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13
Jun
2014
Rice research verification program update – June 13, 2014
Author: Ralph Mazzanti, Rice Research Verification Coordinator

South Arkansas:

Eight out of ten Rice Verification fields have a permanent flood.  N-STaR recommendations were utilized on seven RRVP fields so far.  Five fields are fast approaching ½” internode elongation.  The Prairie County field which has had a flood all year has received its third “spoon feed” nitrogen application.  The Monroe County field is at the end of the DD-50’s final recommended time to apply pre-flood nitrogen.  Hopefully we will miss the next chance of rain coming up and can get this field dry.  The Jefferson County field is at the 3-4 leaf stage so we are a couple of weeks away from a pre-flood nitrogen application.  Most fields could use more sunshine and heat units to catch up.  Rainfall totals since planting range from 4.1” (late planted) to as much as 12.2” (early planted) rice.

 

County

 

Variety

 

Seeding:

Date

Method

Rate

Treatment

Emergence

Density

 

Stage

General Information & Application

(Rates listed per acre)

 

Southern Counties                                             
Arkansas

      

CL XL745 4-14-14

Drill

19 lbs/acre

CruiserMaxx Rice

4-15-14

5 plants ft2

Mid-Tiller  

1st post application

Clearpath 0.5 lb + Prowl H2O 2.1 pt + COC 1 pt

Apply 100 lbs ammonium sulfate applied 5/2. (received 1.8” rainfall after application)

2nd post application (preflood)

Newpath 4 oz + Permit Plus 0.75 oz + COC 1 qt applied 5/23.

Applied 225 lbs urea plus NBPT according to N-STaR 5/24 and established a permanent flood. The field is clean and progressing well.

The field has received 8.65” rainfall since planting.

 

 

Chicot XL753 4-23-14

Drill

24 lbs/acre

CruiserMaxx

Rice

5-3-14

6 plants ft2

 

Mid-Tiller Herbicides recommended after planting:

Roundup PowerMax 1 qt + Command 12.8 oz + League 3.2 oz (received 3.6” rainfall from planting to preflood [30 days] for continued activation).

Provided excellent control of Italian Ryegrass, Poa Annua, nutsedge broadleaves and aquatics.

1st post application:

Facet 0.5 lb + 1 oz Permit + 3.2 oz League applied 5/22.

Apply 270 lbs urea with NBPT according to N-STaR and 100 lbs DAP according to soil test. Established a permanent flood 5/23.

Rainfall total since planting 11.9”.

Desha XL753 5-6-14

Drill

23 lbs/acre

CruiserMaxx

Rice

5-22-14

6 plants ft2

4-5 leaf  

Applied Roundup Power Maxx 26 oz +1 oz Sharpen +1% MSO at planting.

1st post recommendation:

Command 1 pt + Facet 0.5 lb applied 5/25.

Apply 100 lbs ammonium sulfate 5/26.

2cd post recommendation:

Permit Plus .75 oz + COC 1pt 6/13.

Apply 200 lbs urea + NBPT and establish permanent flood.

The field has received 8.65” of rain since planting.

Jefferson LaKast 5-25-14

Drill

65 lbs/acre

CruiserMaxx Rice

6-4-14

3 leaf Herbicides recommended at planting:

Command 1 pt + League 3.2 oz + Touchdown 30 oz 5/25.

Rainfall amount 4.1”.

Lee Roy J 4-18-14

Drill

65 lbs/acre

CruiserMaxx Rice

4-29-14

16 plants ft2

Mid-Tiller Applied Command 12.8 oz at planting.

1st post recommendation:
Propanil 4 qts + Facet 0.66 lb + Permit 1 oz applied 5/14.

No pre-flood herbicide recommendation warranted: Applied 170 lbs Urea fertilizer + NBPT according to N-STaR 5/28 and flood.

Rainfall amount since planting 12.2”.

Lincoln CL XL745 5-7-14

Drill

28 lbs/acre

CruiserMaxx

Rice

5-21-14

7 plants ft2

5 leaf 1st post recommendation:   Applied Facet 0.5 lb + Command 12.8 oz + Superwham 3 qts applied 5/23 fb

100 lbs ammonium sulfate +

150 lbs DAP applied 6/6.

2cd post recommendation: Superwham 4 qts +Permit Plus .75 oz 6/12.

When ground dries apply 240 lbs urea + NBPT according to N-STaR and establish permanent flood.

. The field has received 6.8” rainfall since planting.

Lonoke CL151 5-6-14

Drill

65 lbs/acre

CruiserMaxx Rice and Zinc

5-19-14

16 plants ft2

5 leaf Recommendation at planting:

Roundup 1 qt + Command 1 pt – Rainfall 2.5”

1st post recommendation:

Newpath 4 oz + RiceBeaux 2.5 qts + Command 8 oz.

Applied 100 lbs DAP 5/28.

2cd post recommendation:

Clearpath .5 lb + Propanil 2 qts.

When field dries apply 200 lbs urea + NBPT according to N-STaR and establish permanent flood.

 

Prairie Roy J 4-17-14

Water-Seeded

115 lbs/acre

No Treatment

4-29-14

30 plants ft2

Mid-Tiller Burndown and pre-emergence herbicides for Cattails in a no-till overwintered continual flooded field. Recommendation:

3 qt Roundup Power Maxx + 1 oz Sharpen + 1 pt MSO applied at planting.

Due to flooding in the wildlife refuge the field has had a permanent flood all year.

Applied urea 100 lbs 5/27.

Applied urea 100 lbs + DAP 100 lbs 6/3.

St Francis Mermentau 4-11-14

Drill

78 lbs/acre

CruiserMaxx Rice

4-29-14

27 plants ft2

Mid-Tiller Recommendation at planting.

Roundup 1 qt + Command 12.8 oz + League 3.2 oz –

Herbicides were continually activated by rainfall totaling 5.1” and provided excellent weed control for 45 days.   Few pigweeds are coming through now.

Recommendation:

Facet 0.33 lb + League 3.2 oz + 1 qt crop oil applied 5/28. Apply 270 lbs urea fertilizer + NBPT according to N-STaR and establish permanent flood 5/29.

The field has received 10.25” rainfall since planting.

Monroe Roy J 5-8-14

Drill

90 lbs/acre

Apron Maxx

5-18-14

17 plants ft2

4 leaf Recommendation:

Superwham 3 qts + League 3.2 oz + COC 1 pt applied 5/23.

Recommendation: 100 lbs DAP according to soil test applied 5/8. Rainfall amount 2.2”.

Recommendation:

Facet .33 lb + League 3.2 oz + crop oil 1 pt.

Apply 190 lbs urea + NBPT and establish permanent flood.

Total rainfall since planting 9.4”.


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