A 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? - 110
A fertilizer is being advertised as an all purpose 20-20-20. What does the 20-20-20
indicate? - 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) - $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? - $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?
- 429lbs/acre
A fertilizer that is a high pressure liquid and 82.2% nitrogen is: - 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) - 32,556.52
Your agronomist suggests applying a 35-0-0-10 fertilizer to your land. The 10
represents 10 %: - 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? - 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. - 21
How many sections of land are in a township? - 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? - $27
The NW ¼ of Section 12 Township 19 Range 32 contains a maximum of: - 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) - 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? - 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? - 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? - 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?
- 18,000
Prolonged applications of animal manure or biosolids can result in a build up of which of
these nutrients? - Phosphorus
A limitation of a no-till cropping system is: - certain crop disorders may be more of a
problem
If a farmer uses a disc-chisel in a tillage system, these are considered: - Primary tillage
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