Strube Test harvesting

Test harvestings 2022

We will start the test harvestings in 2022 on August 1st. In the regions Rheinland and Söllingen we will begin harvesting on August 15th. Until the middle/end of October we will harvest every two weeks in the regions. The results can be find here after the sugar beets analysis a few days later.
 
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.

News and current situation 2022

As every year we made a harvest in advance on several beet fields in the Soester Börde (area between the city of Soest and the sugarfactory Lage) on July 13th. We only harvest and weigh the roots to get the root yield. Here are the results ...

Test-harvestings on August 1st in the regions of Zeitz and Ochsenfurt failed because of technical problems. On August 15th we are going to harvest in all regions.

19.08.2022 | After a good youth development, drought and persitant heat are taking their tribute. Due to the dryness, the beets have an extremely high sugar content, with below-average to normal beet yields.

05.09.2022 | The "Wirtschaftliche Vereinigung Zucker" (WVZ) estimates for the campaign 2022/23 in Germany an average root yield of 70,1 tons per hectar, the forecast for the sugar content will be 18,1 percent. The long lasting dryness and heat reduces in many places the customary growth of the sugar beet yields in the late summer time.

12. 09. 2022 | There ist great variation in the sugar yields between our testing sites in mid-September. In the Ochsenfurt region it was historically dry in the summer months, which is reflected in the results. However, the regions of Straubing, Rhineland, Söllingen and Zeitz are gratifyingly up in sugar yields at the beginning of the harvest and slightly above the 5- and 3-year average.

26. 09. 2022 | Sugar yields at our test harvesting sites are well below average (Ochsenfurt, Wetterau) to satisfactory. We are seeing increases in beet yields at some of our testing-sites that have never been seen before in the history of 50 years of our test harvestings.

Results of our test harvestings

region Rheinland (Northwest Germany) September 26th

8 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 40 - 90
  • plant density 70.000 bis 120.000 plants per hectare
  • date of sowing from March 18th until April 8th 2022

  

Precipitation in mm 202220212020201920182017ø 2012 - 2021
01.10. - 31.03. 293361449342322282326
01.04. - 11.09. 234417166229138262342
12.09. - 26.09. 47402313524
01.01. - 26.09. 432643400435320452533

 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
                
15.08.2022* 57,3 20,818,7 11,9410,71 33,24,925,41,55 -
29.08.2022 65,6 19,717,7 12,9111,64 30,24,218,61,34 -
12.09.2022 76,3 18,516,6 14,1412,68 28,33,918,71,32 -
26.09.2022 85,2 17,415,6 14,8313,30 29,04,713,41,21 -
                
27.09.2021 84,5 17,816,2 15,0813,68 28,94,07,41,05 -
21.09.2020 88,6 19,417,5 17,1715,50 31,84,515,41,29 -
23.09.2019 73,2 18,616,5 13,6012,06 32,04,824,21,50 -
24.09.2018 73,7 18,516,5 13,6312,17 33,63,919,11,39 -
25.09.2017 97,2 18,616,8 18,0616,31 32,32,712,81,21 -
ø 2017-2021 83,4 18,616,7 15,5013,93 31,74,015,81,29 -
26.09.2022 rel. 102 9494 9695 911178594 

-

*only four fields could be analysed on August 15th

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 Söllingen (Helmstedt/Wolfenbüttel) September 26th

5 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 75 - 95
  • plant density 85.000 to 105.000 plants per hectare
  • date of sowing March 25th up to April 2nd 2022

  

Precipitation in mm 202220212020201920182017ø 2012-2021
01.10. - 31.03. 209228293233281224262
01.04. - 11.09. 142276156222119417284
12.09. - 26.09. 26808142015
01.01. - 26.09. 280405322364244557426

 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
                
15.08.2022 53,8 20,817,9 11,189,64 54,111,940,72,25 57
29.08.2022 56,4 21,619,3 12,1510,86 36,79,227,31,69 47
12.09.2022 67,7 20,718,7 13,8912,66 34,46,415,61,34 37
26.09.2022 84,6 19,517,6 16,4814,89 30,04,715,41,27 32
                
27.09.2021 85,2 17,515,6 14,9213,27 34,35,915,61,34 62
21.09.2020 76,9 20,618,6 15,8514,31 34,25,618,71,41 40
23.09.2019 77,7 20,919,1 16,2314,87 31,62,211,11,15 39
24.09.2018 72,4 20,518,6 14,8413,45 36,03,115,41,32 36
25.09.2017 79,7 18,116,5 14,4313,14 28,63,46,61,02 56
ø 2017-2021 78,4 19,517,7 15,3013,85 32,94,013,51,25 47
26.09.2022 rel. 108 100100 108108 91117115102 68

 

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 Zeitz (Middle and East of Thüringen) September 26th

3 Fields

  • Soil type Parabrown earth 
  • Ground points (valuation index for the soil) 63 - 85
  • Plant density 40.000 and 80.000 Plants/Hectar
  • Sowing date 
      
Precipitation in mm 202220212020201920182017ø 2012 - 2021
01.10. - 31.03. 217233224210230199209
01.04. - 11.09. 178417262213184349304
12.09. - 26.09. 5015022281223
01.01. - 26.09. 341567380335305450426

 

  SBR SCWSC SYWSY KNaAmNSML Leaf weight
  t/ha %% t/hat/ha mmol/1000 g Rübe% % o.R.
01.08.2022 test harvesting dropped for technical reasons
15.08.2022 56,4 19,517,2 11,09,70 47,95,324,21,70 61
29.08.2022 71,7 15,713,7 11,299,80 40,63,419,41,48 53
12.09.2022 80,9 17,515,5 14,1512,53 40,42,517,11,40 52
26.09.2022 partially harvested, so it is not possible to calculate an representative average
                
27.09.2021 99,9 17,215,5 17,1815,52 30,23,47,81,07 65
21.09.2020 71,6 19,217,2 13,7812,30 45,54,815,61,46 53
23.09.2019 55,6 19,717,9 10,989,97 32,82,612,61,21 32
Ø 2019 - 2021 75,7 18,716,9 14,1812,78 36,23,612,01,25 53
26.09.2022 rel. - -- -- ---- -

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) September 26th

3 Fields

  • Soil type: Parabraunerde 
  • Ground points: (valuation index for the soil) 70 - 80
  • Plant density: 75.000 – 105.000 Pflanzen je Hektar
  • Sowing date: 24. bis 27. März 2022

  

Precipitation in mm 202220212020201920182017ø 2012 - 2021
01.10. - 31.03. 268257382234316

210

267
01.04.-11.09. 209373157311214472317
12.09.-26.09. 35501334022
01.01.-26.09. 402553350461395596461

 
 

  SBY SCWSC SYWSY K Na  AmN SML Leafweight
  t/ha %% t/hat/ha mmol/1000 g R.% % o.R.
01.08.2022 42,2 19,517,6 8,247,44 32,93,115,51,28 64
15.08.2022 48,3 20,718,8 9,989,10 33,42,513,31,23 51
29.08.2022 58,6 21,019,2 12,3011,24 30,42,713,51,20 45
12.09.2022 67,1 20,118,3 13,4912,31 30,02,312,61,17 39
26.09.2022 74,9 18,116,4 13,5812,28 31,02,110,41,13 36
                
27.09.2021 89,5 18,817,0 16,8315,23 40,12,98,41,20 60
21.09.2020 75,3 19,417,3 14,6013,01 41,25,719,91,52 44
23.09.2019 87,9 18,316,4 16,0414,41 31,44,714,51,26 51
24.09.2018 74,4 20,018,1 14,8613,44 35,53,714,81,31 30
25.09.2017 111,8 17,915,9 19,9817,80 37,03,715,91,35 53
ø 2017-2021 87,8 18,916,9 16,5614,86 37,04,114,71,33 48

26.09.2022 rel.

 85 9697 8283 84507185 74

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 Ochsenfurt (Franken, North of Bavaria) September 26th

3 Fields

  • soil type Parabrown earth/Brown earth
  • Ground points (valuation index for the soil) 75 - 95
  • plant density 60.000 bis 70.000 Pl./ha
  • sowing time 
     
Precipitation in mm 202220212020201920182017ø 2012 - 2021
01.10. - 31.03. 244226286223286195249
01.04.-11.09. 206457226268205420311
12.09.-26.09. 50711264325
01.01.-26.09. 361576377352365535444

 
 

  SBY SCWSC SYWSY KNaAmNSML Leaf weight
  t/ha %% t/hat/ha mmol/1000 g R.% % b.o.R.
01.08.2022 test harvesting dropped for technical reasons
15.08.2022 37,1 22,220,1 8,247,44 45,84,520,11,57 24
29.08.2022 43,6 20,518,6 8,938,10 37,73,013,41,29 24
12.09.2022 51,8 19,917,9 10,319,29 39,63,415,31,36 24
26.09.2022 58,6 17,615,8 10,289,25 35,52,99,31,16 20
                
27.09.2021 102,6 17,816,1 18,2916,53 33,83,87,71,12 71
21.09.2020 68,8 20,118,1 13,8212,43 37,94,518,01,42 20
23.09.2019 90,8 18,816,7 17,0915,13 37,46,423,41,57 39
24.09.2018 83,0 19,917,8 16,5114,79 30,05,023,91,47 24
25.09.2017 108,7 17,915,9 19,5017,34 37,74,616,51,38 55
ø 2017 - 2021 90,8 18,916,9 17,1715,36 35,44,817,91,39 44
26.09.2022 rel. 65 9393 6060 100605284 46

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 Straubing/Plattling (South of Bavaria) September 26th

3 Fields

  • Soil type: Parabrown earth 
  • Ground points: (valuation index for the soil) 75 - 80
  • Plant density: 90.000 - 100.000 Pl./ha
  • Sowing date: 20.03., 14.04. und 19.04.2022
     
Precipitation in mm 202220212020201920182017ø 2012 - 2021
01.10. - 31.03. 219259276333354255286
01.04.-11.09. 289439315281237372351
12.09.-26.09. 371603123828
01.01.-26.09. 401587459459404515514

  

  SBY SCWSC SYWSY K Na  AmN SML Leafweight
  t/ha %% t/hat/ha mmol/1000 g R.% % o.R.
01.08.2022 55,4 17,415,6 9,648,64 36,93,310,21,21 75
15.08.2022 64,2 19,117,4 12,2811,14 35,73,09,61,18 57
29.08.2022 failed for this date
12.09.2022 91,7 17,916,2 16,3914,87 29,62,48,11,06 42
26.09.2022 102,2 17,816,2 18,1916,51 30,81,97,01,04 38
                
27.09.2021 100,1 17,415,6 17,4115,60 36,83,510,51,21 61
21.09.2020 95,0 18,717,1 17,7616,22 26,91,98,01,02 62
23.09.2019 103,9 18,216,4 18,9217,08 34,12,210,71,17 40
24.09.2018 96,3 18,917,1 18,1616,43 31,31,313,71,20 35
25.09.2017 97,2 18,216,5 17,6516,05 30,92,07,11,04 56
ø 2017-2021 98,5 18,316,5 17,9916,28 32,02,210,01,13 51
26.09.2022 rel. 104 9798 101101 96897092 74


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.