2023 Corn Objective Yield Quiz

Select Your State *

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KS

NE

SD

ND

5 Digit Enumerator Number *

Supervisor Group *

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1. State the purpose of the Corn Objective Yield survey in your own words: *

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2. T/F: You may contact the operator when your training is complete.

*

1 point

True

False

3. T/F: Sample plots may be set up immediately after the operator gives permission on the Form A.

*

1 point

True

False

4. T/F: Form B counts should only be taken during the official survey period. The only exception is at harvest.

*

1 point

True

False

5. The Form B is used to ____________________.

*

1 point

a) count only the number of ears.

b) record moisture content of the grain.

c) obtain the operator's permission to enter the field.

d) determine maturity, and make ear and plant count measurements.

6. Volunteer stalks growing between rows in the count area of the sample unit should be _________________.

*

1 point

a) included in the stalk counts in item 11 of form B.

b) excluded in the stalk counts in item 11 of form B.

c) removed from the sample unit and not counted on the form B.

d) clipped off but placed on the ground inside the sample unit.

7. The number of ears in item 14, row 1 of Form B should equal the number of ears counted in:

*

1 point

a) item 12, row 1

b) item 13, row 1

c) item 13, row 2

d) item 15

8. When weighing ears harvested from Row 1 you should ____________________.

*

1 point

a) include the weight of the 3rd and 4th ears.

b) exclude the weight of the 3rd and 4th ears.

c) weigh the first five ears only.

d) include the weight of the containers.

9. If you find an ear with kernel formation on the ground inside the unit between Row 1 and Row 2, you should ____________________.

*

1 point

a) count the ear in Items 13 and 14.

b) count the ear in Item 12 only.

c) count the ear in Item 14 only.

d) exclude the ear from any counts on Form B.

10. When harvesting a sample unit and more than one ear is on the same stalk, you should _________________.

*

1 point

a) flip a coin to see which is first.

b) count the bottom ear first for even-numbered samples.

c) count the top ear first for even-numbered samples.

d) count the bottom ear first for odd-numbered samples.

11. To complete the final Form B, you should ____________________.

*

1 point

a) harvest as close to farmer harvest as possible.

b) harvest and weigh both rows in Unit 1.

c) send the third and fourth ears from Row 2 of both units to the National Lab.

d) mail the Form B to the National Lab.

12. The sample field is considered ready for final pre-harvest when ____________________.

*

1 point

a) three (3) ears beyond the designated sample unit are code 7.

b) the maturity line on the kernels extends inward to the cob.

c) the shucks and foliage have turned brown, and the ears have fallen over and point toward the ground.

d) when the field is in the dent stage and the farmer will harvest the field within 3 days.

e) All the above.

13. For October 1, the maturity of the sample field is determined by examining the first five ears located ____________________.

*

1 point

a) inside Unit 1, Row 1

b) inside Unit 2, Row 1

c) beyond Unit 1, Row 1

d) beyond Unit 1, Row 2

14. One average size ear of corn inside the gleaning unit represents a harvest loss of ___________________.

*

1 point

a) one tenth bushel

b) one bushel

c) three bushels

d) twenty bushels

15. If available, what is your first option for shipping OY field samples?

*

1 point

a) USPS

b) FedEx

c) UPS

d) Planet Express

16. T/F Reporting Mode in CAPI must be entered.

*

1 point

True

False

17. Form B status codes are used to identify the sample’s status for the current enumeration period _________.

*

1 point

a) to show your supervisor your work has been completed.

b) based upon recorded observations.

c) verify the counts taken from each row are correct.

d) let you know where the sample units are located in the selected field.

18. When should Form B data should be entered into the iPad?

*

1 point

a) Only while in the sample field.

b) Only while standing in the 5-foot buffer area of each sample unit.

c) After you call your supervisor and they have given you permission to so.

d) On the very last minute of the very last day of the survey period.

e) None of these.

19. Which of the following must be true for a corn sample to have a status code of 4?

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1 point

a) Unit Location Codes must be 3 for both units.

b) Row Space measurement must be 888.8 for both units.

c) Three (3) or more ears must be in code 7 or field is expected to be harvested within 3 days.

d) All ears must have evidence of kernel formation.

e) Form B is expected next month.

20. A form B is expected in the next month’s survey period when the current month’s status code is _________?

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1 point

a) 3 or 4

b) 1 or 8

c) Blank

d) 9 or 10

21. Match the Form B status code with the correct Corn Form B status code definition:

a.) Farmer harvested for grain BEFORE units were laid out.

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1 point

b.) Farmer harvested for grain AFTER units were laid out.

*

1 point

c.) Complete

*

1 point

d.) Lost Sample – Field NOT harvested for grain.

*

1 point

e.) Sample field planted to corn but not for harvest as grain.

*

1 point

f.) No corn planted for ANY purpose in tract.

*

1 point

g.) Refusal

*

1 point

h.) Enumerator harvested sample units.

*

1 point

i.) Field partially destroyed – Both units destroyed.

*

1 point

j.) Inaccessible

*

1 point