w heat fertility experiment no. 406 southwest research and extension center established 1966

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WHEAT FERTILITY EXPERIMENT NO.406 Southwest Research and Extension Center Established 1966 Plot size: 18.67’ x 60’ Alley: 30’ Total Trial Area: 242’ 8” x 510’ TRT Total N rate (lb N / ac) Pre-plant P rate (lb P 2 O 5 / ac) Pre-plant K rate (lb K 2 O / ac) 1. 0 0 0 2. 40 0 0 3. 80 0 0 4. 120 0 0 5. 160 0 0 6. 40 40 0 7. 80 40 0 8. 120 40 0 9. 160 40 0 10. 40 40 40 11. 80 40 40 12. 120 40 40 13. 160 40 40 N applied as 46-0-0 (Urea) P applied as 0-46-0 (Triple Super Phosphate) K applied as 0-0-60 (Potash) S W N E Location: Altus 330 4 9 16 21 28 33 40 45 52 58 64 69 76 Rep 3 Pre-Plant N 7 2 4 11 12 9 10 8 1 5 13 6 3 270 27 28 29 30 31 32 33 34 35 36 37 38 39 240 3 10 15 22 27 34 39 46 51 58 63 70 75 Rep 4 TopDress N 4 3 10 12 13 5 1 7 11 9 8 2 6 180 40 41 42 43 44 45 46 47 48 49 50 51 52 150 2 11 14 23 26 35 38 47 50 59 62 71 74 Rep 5 TopDress N 11 1 5 13 7 3 2 8 4 6 10 9 12 90 53 54 55 56 57 58 59 60 61 62 63 64 65 60 1 12 13 24 25 36 37 48 49 60 61 72 73 Rep 6 TopDress N 9 6 2 13 3 1 7 10 12 4 8 11 5 66 67 68 69 70 71 72 73 74 75 76 77 78 0 18’8” 37’4” 56’ 74’8” 93’4” 112’ 130’8” 149’4” 168’ 186’8” 205’4” 224’ 242’8” 1 , 2 – Harvest Sequence Number 1, 2 – Treatment Number 1 , 2 – Soil Sample Sequence Number OBJECTIVE: To study fertilizer nitrogen, phosphorus, and potassium in winter wheat under irrigated conditions. 420 5 8 17 20 29 32 41 44 53 56 65 68 77 Rep 2 Pre-Plant N 6 10 13 4 12 1 11 9 3 7 2 8 5 360 14 15 16 17 18 19 20 21 22 23 24 25 26 510 6 7 18 19 30 31 42 43 54 55 66 67 78 Rep 1 Pre-Plant N 13 12 5 6 10 1 4 2 11 9 8 7 3 450 1 2 3 4 5 6 7 8 9 10 11 12 13 SOIL TYPE: Tillman-Hollister – fine, mixed thermic Pachic Paluestoll

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W heat Fertility Experiment No. 406 Southwest Research and Extension Center Established 1966. W. S. N. E. Location: Altus. Plot size: 18.67’ x 60’ Alley: 30’ Total Trial Area: 242’ 8” x 510’. SOIL TYPE: Tillman-Hollister – fine, mixed thermic Pachic Paluestoll. - PowerPoint PPT Presentation

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Page 1: W heat Fertility Experiment No. 406 Southwest Research and Extension Center Established 1966

WHEAT FERTILITY EXPERIMENT NO.406Southwest Research and Extension Center

Established 1966

Plot size: 18.67’ x 60’Alley: 30’

Total Trial Area: 242’ 8” x 510’

TRTTotal N rate

(lb N / ac)

Pre-plant P rate

(lb P2O5 / ac)

Pre-plant K rate

(lb K2O / ac)

1. 0 0 0

2. 40 0 0

3. 80 0 0

4. 120 0 0

5. 160 0 0

6. 40 40 0

7. 80 40 0

8. 120 40 0

9. 160 40 0

10. 40 40 40

11. 80 40 40

12. 120 40 40

13. 160 40 40

N applied as 46-0-0 (Urea)

P applied as 0-46-0 (Triple Super Phosphate)

K applied as 0-0-60 (Potash)

S

W

N

E

Location: Altus

330 4 9 16 21 28 33 40 45 52 58 64 69 76

Rep 3Pre-Plant N 7 2 4 11 12 9 10 8 1 5 13 6 3

270 27 28 29 30 31 32 33 34 35 36 37 38 39

240 3 10 15 22 27 34 39 46 51 58 63 70 75

Rep 4TopDress N 4 3 10 12 13 5 1 7 11 9 8 2 6

180 40 41 42 43 44 45 46 47 48 49 50 51 52

150 2 11 14 23 26 35 38 47 50 59 62 71 74

Rep 5TopDress N 11 1 5 13 7 3 2 8 4 6 10 9 12

90 53 54 55 56 57 58 59 60 61 62 63 64 65

60 1 12 13 24 25 36 37 48 49 60 61 72 73

Rep 6TopDress N 9 6 2 13 3 1 7 10 12 4 8 11 5

66 67 68 69 70 71 72 73 74 75 76 77 78

0 18’8” 37’4” 56’ 74’8” 93’4” 112’ 130’8” 149’4” 168’ 186’8” 205’4” 224’ 242’8”

1, 2 – Harvest Sequence Number

1, 2 – Treatment Number1 , 2 – Soil Sample Sequence Number

OBJECTIVE: To study fertilizer nitrogen, phosphorus, and potassium in winter wheat under irrigated conditions.

420 5 8 17 20 29 32 41 44 53 56 65 68 77

Rep 2Pre-Plant N 6 10 13 4 12 1 11 9 3 7 2 8 5

360 14 15 16 17 18 19 20 21 22 23 24 25 26

510 6 7 18 19 30 31 42 43 54 55 66 67 78

Rep 1Pre-Plant N 13 12 5 6 10 1 4 2 11 9 8 7 3

450 1 2 3 4 5 6 7 8 9 10 11 12 13

SOIL TYPE: Tillman-Hollister – fine, mixed thermic Pachic Paluestoll