Test harvestings 2020

We started the test harvestings in 2020 on July 27th. In the regions Rheinland and Söllingen we will begin harvesting on August 10th. 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.

Test harvestings news

August 3rd 2020 |  In the regions of southern Germany, the test harvestings of July 27th yielded at the previous year's level. The amount of leaves is above average. In the Rheinland and Söllingen regions, we will begin testing sugar beet fields on the 10th of the month August.

Good sowing conditions were followed by a dry April, and comparatively little rain fell in May as well. The field emergence was problematic if the sowing was too flat or if the drill coulters were running unevenly in depth. Due to the lack of soil water connection, the beets did not emerge equally and so-called "storayed beets" developed.

In the centre and south of Germany, comparatively little damage due to virus yellow has been observed so far, while in the west the infestation on a small area is quite considerable.

27.08.2020 | Two people were needed to harvest the beets in the Söllingen/Wolfenbüttel area in August. This is because the soil has dried up to now to 0 percent nFk down to a depth of 30 cm. The maps of the Helmholtz Centre for Environmental Research show the most affected regions and the temporal course of soil moisture (UFZ-Dürremonitor/ Helmholtz-Zentrum für Umweltforschung). 

video: Test harvestings in the August region Söllingen/Wolfenbüttel: Two people are needed to grub the beets from the dried-out and hard soil as loss-free as possible. 

September 7th 2020 | Regionally, pressure from leaf diseases is still high at times. Taking into account the rodenticide deadline and waiting period, the last fungicide measures have been completed.
The first harvest estimate by the German Sugar Industry Association is a federal average of 72.6 t/ha beet yield with a sugar content of 18.1 percent. Nationwide a production of 4.13 million tons of sugar is expected. The harvest forecast of the EU Commission's agricultural monitoring estimates the beet yield in Germany at 75.3 t/ha, 3.6 percent higher than in 2019.
The sample harvesting results show how gratefully and efficiently the sugar beet converts every drop of water that has fallen in the last 14 days into yield. 

Results of our test harvestings

region Rheinland (Titz/Vettweiß) 19th October

11 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 70 - 95
  • plant density 70.000 to 110.000 plants per hectare
  • date of sowing 28th to 11th April 2020
      
Precipitation in mm 202020192018ø 2010-2019
01.10.-31.03. 449342322308
01.04.-04.10. 218288182388
05.10.-19.10. 1431020
01.01.-19.10. 467523333557

 
 

  SBY SCWSC SYWSY K Na  AmN SML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
10.08.2020 60,4 18,516,5 11,19  9,97 36,24,918,61,42 -
24.08.2020 77,3 16,014,2 12,4010,98 29,04,315,01,24 -
07.09.2020 88,8 17,215,4 15,2713,65 31,34,713,41,23 -
21.09.2020 88,6 19,417,5 17,1715,50 31,84,515,41,29 -
05.10.2020 98,3 18,016,2 17,7415,92 29,04,615,41,25 -
19.10.2020 101,1 18,316,4 18,4516,58 30,34,314,91,25 -
                
21.10.2019 82,8 18,016,0 14,8813,25 30,94,119,51,37 -
22.10.2018 77,4 19,417,3 15,0013,40 34,94,321,61,47 -
23.10.2017 113,7 18,716,8 21,2419,06 31,53,017,41,31 -
ø 2015-2019 91,9 18,616,6 17,0515,28 32,34,017,31,33 -

19.10.2020 rel.

 110 9899 108109 941078694 

-

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 Söllingen (Helmstedt/Wolfenbüttel) 19th October

5 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 75 - 95
  • plant density 95.000 to 115.000 plants per hectare
  • date of sowing 1st to 3rd April 2020

  

Precipitation in mm 202020192018ø 2010-2019
01.10.-31.03. 293233281282
01.04.-04.10. 192294137344
05.10.-19.10. 2918022
01.01.-19.10. 387446247486

 
 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
10.08.2020 52,4 18,416,2 9,658,51 38,96,122,71,57 71
24.08.2020 61,9 18,516,5 11,4610,24 35,75,516,11,36 60
07.09.2020 78,3 18,416,4 14,4112,85 36,15,816,81,39 46
21.09.2020 76,9 20,618,6 15,8514,30 34,25,618,71,41 40
05.10.2020 89,1 19,417,5 17,2915,60 32,95,414,41,29 38
19.10.2020 97,3 18,616,7 18,1116,28 33,95,313,51,27 36
                
21.10.2019 97,6 19,417,6 18,9517,21 31,63,311,71,18 29
22.10.2018 75,1 21,419,4 16,1014,61 34,93,018,71,39 30
23.10.2017 95,1 18,516,9 17,5816,06 27,93,26,21,00 37
ø 2015-2019 88,1 19,217,4 16,9215,36 31,63,211,11,16 36

19.10.2020 rel.

 110 9796 107106 107166121109 99

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) 5th October

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 63 - 85
  • plant density 80.000 to 95.000 plants per hectare
  • date of sowing 26. bis 31. März 2020
     
Precipitation in mm 202020192018ø 2010 - 2019
01.10.-31.03. 224189230217
01.04.-20.09. 263231213334
21.09.-05.10. 42341620
01.01.-05.10. 422366321443

 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
27.07.2020 33,2 18,216,2 6,045,40 34,75,714,71,32 131
10.08.2020 42,0 19,517,4 8,217,32 45,24,218,31,51 79
24.08.2020 62,2 16,414,6 10,29,07 32,73,212,61,21 67
07.09.2020 73,4 17,115,2 12,5811,17 41,13,512,51,32 52
21.09.2020 71,6 19,217,2 13,7812,30 45,54,815,61,46 53
05.10.2020 77,7 20,318,6 15,7314,41 32,62,38,21,10 31
                
07.10.2019 59,9 19,717,9 11,7810,73 33,82,59,91,15 32

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) 5th October

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 70 - 80
  • plant density 70.000 to 110.000 plants per hectare
  • date of sowing March 27th until April 4th 2020

  

Precipitation in mm 202020192018ø 2010 - 2019
01.10.-31.03. 382234316249
01.04.-20.09. 208311246364
21.09.-05.10. 2665524
01.01.-05.10. 428501400490

 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
27.07.2020 38,1 17,916,0 6,826,09 38,85,412,11,30 102
10.08.2020  48,2 20,418,0 9,858,67 47,97,129,21,84 63
24.08.2020 61,0 17,815,6 10,839,53 40,15,421,01,53 49
07.09.2020 68,9 17,915,9 12,3510,98 38,75,116,21,39 50
21.09.2020 75,3 19,417,3 14,6013,01 41,25,719,91,52 44
05.10.2020 79,8 19,117,1 15,3013,68 40,05,716,31,42 45
                
07.10.2019 93,4 18,917,2 17,6816,03 30,33,412,11,17 51
08.10.2018 75,4 19,717,9 14,8713,47 33,83,913,81,26 29
09.10.2017 116,3 18,416,7 21,4119,47 31,71,47,71,06 47
ø 2015-2019 90,3 18,917,0 17,0915,39 32,63,615,21,28 44

05.10.2020 rel.

 88 101100 9089 123160107111 101

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) 5th October

3 fields

  • soil type luvisol (para brown earth) / brown earth
  • ground points (valuation index of fields) 75 - 95
  • plant density 75.000 to 103.000 plants per hectare

 

Precipitation in mm 202020192018ø 2010 - 2019
01.10.-31.03. 286223286254
01.04.-20.09. 226269231343
21.09.-05.10. 2968125
01.01.-05.10. 406419365468

 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
27.07.2020 39,5 19,417,2 7,656,80 42,46,120,31,55 85
10.08.2020 44,6 21,419,1 9,548,51 41,45,627,91,71 57
24.08.2020 55,7 20,318,1 11,3010,10 34,84,325,51,56 57
07.09.2020 64,4 18,917,0 12,1810,93 33,84,716,21,33 26
21.09.2020 68,8 20,118,1 13,8212,43 37,94,518,01,42 20
05.10.2020 70,7 20,118,2 14,2412,90 35,14,214,51,30 22
                
07.10.2019 96,7 17,815,9 17,2115,36 31,46,715,91,32 24
08.10.2018 85,0 19,917,9 16,9215,21 31,63,721,51,42 20
09.10.2017 124,7 18,216,2 22,6320,21 37,42,716,11,35 41
ø 2016 - 2019 101,8 18,516,8 18,8117,07 36,16,819,51,46 67

05.10.2020 rel.

 70 109109 7676 97627589 32

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 (Südbayern) 5th October

3 fields

  • soil type luvisol (para brown earth)
  • ground points (valuation index of fields) 60 - 80
  • plant density 87.000 to 90.000 plants per hectare
  • date of sowing 28th until 31th March 2020
     
Precipitation in mm 202020192018ø 2010 - 2019
01.10.-31.03. 276333354287
01.04.-20.09. 319310260402
21.09.-05.10. 6136320
01.01.-05.10. 524493407548

 
 

  SBY SCWSC SYWSY KNaAmNSML leaf weight
  t/ha %% t/hat/ha mmol/1000 g sugar beet% %
27.07.2020 48,1 16,014,2 7,716,82 37,83,111,61,25 143
10.08.2020 65,4 15,914,1 10,409,25 34,92,49,41,15 104
24.08.2020 75,7 17,215,5 13,0411,72 33,32,210,31,15 82
07.09.2020  91,6 16,815,2 15,3513,90 25,41,77,70,99 70
21.09.2020 95,0 18,717,1 17,7616,22 26,91,98,01,02 62
05.10.2020 103,1 18,416,8 18,9617,32 26,82,07,31,00 56
                
07.10.2019 105,7 18,016,1 19,0617,07 42,62,011,51,29 42
08.10.2018 103,4 19,818,0 20,4718,63 31,51,512,61,18 32
09.10.2017 105,4 19,617,9 20,6218,88 29,31,98,31,05 51
ø 2015-2019 100,9 19,317,5 19,4517,68 34,71,710,01,16 44

05.10.2020 rel.

 102 9596 9798 771187386 128

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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