidelines?
• Which practice is designed to minimize soil erosion by maintaining a cover crop?
• What does "safened seed" refer to in grain sorghum production?
• Which crop produces seeds with the highest protein percentage?
• Which oral LD50 value indicates the least toxic pesticide?
• Which of the following is a common method used to manage soil organic matter and combat carbon dioxide increases?
• Soybean varieties commonly adapted to Kansas are usually in which maturity groups?
• What is the name of the bacteria involved in nitrogen fixation in legumes?
• What is the total cost for lime needed for a 160-acre field if 2.4 tons of lime per acre is recommended at $20 per ton?
• How much does a pound of pure live seed (PLS) cost when a 50-pound bag is priced at $43.20?
• Which practice is crucial for maintaining soil health?
• In Kansas, when is winter wheat most likely to suffer freezing injury?
• The primary purpose of adding agricultural lime to soil is to:
• From the following list, which oral LD50 value represents the most toxic pesticide?
• "Inoculated seed" in soybean production refers to seed treated with:
• What is the standard test weight per bushel for corn?
• Which liquid fertilizer carrier provides both nitrogen and phosphorus with a common analysis of 10-34-0?
• The process of increasing carbon storage in soils to counteract global warming is called carbon:
• Which term describes the farming practice of growing two different crops in the same season?
• What is a potential health issue caused by cattle grazing on older tall fescue pastures?
• What practice is often recommended to prevent runoff of excess fertilizers into waterways?
• How many tons of fertilizer are required for a 160-acre field if 90 pounds of P2O5 is recommended per acre?
• What agricultural practice helps prevent soil erosion?
• What is the practice of planting a crop primarily to protect soil from erosion called?
• In which part of the plant cell does photosynthesis occur?
• Which dry nitrogen fertilizer carrier has an analysis of 46-0-0?
• You have a soil test that recommends 90 pounds of P2O5 per acre for your field. Which fertilizer would you select for proper application?
• What is the percent pure live seed (PLS) for a fescue seed with a germination rate of 80% and purity of 90%?
• Which mineral nutrient is typically required in the largest amount for corn production?
• Which of the following is a common pest in corn affecting root systems?
• Which condition is least likely when using a no-till system that maintains crop residue?
• Weeds that are legally regulated and cannot be present in any quantity in seed for sale are referred to as:
• In wheat production, what does the phrase "dusting it in" refer to?
• Which nutrient is crucial for plants’ photosynthesis process?
• Alfalfa weevil are generally most damaging in the:
• What is the role of chloroplasts in plant cells?
• Common lambsquarters, pigweed, velvetleaf and cocklebur are problem weeds classified as which type of plants?
• Which soil parent material is typically deposited by flowing streams or rivers?
• What indicates physiological maturity in corn?
• A truckload of wheat weighs 12.6 tons and sells for $5.00 per bushel, how much will the farmer receive for her wheat if it tests 12.5% moisture?
• What percentage of the fescue seed is classified as weed seed, given that the total impurity includes 2% weed seed?
• What is the term for broadcasting liquid nitrogen solution fertilizer to wheat in late February?
• Which of the following plants typically generates seeds with the highest protein content?
• Which of the following factors can enhance soil fertility?
• How is the effectiveness of a pesticide rate often assessed?