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Table 2 Cultivars of the tested variants and cultivation dates at the main field trials Reinshof and Sömmerling in both years of trial (2015 and 2016)

From: Trace element delivery for biogas production enhanced by alternative energy crops: results from two-year field trials

Variant Cultivar Seed Sowing
Reinshof
Harvest
Reinshof
Sowing
Sömmerling
Harvest
Sömmerling
Per. flower mix.
(PF Mix)
BG 70 10 kg ha− 1 08-May-2015 01-Sep-2015
15-Aug-2016
12-May-2015 24-Aug-2015
18-Aug-2016
Ryegrass (RG) Alligator 40 kg ha− 1 01-Oct-2014 3 cuts 2015
3 cuts 2016
25-Mar-2015 3 cuts 2016
Cup plant (CP) Chrestensen 4 pl m−2 19-May-2015 31-Aug-2016 20-May-2015 25-Aug-2016
Ann. flower mix.
(AF Mix)
BG 80 10 kg ha− 1 08-May-2015
12-May-2016
05-Oct-2015
11-Oct-2016
12-May-2015
17-May-2016
06-Oct-2015
04-Oct-2016
Su faba bean
(FB Su)
Fanfare 40 s m− 2 09-Apr-2015
16-Mar-2016
15-Jul-2015
12-Jul-2016
25-Mar-2015
17-Mar-2016
16-Jul-2015
13-Jul-2016
Amaranth (A) Bärnkrafft 40 s m− 2 18-May-2015
10-May-2016
05-Oct-2015
11-Oct-2016
12-May-2015
17-May-2016
06-Oct-2015
04-Oct-2016
Maize-main (M) Amadeo 25 s m− 2 11-May-2015
10-May-2016
29-Sep-2015
12-Sep-2016
12-May-2015
11-May-2016
30-Sep-2015
19-Sep-2016
Amaranth/maize
(AM)
Bärnkrafft/
Amadeo
78 s m− 2
10 s m− 2
11-May-2015
10-May-2016
29-Sep-2015
12-Sep-2016
12-May-2015
11-May-2016
30-Sep-2015
19-Sep-2016
Wi faba bean
(FB Wi)
Nordica 25 s m− 2 01-Oct-2014
06-Oct-2015
02-Jun-2015
06-Jun-2016
06-Oct-2014
13-Oct-2015
09-Jun-2015
13-Jun-2016
Wi triticale (Tri) Balu 375 s m− 2 01-Oct-2014
03-Oct-2015
02-Jun-2015
06-Jun-2016
06-Oct-2014
13-Oct-2015
09-Jun-2015
13-Jun-2016
Faba bean/trit
(FB Wi Tri)
Nordica/
Balu
25 s m−2
281 s m− 2
01-Oct-2014
06-Oct-2015
02-Jun-2015
06-Jun-2016
06-Oct-2014
13-Oct-2015
09-Jun-2015
13-Jun-2016
Rye/vetch (RV) Conduct/
Welta
120 kg ha−1 01-Oct-2014
03-Oct-2015
02-Jun-2015
06-Jun-2016
13-Oct-2015 13-Jun-2016
Maize
(second) (M)
Simpatico
Cathy (Re)/ P7326 (Sö)
9 s m − 2 08-Jun-2015
10-Jun-2016
21-Oct-2015
27-Oct-2016
17-Jun-2015
21-Jun-2016
05-Nov-2015
31-Oct-2016
  1. s seeds, pl plants, Re Reinshof, Sömmerling