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pdfProject Code 101
OMB No. 0535-0088: Approval Expires 3/31/2023
NATIONAL
AGRICULTURAL
STATISTICS
SERVICE
FORM C 1 WINTER WHEAT YIELD SURVEY
NATIONAL LABORATORY DETERMINATIONS
2022
Date sample received in lab:
1. From Identification Tag
UNIT 1
UNIT 2
401
a. All Heads (emerged, and Late Boot)......................................
Number
Total Number
b. Stage of maturity....................................................................
Code
Unit 1 code
402
2. Laboratory Determinations, Subsample of emerged heads (small bag) (use worksheet on back)
a. Heads in sample (10 or fewer)...................................................................................................Number
403
b. Total weight of heads................................................................................................................. Grams
404
. __ __
COMPLETE 2c and 2d for MATURITY STAGE 3 (code 402) ONLY
c. Total of fertile spikelets on heads...............................................................................................Number
405
d. Total of sterile spikelets..............................................................................................................Number
406
COMPLETE 2e for MATURITY STAGES 4 and 5 (code 402) ONLY
e. Total grains................................................................................................................................Number
407
3. Laboratory Determinations on All REMAINING HEADS
COMPLETE 3 for MATURITY STAGES 4 and 5 (code 402) ONLY
a. Emerged Heads (large bag) -i.
410
Total number, laboratory count (Initial if recounted ______________)..............................................
Number
408
ii. Total weight of heads........................................................................................................................
Grams
.__ __
b. Heads in Late Boot (medium bag) -i.
411
Total number, laboratory count (Initial if recounted ______________)..............................................
Number
409
ii. Total weight of late boot heads.........................................................................................................
Grams
Lab Technician:
Date Analyzed:
MM DD
. __ __
2
FORM C-1: WHEAT
Complete for Maturity Stage 3 (code 402) Only
COUNTS
HEAD NUMBER
FERTILE SPIKELETS
HEAD NUMBER
1.
1.
2.
2.
3.
3.
4.
4.
5.
5.
6.
6.
7.
7.
8.
8.
9.
9.
10.
10.
TOTAL
TOTAL
Enter in 2c
Complete for Maturity STAGES 4 and 5 (code 402) Only
HEAD NUMBER
COUNTS GRAINS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
TOTAL
Enter in 2e
STERILE SPIKELETS
Enter in 2d
| File Type | application/pdf |
| Author | Davis, Ramonia - NASS |
| File Modified | 2022-02-04 |
| File Created | 2022-02-04 |