Recommended standards for reporting
agronomic characters for crop tests - Grains |
| Character |
Corn |
Soybean |
Wheat |
Yield: |
bu/a at 15.5% moisture
(56 lb/bu) xxx
(xxx.x for regional averages) |
bu/a at 13% moisture
(60 lb/bu) xxx
(xxx.x for regional averages) |
bu/a at 13% moistu
(60 lb/bu) xxx
(xxx.x for regional averages) |
Test weight: |
lb/bu at harvest moisture xx.x |
lb/bu at harvest moisture xx.x |
lb/bu at harvest moisture xx.x |
Moisture: |
% moisture at harvest xx.x |
NA |
% moisture at harvest xx.x |
Maturity: |
silk date: date when half of ears have fully emerged silks |
rated on numerical maturity scale relative to check varieties x.x |
heading date: date when 50% of heads have extended from flag leaf collar |
Stand: |
plant/acre or % emergence xxx |
NA |
NA |
Lodging: |
%; includes stalks broken below the ear, stalks leaning >45 degrees, and dropped ears xx.x |
1-5 scale:
1 = all erect
3 = ~45% lodged
5 = all lodged
xx.x |
visual estimate of % of stems leaning more than 45 degrees from vertical |
Plant height: |
Not usually reported; if it is, inches to tip of tassel
xxx |
inches from soil surface to top of canopy at harvest
xxx |
inches from soil to top of head excluding awns; measured sometime between heading and harvest
xxx |
Shattering: |
NA |
1-5 scale:
1= none
2 = 1-10%
3 = 10-20%
4 = 25-50%
5 = >50%
xx.x |
%; visual estimate of % of seed that has fallen out of the heads
xx |
Winter
survival: |
NA |
NA |
%; visual estimate of % of plants that survived the winter, may incorporate vigor as well as survival
xx |
Protein: |
% at 15.5% moisture xx.x |
% at 13% moisture xx.x |
% at 12% moisture xx.x |
Oil: |
Standard Test: % at 15.5% moisture - xx.x
Specialty Test: % at 15.5% and 0% moisture |
% at 13% moisture
xx.x |
NA |
Starch: |
% at 15.5% moisture xx.x |
NA |
NA |
Seed size: |
NA |
seeds/lb xxxx |
seeds/lb xxxx |
Reporting: |
Multiple locations and/or multiple years preferred rather than single-year results |
Multiple locations and/or multiple years preferred rather than single-year results |
Multiple locations and/or multiple years preferred rather than single-year results |