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Advances in Rice Production - Lessons From the Rice Research Verification Program

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Title: Advances in Rice Production - Lessons From the Rice Research Verification Program


1
Advances in Rice Production - Lessons From the
Rice Research Verification Program
  • Johnny Saichuk

2
Louisiana Rice Research Verification Program
Yield, Milling and Economic Summary for 2007
3
Louisiana Rice Research Verification Program
Yield, Milling and Economic Summary Comparing
Selected Fields From 2006 2007
4
1998 2007 Verification Summary
5
Variable Costs/Acre, vs Return/Acre 1998 2007
In Louisiana Rice Research Verification Program
443
39
6
Variable Costs/CWT, vs Price 1998 2007 In
Louisiana Rice Research Verification Program
5.41
.50
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Ideal Fertilizer Timing Delayed Flood
  • P K
  • Just prior to planting, incorporated
  • On soil surface ahead of flush
  • On soil surface ahead of permanent flood

18
Ideal Fertilizer Timing Pinpoint Flood
  • P K
  • In the fall following seedbed preparation and
    prior to flooding during winter
  • Into the flood immediately following water
    leveling allowing the sediment to cover it
  • Onto the soil surface during the brief drain
    interval between draining and establishment of
    permanent flood

19
Ideal Fertilizer Timing Delayed Flood
  • Nitrogen
  • Small amount ahead of flush fb 2/3 just ahead of
    permanent flood then topdress at mid-season
  • All day of or just prior to permanent flood

20
Ideal Fertilizer Timing Pinpoint Flood
  • Nitrogen
  • Apply 2/3 to ¾ during the brief drain interval
    between draining and establishment of permanent
    flood
  • Follow with remainder at mid-season

21
Phosphorus Potassium Rates
  • Should be based on a soil test
  • Plant response always bottom line
  • Range
  • Phosphorus 0 to 60 lb/A
  • Potassium 0 to 120 lb/A
  • Typical Rates
  • Phosphorus 20 to 40 lb/A
  • Potassium 40 to 70 lb/A

22
Nitrogen Rates
  • Based on crop response in research plots
  • Range of rates
  • Need to know response in each variety by field
    situation
  • History important
  • Growing conditions important
  • Water management critical

23
When to Adjust Fertilizer Rates
  • In high pH soils especially when P test is high
    but there is a history of P deficiency
  • When a nutrient deficiency symptom is diagnosed
  • When fertilizer may have been lost

24
Fertilizer Costs 1998 to 2007
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A Comparison of Hand vs Combine Grain Moisture
Samples at Harvest
Moisture
Observations 2003 to 2007
29
A Comparison of Hand vs Combine Grain Moisture
Samples at Harvest
Moisture
Observations 2003 to 2007
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A Comparison of Pumping Costs Per Hour at Various
Energy Prices
Per Hour
per kwh / per gallon
Assumes 65 ft head and 2000 gpm delivery
33
A Comparison of Pumping Costs Per Acre at Various
Energy Prices
Per Acre
Assumes 65 ft head and 2000 gpm delivery
per kwh / per gallon
34
A Comparison of Pumping Costs Using Electricity
versus Diesel
1
2
1Electricity .0903/kwh 2Diesel 2.88/gal
35
Even though we are anticipating higher input
costs than ever before strong prices and good
yields still make rice a profitable crop in many
situations especially where other crops are not a
viable option.
36
Johnny Saichuk 1373 Caffey Rd. Rayne, LA
70578 Office 337-788-7547 Cell
337-849-6253 e-mail jsaichuk_at_agcenter.lsu.edu
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