1947 mechanical thinning test Twin Falls, Idaho

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1947 MECHANICAL THINNING TEST IOAHO FALLS, IOAHO

TONS PER ACRE

%

SUCROSE

SEEDING RATE SEEDING RATE

TREATMENT -3:l_ ~ 10-12 AVE, ~ _7-8 10-12 AVE.

-HAND 21 .26 22.22 21 .19 21 .56 _{1 ~· 74 17}.82 17. 94 17.83 HoE 20.51 21 .38 20.75 20.90 1

.oo

17.80 17.60 17.86 *C. B. 8" 19.64 20.00 19.~9 19.74 17.90 17.70 17.76 17.78 **C. B, T. 8" 20.07 19.67 20. 9 20.08 17.34 17.~7 1 ~· 72 17,t *C. B. 12" _{1 ~. 69 19.59 19.62 18.96} 17.62 17. 6 1 .02 17. 3 **C. B. T, 12" 1 .75 20.00 19.85 19.~3 17.43 17.~7 17. 77 17.66 *C. B. 16- 1411 19.35 19. 31 20.76 19. O 17.39 17. 7 17.79 17.68 ***OTHER 19.25 19. 12 20.01 19.46 _{17.59 17.63 17.41 17.54} AVE. 19.57 20. 16 20.28 20.00 17.63 17.75 17.75 17.71

AFTER THINNING STAND COUNT TIME PER ACRE (HOURS) NUMBER BEETS PER 100 FEET

SEED I NG RA TE SEED I NG RA TE ~ -1:§_ 10-12 AVE. -1:_1±_ __]:.§_ 10-12 AVE.

- -

-HAND 87 96 100 94 18.00 20.60 22.50 20.f HoE 90 110 125 108 17.70 20.20 20.~ 19. 7 *C. B. 8" 101 114 119 11 1 6.50 6.60 _7. 7.00 **C. B. T. 8" ₉₀ ₉₉ 111 100 11. 70 12.30 13.80 12.60 *C. B. 12" 82 122 123 109 6.90 6.70 6.20 6.60 **C. B. T. 12"

~~

90 97 88 10.80 11 • 1 0 11. 70 11. 20 *C. _B. 16- 1411 108 131 109 6.20 6.20 5.90 6. 1 o ***OTHER

~l

78 96 82 11. 10 12.00 11. 70 11 . 60 AVE. 102 113 100 11. 11 11. 96 12. 51 11 .87 *CROSS BLOCKED

**CROSS BLOCKED THEN TRIMMED

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SALT LAKE CITY, UTAH

TONS PER ACRE 'fo SUCROSE

SEED I NG RA TE SEEDING RATE

TREATMENT ~ -1.:§_ 10-12 AVE. ~ -1.:§_ 10-12 AVE.

-HAND 28.So 30.15 30.86 29.94 15.22 15.66 16.09 15.66 HoE 28.63 29.8eS 30.79 29.76 15. 71 15. 93 15.6~ 15. 76 *C. B. 8" 2~.9~ 27.49 29.39 2l.60 1~.22 15. 31 15.4 15.32 "**C. B. T. 8" 2 .3 27.98 30.08 2

.So

_{1 .8~} 15.50 15. 1 _~ 15. 16 -l<·C. _B. 1 2" _{27.07 26.}₉₁ _{31. 13 28.37} _15.4 _{15.33 15.3} _15.40 *''C. 8. T. 12" 27.00 28.01 _{29. 13 28.04} _l~.09 _{15.2~ 15.00 15. 11} *C. B. 16-1411 26.60 28.~o 30.05 28.40 1 . 78 15. 1 _15.3~ 15.09 *x*OTHER 25.80 29. 6 _{29.77 28.48} 14.95 15. 18 15.2 15. 12 AVE. 27.27 28.60 30. 15 28.67 15. 1 b 15.41 15.41 15,33

ArTER THINNING STAND COUNT TIME PER ACRE (HOURS) NUMBER BEETS PER 100 FEET

SEEDING RATE SEEDING RATE

~ -1.:§_ 10-12 AVE.

-3.:1.

-1.:§_ 10-12 AVE.

- -

-HAND 83 ₉₉ 106 96 19.82 _{2~. 31 25.63 22.92} HoE ₈₇ 101 115 101 _{12.20 1}_.~o lb,32 14.27 *C. B. 8"

l§

77

~f

84 10.26 6. 4 6.37 7.82 **C. B. T. 8" 70 lr 9.95 11. 66 11 . 19 10.93 *C. B. 12" 78 ₇₈ ₈₇ _9.95 9.01 _~.13 _8.o~ **C. B. T. 12" ₇₀ l2 76

l~

11 .03 12.74 1 . 15 12.6 *C. B. 16-1411

l~

6§

91 9.32 6.06 8.39 7.92 ***OTHER ₇₃ 68 ₁₁_{.03 12.28 13.67 12.33} AVE. ₇₅ 81 ₉₁ ₈₃ 11. 70 _12.03 12. 61 _{12. 11} * CROSS BLOCKED

** CROSS BLOCKED THEN TRIMMED

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1947 MECHANICAL THINNING TEST LONGMONT, COLORADO

TONS PER ACRE 'f> SUCROSE SEED I NG RATE SEEDING RATE

TREATMENT -3.:l_ ..1.:§_ 10-12 A>vE. -3.:l_

...1.±

10-12 AVE.

-HAND _{12.26 12.~3 13.72 12.77} _11.9 12.8 13.0 12.57 HoE 12.70 12. 9 12.23 12.47 12.6 12.9 13.2 12.90 *C. T. 811 11. 98 11 . ~7 11. 17 11 . 64 12.8 13.0 _12.~ 12.70 ** C. B. 811 10.86 10. 3 12.37 11.35 11.9 12.6 12. 12.30 *C. T. 12" 10.79 11 . 70 11 . 27 11 • 25 12.5 _12.~ 12.5 _12.~7 **C. 8. 12" 12. 11 11 .08 10.99 11.39 12. 1 12, 12.3 12. 0 *C. T. 16~1411 10.f 11.: 11 . 12 11 .07 12.8 12.7 12.2 12.~ ***OTHER 10. 8 10. 12. 12 11 . 27 12.5 12.5 13.4 12. AVE. 11 . 54 11 . 55 11. 87 11.65 12.39 12.75 12.66 12.59

AFTER THINNING STAND COUNT TIME PER ACRE (HouRs) NUMBER BEETS PER 100 FEET

SEEDING RATE SEEDING RATE

--3.:i.

..1.:§_ 10-12 AVE. _{- ~}..1.:§_ 10-12 AVE.

-HAND 69 85 84 79 30.4 31.6 32.6 _31.~ HoE

~~

97 100 93 25.5 27. 1 _2~.8 26. *C. T. 8" ₉₁ ₉₈ ₉₂ 23.2 22.3 1 . 9 _21.~ **C. B. 8" ₇₅ 82 90 82 2b.3 22.5 _19.~ 22. *C. T. 12"

~l

101 109 96 26.7 19. 1 _1i. 21.9 **C. B. 12" ₉₃ 83

~~

26.6 22.6 2 .3 24.5 *C. T. 16--1411 90 77 91 28. 1 _{14. 3} 18.2 21.9 ***OTHER 8o ₉₃ ₁₀₉ ₉₄ 27_ .o 2 • 1 22.4 _24.~ AVE. 81 ₉₀ ₉₆ ₈₉ _26.73 _{23.58 22.94 24. 3} * CROSS THINNING ** CROSS BLOCKING *** HARROW

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1947 MECHANICAL THINNING TESTS SUMMARY AVERAGES

(BASED ON 4 TESTS OF 6 REPLICATIONS EACH)

TONS PER ACRE °/i SUCROSE SEED I NG RATE SEEDING RATE

TREATMENT _-1:-l_ __1.:§_ 10-12 AVE. _{~ -} ..B_ 10-12 AVE.

- -

-HAND _{19.68 20.39 21 .46 20. 51} _{15.52 15.85 16.03 15}.81 HoE _{19.49 20.53 20.l~ 20.2l 15.90 15. 91 15}

.m;

15.89 -l(·c. _T. _8" _{ll.98 18.92 18.} _18.5 _{15.78 15.8~} _15.73 _15.78 **C. 8, 8" 1 . 50 18.91 20.20 19.20 _{15.35 15.7} _{15.~9 15.56} *C. T. 12" _{17.79 19.13} 19.67 18.86 _{15.6~ 15, 75 15.} _~ 15.74 **C, 8, 12 II 17.98 18.67 19,t 18.66 15.4 15. 73 15.6 15,62 *C. T. 16-1411 17.54 18. 74 19. 6 18,65 15.54 15. 73 15.74 15.67 OTHER _{1 l.59 18. 91 19.76 18.75} 15.56 15.6~ 15. 91 15. 71 AVE. 1 .32 19.28 19. 97 19. 19 15.60 15.7 15.79 15.72

AFTER THINNING STAND COUNT TIME PER ACRE (HOURS)

NUMBER BEETS PER 100 FEET

SEEDING RATE SEEDING RATE

--3.::±_

_-1±

10-12 AVE. ~ ..1::.§_ 10-12 AVE. HAND

~§

85 96 87 22.96 25.53 27 .61 25.36 HoE ₉₉ ₁₁₀ ₉₇ _{19.08 21 .35 24.23 21 .55} *C. T. 8" ₉₂ ₉₉ ₁₁₃ ₁₀₁ _{13.82 13. 1}_~ _{13.49 13. 51} **C. 8, 8"

l}

80 91 83 17.26 17. 1 17.25 17.23 *C. T. 1211 108 108 100 14. _{71 12.95 1l01 13.~7} **C, B. 12" ~3

~~

81 79 16.78 17 .81 1 ,89 17. 3 *C. T. 16- 1411 8i 109

;i

14.73 12. 14 13.35 13.41 OTHER ₈₇ 111 16. 11 16.35 1~, ₁₇ _16.54 AVE, ₈₃ ₉₂ 102 ₉₃ _{16,93 17.06 1}_{• 13} _17.38 *C. T,-CROSS THINNING **C. 8,-CROSS BLOCKING