46
P. Cepuder and V. aus-der-Schmitten
21.07. Disc harrow
21.08. Spike harrow
10.09. Drill planting canola
21.09. Ferti lization NITRAMO CAL
(110 kg ha- 1 )
21.04. Fertilization NPK 20:8: 8
09.02. Fertilization NPK 20:8:8
(ISO kg ha· 1 )
(200 kg ha· 1 )
15.05 Fertilization
3 1.03. Fertilization
PK 20:8:8
NITRAMO AL (110 kg ha· l )
(200 kg ha- 1 )
20.07. Harvesting winter wheat
01.07. Harvesting canola
21.07. Disc harrow
05 .07. Spike harrow
21.08. Spike harrow
26.07. S ike harrow
10.09. Drill planting canol a
10.08. Drill planting cover crop
21.09. Fertilization
(mustard)
NITRAMONCAL (110 kg ha- 1 )
15.10. Mulch treader
02. 12. Moldboard plow
Weather parameters were taken from the proximate climate station
Obersiebenbrunn. Values of precipitation from 1978 to 1999 are shown in Table 2.