Test harvesting by Strube: Development of the beet and sugar yields 2019

For more than 50 years Strube is carrying out sample harvests in sugar beet fields every two weeks from the end of July to the end of october in Germany. The results of our test harvestings can be found in the tables below, beginning in the first week of august.

Results of our test harvestings

region Söllingen (Helmstedt/Wolfenbüttel) 23th September

5 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 75 - 95
  • plant density 90.000 to 110.000 plants per hectare
  • date of sowing 2nd to 5th April 2019

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.233281224288
01.04. to 08.09.222119417301
09.09. to 23.09.8142020
01.01. to 23.09.364244557447

 
 

SBYSCWSCSYWSYKNaAmNSMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
12.08.201956,717,615,69,968,8336,06,116,41,3884
26.08.201967,419,217,212,9311,5733,94,919,41,4162
09.09.201975,719,617,714,8413,4233,34,713,41,2644
23.09.201977,720,919,116,2314,8731,62,211,11,1539
07.10.2019
21.10.2019
  
24.09.201872,420,518,614,8413,4536,03,115,41,3236
25.09.201779,718,116,514,4313,1428,63,46,61,0256
26.09.2016  74,319,117,314,1712,8629,43,812,21,1739
ø 2014-201876,418,516,814,1712,8330,73,411,11,1652

23.09.2019 relative

10211311411511610365100100

75

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white sugar yield, K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield

new: region Zeitz 23th September

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 63 - 85
  • plant density 100.000 to 110.000 plants per hectare
  • date of sowing 23rd and 3rd April 2019

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.189230199221
01.04. to 08.09.212184349317
09.09. to 23.09.20281226
01.01. to 23.09.332305450432

 
 

SBYSCWSCSYWSYKNaAmNSMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
29.07.201930,120,918,86,295,6441,36,221,71,5782
12.08.201940,319,417,57,827,0433,73,616,61,3345
26.08.201944,920,818,79,358,4040,16,020,21,5245
09.09.201950,221,019,210,559,6233,54,313,21,2545
23.09.201955,619,717,910,989,9732,82,612,61,2132
07.10.2019

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white sugar yield, K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield 

region Wetterau (Mittelhessen) 09th September

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 70 - 80
  • plant density 80.000 to 100.000 plants per hectare
  • date of sowing 30th and 31st March 2019

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.234316210251
01.04. to 25.08.290208458321
26.08. to 09.09.2161420
01.01. to 09.09.436363555445

 
 

SBYSCWSCSYWSYKNaAmNSMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
29.07.201940,717,415,27,076,1938,86,123,21,5899
12.08.201960,815,013,19,107,9430,95,516,31,3161
26.08.201971,715,413,511,049,6735,05,114,51,3149
09.09.201982,417,215,214,1512,5432,46,016,91,3552
23.09.2019
07.10.2019
  
10.09.201870,621,319,415,0313,6932,05,915,11,3033
11.09.2017105,118,016,018,8816,7836,03,818,41,4055
12.09.2016  68,819,917,613,6812,0934,66,031,31,7246
ø 2014-201879,718,916,915,0513,4534,64,419,11,4152

09.09.2019 relative

10391909493941368896

 100

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white sugar yield (white sugar), K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield

region Ochsenfurt (Franken) 23th September

3 fields

  • soil type luvisol (para brown earth) / brown earth
  • ground points (valuation index of fields) 75 - 95
  • plant density 85.000 to 100.000 plants per hectare

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.223286195250
01.04. to 08.09.268205420337
09.09. to 23.09.1264326
01.01. to 23.09.352365535458

 
 

SBYSCWSCSYWSYKNaAmNSMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
29.07.201947,516,714,37,956,8145,49,327,41,7973
12.08.201971,615,413,511,029,6330,64,618,51,3543
26.08.201976,116,614,612,6211,1437,95,914,71,3639
09.09.201980,716,814,613,5411,7641,29,321,61,6039
23.09.201990,818,816,717,0915,1337,46,423,41,5739
07.10.2019

  

24.09.201883,019,917,816,5114,7930,05,023,91,4724
25.09.2017108,717,915,919,5017,3437,74,616,51,3855
26.09.201699,717,916,317,8116,2425,93,06,20,9728
   
ø 2016 - 201897,118,616,717,9416,1231,24,215,51,2836

23.09.2019 relative

931011009594120154150123

110

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white sugar yield, K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield

region Rheinland (Titz/Vettweiß) 23th September

10 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 55 - 95
  • plant density 90.000 to 110.000 plants per hectare
  • date of sowing 25th to 17th April 2019

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.342322282305
01.04. to 08.09.229138262537
09.09. to 23.09.2313529
01.01. to 23.09.435320452512

 
 

SBYSCWSCSYWSYK Na  AmN SMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
12.08.201947,317,315,28,197,2133,75,222,01,48-
26.08.201960,917,515,410,669,4034,55,521,31,47-
09.09.201963,417,815,811,2910,0033,55,920,61,45-
23.09.201973,218,616,513,6012,0632,04,824,21,50-
07.10.2019
21.10.2019
  
24.09.2018----------
25.09.201797,218,616,818,0616,3132,32,712,81,21-
26.09.2016  83,518,216,315,2113,5830,94,918,11,34-
ø 2014-201888,017,715,8

15,59

13,9232,74,215,71,30-

23.09.2019 relative

83105104878798116154116

-

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white  sugar yield (white sugar), K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield

region Straubing/Plattling (Südbayern) 23th September

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 60 - 80
  • plant density 90.000 to 105.000 plants per hectare
  • date of sowing 27th March to 2nd April 2019

  

Precipitation in mm201920182017ø 2009 - 2018
01.10. to 31.03.333355255281
01.04. to 08.09.308233373385
09.09. to 23.09.2231232
01.01. to 23.09.457400520542

 
 

SBYSCWSCSYWSYKNaAmNSMLleaf weight
t/ha%%t/hat/hammol/1000 g sugar beet%%
29.07.201954,616,414,78,978,0035,82,310,11,1877
12.08.201967,916,114,410,969,7833,91,99,61,1464
26.08.201979,716,214,412,9111,4839,91,98,61,1958
09.09.201994,717,315,516,3414,6440,51,88,91,2051
23.09.2019103,918,216,418,9217,0834,12,210,71,1740
07.10.2019
  
24.09.201896,318,917,118,1616,4331,31,313,71,2035
25.09.201797,218,216,517,6516,0530,92,07,11,0456
26.09.2016  94,317,716,116,7315,1632,81,87,11,0763
ø 2014-201895,218,316,517,4115,7533,21,710,21,1461

23.09.2019 relative

10910099109108103132105103

65

Caption: SBY - sugar beet yield, SC - sugar content, WSC - white sugar content, SY - sugar yield, WSY - white sugar yield, K - potassium, Na - sodium, AmN - amino-N-content, SML - standard molasses loss, leaf weight - in percent based on the beet yield

Within the scope of the test harvestings, the beets are harvested and headed by hand. The beet yields can therefore be up to 10 percent higher than the practical results.

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