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NM FFA Agronomy test (1)
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NM FFA Agronomy test (1)
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NM FFA Agronomy testA local farmer wants to apply a total of 190 pounds of nitrogen per acre on his rice
field. He has spread 8 tons per acre of dry manure with an average analysis of 10
pounds of nitrogen per ton. How many additional pounds of nitrogen must he apply?
- CORRECT ANSWER-110
A fertilizer is being advertised as an all purpose 20-20-20. What does the 20-20-20
indicate? - CORRECT ANSWER-20% nitrogen, 20% phosphorus 20% potassium
Mary Hill owns a wheat farm in Kansas. The soil tests show she needs to apply 45
lbs. of nitrogen per acre to meet her crop goals. She has decided to apply anhydrous
ammonia which contains approximately 82% nitrogen to her half section (320 acres)
which will be in crop. If anhydrous ammonia costs $0.62 per pound, what will be her
total cost for fertilizer? (round to two decimal points) - CORRECT ANSWER-$10,535
Jim, a wheat farmer in Texas, is planting a field of wheat which measures 1419' by
1320'. He is using a no-till drill and applying his fertilizer at the same time he seeds.
He is applying 12 gallons per acre of 28% liquid nitrogen, (2.99 pounds of N per
gallon) at a cost of $1.15/gallon and 20 pounds per acre of a starter fertilizer,
11-52-0, at a cost of $680/ton. He is seeding at a rate of 65 pounds of seed per acre
and figures he will need an additional 10% seed for corners.
What is the per acre cost of the fertilizer he is applying? - CORRECT
ANSWER-$20.60
Your soil test recommends 150 pounds of nitrogen per acre applied to your 25 acre
field. How much 35-0-0 do you need to apply to meet the recommendation for this
field? - CORRECT ANSWER-429lbs/acre
A fertilizer that is a high pressure liquid and 82.2% nitrogen is: - CORRECT
ANSWER-anhydrous ammonia
Steve Miller owns a vegetable farm in California. The soil tests show he needs to
apply 120 lbs. of nitrogen per acre to meet his yield goal for sweet corn. He has
decided to apply urea which contains approximately 46% nitrogen to his half section
(320 acres) which will be in crop. If urea costs $.39 per pound, what will be his total
cost for fertilizer? (round to two decimal points) - CORRECT ANSWER-32,556.52
Your agronomist suggests applying a 35-0-0-10 fertilizer to your land. The 10
represents 10 %: - CORRECT ANSWER-Sulfur
Your soil test recommends 85 pounds of nitrogen per acre applied to your 75 acre
canola oilseed crop. How much 36-0-0 do you need to apply per acre to meet the
recommendation? - CORRECT ANSWER-236lbs
, You are planting a field of pinto beans 1000' X 697'. The seed you purchase is 98%
pure and has a germination rate of 94%. You want to plant 60 pounds of viable seed
per acre. How many actual bags of seed should you buy? The seed comes in 50
pound bags. - CORRECT ANSWER-21
How many sections of land are in a township? - CORRECT ANSWER-36
You have a half section of dryland wheat in Western Kansas. You have your wheat
custom harvested at a cost of $15 per acre plus $.25 per bushel. You expect a yield
of 48 bushels per acre. What are your harvest costs per acre? - CORRECT
ANSWER-$27
The NW ¼ of Section 12 Township 19 Range 32 contains a maximum of: -
CORRECT ANSWER-160 acres
Jim, a wheat farmer in Texas, is planting a field of wheat which measures 1419' by
1320'. He is using a no-till drill and applying his fertilizer at the same time he seeds.
He is applying 12 gallons per acre of 28% liquid nitrogen, (2.99 pounds of N per
gallon) at a cost of $1.15/gallon and 20 pounds per acre of a starter fertilizer,
11-52-0, at a cost of $680/ton. He is seeding at a rate of 65 pounds of seed per acre
and figures he will need an additional 10% seed for corners.
How many pounds of wheat seed should Jim order from his local co-op? (round up if
needed to the next pound) - CORRECT ANSWER-3075
A friend wants to plant his 45 acre lettuce field with a population of 28,000 plants per
acre. The recommended seeding rate for the selected variety is 7.5 pounds per acre.
The germination rate is 97.8%. How many pounds of seed does he need to plant to
cover the field? - CORRECT ANSWER-345 lbs
If the recommended seeding rate for wheat is 13 to 21 seeds per foot within a 7 inch
row, what would happen if the rate was increased to 60 seeds per foot within a 7 inch
row? - CORRECT ANSWER-disease and lodging would increase
Your crop advisor is counting plants in your corn field to determine plant population.
The corn is planted in 30 inch rows with an average of 38 plants per 20 foot length.
What is the plant population per acre? - CORRECT ANSWER-33,100
You are estimating the plant population for your cotton field planted on 30 inch rows.
In 17 feet 5 inches you counted 18 plants. What is your average plant population per
acre? - CORRECT ANSWER-18,000
Prolonged applications of animal manure or biosolids can result in a build up of
which of these nutrients? - CORRECT ANSWER-Phosphorus
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