The Latest

Events

  1. Texas: Feed-Grain Marketing Workshop, Amarillo, Feb. 10-11

    February 10 @ 8:00 am - March 11 @ 5:00 pm
  2. Georgia: Ag Business Planning Workshop, Glennville, Feb. 11, 18

    February 11 @ 8:00 am - February 18 @ 5:00 pm
  3. Ohio: Agronomy Workshops, Wooster, Feb. 15, 16

    February 15 @ 8:00 am - February 16 @ 8:00 am
  4. Louisiana: Irrigation Management Workshop, Marksville, Feb. 16-17

    February 16 @ 8:00 am - February 17 @ 8:00 am
  5. Tennessee: Irrigation Meeting, Somerville, Feb. 16

    February 16 @ 8:00 am - 5:00 pm
  6. Tennessee: Cotton Focus Meeting, Jackson, Feb. 18

    February 18 @ 8:00 am - 5:00 pm
  7. Illinois: Ag Tech Innovation Summit, Champaign, Feb. 18

    February 18 @ 8:00 am - 5:00 pm
  8. Texas: Oil, Gas Leasing Workshop, College Station, Feb. 22

    February 22 @ 8:00 am - 5:00 pm
  9. Georgia: Required Classroom Trainings for Auxin Herbicide Tolerant Crops

    February 22 @ 8:00 am - March 1 @ 5:00 pm
  10. Arkansas: 6 Spray Clinics in Feb, March

    February 23 @ 8:00 am - March 10 @ 5:00 pm
  11. Texas: Wild Pig Management Workshop, Burnet, Feb. 24

    February 24 @ 8:00 am - 5:00 pm
  12. Mississippi: Ag Waste Disposal Day, Charleston, Feb. 24

    February 24 @ 8:00 am - 5:00 pm
  13. Virginia: USDA Agricultural Outlook Forum, Arlington, Feb. 25-26

    February 25 @ 8:00 am - February 26 @ 5:00 pm
  14. Georgia: Pest Manager Training, Forsyth, Feb. 25

    February 25 @ 8:00 am - 5:00 pm
  15. Tennessee: Winter Row Crop Marketing Meeting, Mason, Feb. 25

    February 25 @ 8:00 am - 5:00 pm
  16. Louisiana: Rice Producer Meeting, Crowley, Feb. 26

    February 26 @ 8:00 am - 5:00 pm
  17. Texas: Rice Technical Working Group, Galveston, March 1-4

    March 1 @ 8:00 am - March 4 @ 8:00 am
  18. Texas: Rice Technical Working Group Conference, Galveston, March 1-4

    March 1 @ 8:00 am - March 4 @ 5:00 pm
  19. Texas: Permian Basin Cotton Conference, Big Spring, March 1

    March 1 @ 8:00 am - 5:00 pm
  20. Kentucky: IPM Training, Princeton, March 2

    March 2 @ 8:00 am - 5:00 pm
  21. Texas: Regional Sorghum Program, Plainview, March 3

    March 3 @ 8:00 am - 5:00 pm
  22. Indiana Small Farm Conference, Danville, March 4-5

    March 4 @ 8:00 am - March 5 @ 5:00 pm
  23. Kansas: 103rd Annual Cattlemen’s Day, Manhattan, March 4

    March 4 @ 8:00 am - 5:00 pm
  24. Kentucky: Integrated Pest Management Training, Princeton, March 2

    March 6 @ 8:00 am
  25. Oklahoma: Irrigation Conference, Woodward, March 8

    March 8 @ 8:00 am - 5:00 pm
  26. Oklahoma: Pecan Management Course, Stillwater, March 8

    March 8 @ 8:00 am - 5:00 pm
  27. Georgia: Pest Manager Training, Gainesville, March 10

    March 10 @ 8:00 am - 5:00 pm
  28. Missouri: Free Pesticide Collection Event, Portageville, March 12

    March 12 @ 8:00 am - 5:00 pm
  29. Florida: Carinata Summit, Quincy, March 15-16

    March 15 @ 8:00 am - March 16 @ 5:00 pm

 

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Ohio: Updated Tri-State Fertilizer Recommendations for Phosphorous

Mike Christensen
By Greg LaBarge, Ohio State University February 7, 2012

Fertilizer recommendations for corn (Table 1), soybeans (Table 2) and wheat (Table 3) are listed below. The tables are updated to reflect the higher yield potentials utilizing the equations from the Tri State Fertilizer Recommendations publication can be found at: http://ohioline.osu.edu/e2567/index.html. The philosophy of these recommendations can be found in the original publication.

Table 1. Fertilizer P Recommendations for Corn. (adapted from Tri-state Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa)

 

Realistic Yield Goal (bu/acre)

Soil Test Level

120

145

170

200

225

250

275

PPM (lb/acre)

lbs P2O5/acre recommended

5 (10)

95

105

115

125

135

145

155

10 (20)

70

80

90

100

110

120

125

15-30 (30-60)

45

55

65

75

85

95

100

35 (70)

20

25

30

40

45

50

50

40 (80)

0

0

0

0

0

0

0

 

 

 

 



Table 2. Fertilizer P Recommendations for Soybean. (adapted from Tri-state Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa)

 

Realistic Yield Goal (bu/acre)

 

Soil Test Level

30

40

50

60

70

80

90

PPM (lb/acre)

lbs P2O5/acre recommended

5 (10)

75

80

90

100

105

115

125

10 (20)

50

55

65

75

80

90

100

15-30 (30-60)

25

30

40

50

55

65

70

35 (70)

10

15

25

25

30

35

35

40 (80)

0

0

0

0

0

0

0

 

 

 

 

 


Table 3. Fertilizer P Recommendations for Wheat. (adapted from Tri-state Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa)

 

Realistic Yield Goal (bu/acre)

Soil Test Level

50

65

80

95

110

125

PPM (lb/acre)

lbs P2O5/acre recommended

15 (30)

80

90

100

110

120

130

20 (40)

55

65

75

85

95

105

25-40 (50-80)

30

40

50

60

70

80

45 (90)

15

20

25

30

35

40

50 (100)

0

0

0

0

0

0

 

Mike Christensen
By Greg LaBarge, Ohio State University February 7, 2012