Crop Insurance Today Third Quarter 2019 - 12

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Research Results 2018
By Drs. Mark Zarnstorff and James Houx, NCIS

Table 1 MATURITY LINE WEIGHT FACTORS developed from
Kansas and Nebraska research 2016-2018
Starch Line (%)

25
50
75
95
100

KS

10.6
10.0
9.5
9.6
11.2

Irrigated
NE

11.0
10.1
9.8
10.6
11.5

Avg.

KS

NE

10.8
10.1
9.7
10.1
11.4

9.9
8.9
8.9
9.1
10.6

8.8
9.6
8.5
9.0
10.6

Rainfed
Avg.

Avg.

9.5
9.2
8.6
9.0
10.6

10.3
9.7
9.2
9.5
11.0

Table 2 EFFECT OF MULTIPLE DEFOLIATION EVENTS on corn
production in Minnesota 2018
Stage(s) of 50% Defoliation
1st Damage
2nd Damage

10-Leaf
15-Leaf
Blister
Milk
Soft Dough
10-Leaf
10-Leaf
10-Leaf
15-Leaf
15-Leaf
15-Leaf

-
-
-
-
-
Blister
Milk
Soft Dough
Blister
Milk
Soft Dough

Appraised

Loss (%)
Measured

Difference

Significantly
Different at 5%

6
15
22
18
12
25
22
16
28
26
22

8
27
28
21
30
25
27
19
37
32
38

2
12
6
3
18
0
5
3
9
6
17

No
Yes
Yes
No
Yes
No
No
No
Yes
Yes
Yes

Table 3 EFFECT OF MULTIPLE DEFOLIATION EVENTS on corn
production in Illinois 2018
Stage(s) of 50% Defoliation
1st Damage
2nd Damage

10-Leaf
15-Leaf
Blister
Milk
Soft Dough
10-Leaf
10-Leaf
10-Leaf
15-Leaf
15-Leaf
15-Leaf

12

-
-
-
-
-
Blister
Milk
Soft Dough
Blister
Milk
Soft Dough

THIRDQUARTER2019

Appraised

Loss (%)
Measured

Difference

Significantly
Different at 5%

6
15
22
18
12
25
22
16
28
26
22

-3
18
22
15
13
21
20
13
24
16
21

-9
3
0
-3
1
-4
-2
-3
-4
-10
-1

No
No
No
No
No
No
No
No
No
No
No

Since the formation of National Crop Insurance Services (NCIS), updates to loss adjustment
procedures have originated from the Agriculture
Research program at NCIS. Agronomic research
projects needed for such updates are conducted
at university experiment stations and agricultural
colleges across the United States, as well as some
locations in Canada. All research projects are
conducted over the course of at least three years.
However, if for some reason the results are not
obtained for one or more years, the research project may be extended.
In order to know which crops need to be
studied, NCIS turns to company field adjusters,
claims supervisors and university researchers
for advice. The NCIS research program then focuses on designing experiments that will result
in data used to create up-to-date, consistent and
timely loss adjustment procedures. When combined with existing projects, NCIS has 17 ongoing projects across 13 states from Washington
to Ohio, and from Saskatchewan, Canada to
New Mexico.
In 2018, NCIS performed research on corn,
milo/grain sorghum, peanut, popcorn, soybeans,
sugar beets, sweet corn, and wheat with results
summarized below. It is important that these results not be used exclusively but combined with
the results from previous years' research, and any
subsequent research, in order to provide the best
loss adjustment procedures for NCIS members.

CORNMaturity Line Weight
Method
Kansas, Nebraska
Research was completed on the MPCI corn
maturity-line method for appraising grain from
milk stage until kernels are fully mature and
kernel moisture drops below 40 percent. This
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