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FFA Agronomy Exam Questions and their verified answers, Exams of Agronomy

Brunel University LondonAgronomy

FFA Agronomy Exam Questions and their verified answers

Typology: Exams

2023/2024

Available from 06/22/2024

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FFA Agronomy Exam Questions
and their verified answers
What is agronomy? - Verified Answer the study of soil and crop management
On a plant stem, what is the space between two nodes called? - Verified Answer
Internode
What is the name of the stalk that attaches a leaf to the stem of a broad-leafed plant? -
Verified Answer petiole
What are small grain crops? - Verified Answer wheat, barley, oat, and rye
What plant family does wheat belong too? - Verified Answer gramineae
What plant family does canola belong too? - Verified Answer Cruciferae
What plant family does alfalfa belong too? - Verified Answer Leguminoseae
What plant family does peanut belong to? - Verified Answer Leguminoseae
What is the scientific name of alfalfa? - Verified Answer Medicago sativa
What is the scientific name of corn? - Verified Answer Zea mays
What is the scientific name of soybean? - Verified Answer Glycine max
What is the scientific name of peanut? - Verified Answer Arachis hypogaea
What is the scientific name of cotton? - Verified Answer Gossypium hirsutum
What is the scientific name of wheat? - Verified Answer Triticum aestevium
Peanut production in the United States increased rapidly during the early 1900s when
the boll weevil caused serious damage to which crop? - Verified Answer cotton
What is a microscopic, slender, round, worm that lives in the soil? - Verified Answer
nematode
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Download FFA Agronomy Exam Questions and their verified answers and more Exams Agronomy in PDF only on Docsity!

FFA Agronomy Exam Questions

and their verified answers

What is agronomy? - Verified Answer the study of soil and crop management On a plant stem, what is the space between two nodes called? - Verified Answer Internode What is the name of the stalk that attaches a leaf to the stem of a broad-leafed plant? - Verified Answer petiole What are small grain crops? - Verified Answer wheat, barley, oat, and rye What plant family does wheat belong too? - Verified Answer gramineae What plant family does canola belong too? - Verified Answer Cruciferae What plant family does alfalfa belong too? - Verified Answer Leguminoseae What plant family does peanut belong to? - Verified Answer Leguminoseae What is the scientific name of alfalfa? - Verified Answer Medicago sativa What is the scientific name of corn? - Verified Answer Zea mays What is the scientific name of soybean? - Verified Answer Glycine max What is the scientific name of peanut? - Verified Answer Arachis hypogaea What is the scientific name of cotton? - Verified Answer Gossypium hirsutum What is the scientific name of wheat? - Verified Answer Triticum aestevium Peanut production in the United States increased rapidly during the early 1900s when the boll weevil caused serious damage to which crop? - Verified Answer cotton What is a microscopic, slender, round, worm that lives in the soil? - Verified Answer nematode

What is reached when a pest infestation reaches the point where the potential loss exceeds the cost of a chemical application? - Verified Answer economic threshold On which plant part do aphids feed? - Verified Answer plant sap What is the most common beneficial insect species associated with crop production? - Verified Answer lady beetle What is the localized death of leaf tissue termed? - Verified Answer necrosis Which organism causes most plant diseases? - Verified Answer fungi Which of the following can be detected on a crop when exposed to a black light? - Verified Answer aflatoxin Which grass species is a cool season, annual and is classified as a restricted noxious weed? - Verified Answer cheat Which of the following is a prohibited noxious weed in Oklahoma? - Verified Answer yellow nutsedge Bacteria from which general form associations with legumes, to give the ability to make use of atmospheric nitrogen? - Verified Answer rhizobium Which of the following describe the process of inoculation? - Verified Answer Applying bacteria that fix nitrogen How can you determine if nitrogen-fixing bacteria have infected your legume crop? - Verified Answer nodules are present Which of the following terms describes a herbicide application that is made after planting and before crops and weeds emerge? - Verified Answer Pre-emergence Which of the following determines the rate of pesticide that is applied per acre? - Verified Answer effective spray width per nozzle, ground speed of the sprayer, and nozzle flow rate Which of the following types of sprayer nozzles allows for the penetration of the plant canopy and covers the underside of the leaves? - Verified Answer hallow cone Where will a deficiency of any "primary plant nutrient" first appear? - Verified Answer lower leaves What is the first visual symptom of a plant suffering from a deficiency of nitrogen? - Verified Answer chlorosis

What is the minimum percentage of plant food in a fertilizer referred to as? - Verified Answer guaranteed analysis Which of the following is an example of an organic fertilizer? - Verified Answer poultry litter What is vegetation produced with the intent of plowing it into the soil to improve the organic matter content termed? - Verified Answer green manure How is the quality of an agricultural lime material measured? - Verified Answer Effective Calcium Carbonate Equivalent What is the application of fertilizers, herbicides, and/or insecticides through irrigation systems called? - Verified Answer chemigation You are going to divide your yearly application of fertilizer into two or more applications. What is the term for this type of application? - Verified Answer Split application What is the process of spreading fertilizer uniformly over the soil's surface called? - Verified Answer Broadcasting What is applying fertilizer a little deeper and to the side of where the seeds are planted termed? - Verified Answer banding Where does the manufacturer get nitrogen from to produce anhydrous ammonia? - Verified Answer the atmosphere Fertilizer materials marketed in the United States are given a three digit rating such as 10-20-10. What does the first digit represent? - Verified Answer Nitrogen Fertilizer materials marketed in the United States are given a three digit rating such as 10-20-10. What does the third digit represent? - Verified Answer Potash What is the guaranteed analysis for urea? - Verified Answer 46-0- What is the guaranteed analysis of diammonium phosphate? - Verified Answer 18-46- 0 What is the ideal soil pH for most agronomic crops? - Verified Answer 6.5-7. Which of the following soils would require the least amount of agricultural lime to adjust the soil pH? - Verified Answer Sand Which of the following irrigation systems loses the least amount of water to evaporation and drift? - Verified Answer Micro-irrigation

Which of the following irrigation systems is the most expensive to purchase? - Verified Answer Center pivot Which of the following soil textural classes is best suited for peanut production? - Verified Answer Sandy loam Soils with which surface texture are more likely to have a poor rate of seedling emergence due to "crusting" of the soil - Verified Answer Silt How many soil cores should a farmer obtain to create an adequate soil sample for testing in a 40 acre field? - Verified Answer 15- What is a benefit of leaving soil fallow? - Verified Answer conserve soil moisture On a world-wide basis, what is the most limiting factor for plant growth? - Verified Answer Water During which of the stages of crop development is water availability most important? - Verified Answer Flowering Where are most peanuts produced in the state of Oklahoma? - Verified Answer Southern Where is most corn produced in the state of Oklahoma? - Verified Answer Panhandle Where are most soybeans produced in the state of Oklahoma? - Verified Answer Northeastern Where is most alfalfa produced in the state of Oklahoma? - Verified Answer Northeastern Which of the following is a primary tillage activity? - Verified Answer Plowing Which of the following is a secondary tillage activity? - Verified Answer Disking During which month should alfalfa be planted in Oklahoma? - Verified Answer August During which month should wheat be planted in Oklahoma? - Verified Answer September During which month should sorghum be planted in Oklahoma? - Verified Answer May During which month are peanuts harvested in Oklahoma? - Verified Answer October During which month is canola harvested in Oklahoma? - Verified Answer June

Approximately how long can a pure stand of alfalfa be expected to persist in Oklahoma?

  • Verified Answer 6 years After an alfalfa field has outlived its productive life, what is the minimum recommended time that needs to pass before replanting the field to alfalfa again? - Verified Answer 2 years How is alfalfa used? - Verified Answer green chop, hay, silage What is the term given to harvested peanut pods that are empty? - Verified Answer pops Which of the following is an advantage of growing peanut on soil that has a high sand content? - Verified Answer easy harvest Peanut production in Oklahoma has dropped drastically since the year 2000. Why? - Verified Answer Elimination of the quota marketing system for peanut Which of the following is the primary market type of peanut produced in Oklahoma? - Verified Answer Runner What is the primary use of Runner market type peanuts? - Verified Answer Processed into peanut butter Which of the following is an advantage of rotating peanuts with a non-legume crop? - Verified Answer Fewer problems with plant diseases, insect pest, weeds Canola has epigeal emergence. How does that affect canola's tolerance to frost/freeze damage relative to wheat? - Verified Answer Canola is more susceptible With which implement should canola be planted? - Verified Answer grain drill What is the standard weight of a bushel of canola? - Verified Answer 50 lbs What is the standard weight of a bushel of wheat? - Verified Answer 60 What is the standard weight of a bushel of corn? - Verified Answer 56 If you are checking wheat prices in your local news paper, what is the quality grade being quoted? - Verified Answer U.S. No. 2 What information can be accessed from the Mesonet? - Verified Answer air temperature, soil temperature, and soil moisture

Which scientist greatly increased wheat production and is called the "Father of the Green Revolution"? - Verified Answer Norman Borlaug Who is recognized as the "Father" of the nitrogen fertilizer industry? - Verified Answer Fritz Haber Which scientist researched and developed over 300 uses for peanut? - Verified Answer George Washington Carver You have a field that is 0.5 mile long and 0.3 mile wide. What is the area of your field in acres? - Verified Answer 96 acres You want to plant winter wheat on a 90-acre field. Your planting rate will be 1.5 bushel per acre. How many 50-pound bags of wheat will you need to purchase? (You should assume 1 bushel weighs 60 pounds) - Verified Answer 162 bags Calculate the percent pure live seed of wheat seed that has 92% germination and 94% purity. - Verified Answer 0.5% How many pounds of urea do you need to apply per acre to add 60 pounds of nitrogen per acre? - Verified Answer 130.4 lbs How many pounds of phosphorus per acre will you add to the soil if you apply 40 pounds of diammonium phosphate per acre? - Verified Answer 18.4 lbs You need to apply 40 pounds of monoammonium phosphate per acre will you add to the soil if you apply 40 lbs of diammonium phosphate per acre? - Verified Answer 18. lbs You need to apply 40 pounds of monoammonium phosphate per acre to a 120-acre field. How many times will you need to fill you 2-ton fertilizer cart? (1 ton = 2000 lbs) - Verified Answer 2 times You want to apply the herbicide Sencor to your wheat field to control cheat. Sencor should be applied at a rate of 4 ounces per acre. How many pounds of Sencor will be required to treat 250 acres? - Verified Answer 62.5 lbs You want to apply atrazine to your grain sorghum at a rate of 2.0 lbs/acre. Atrazine is the active ingredient in the herbicide Aatrex, which contains 4 lbs of atrazine per gallon. How many gallons of Aatrex should you purchase to treat 45 acres? - Verified Answer 22.5 gallons You decide it's time to treat your winter canola field to control insects. You decide to use the insecticide Karate Z. This product is applied at a rate of 0.03 lbs of active ingredient (lambda cyhalothrin) per acre. If Karate Z contains 22.8% active ingredient, how many lbs of Karate Z should you apply per acre? - Verified Answer 0.13 lbs of Karate Z/acre