5.13.1 RoTeC and RoTeC+ coulter
The RoTeC coulter (Fig. 78/1) and the RoTeC+
coulter (Fig. 78/2)
• form a sowing slit in the soil compacted in
strips by the tapered ring tyres.
• deposit the seed in the sowing slit.
The flexible plastic disc (Fig. 78/3)
• limits the seed planting depth
• cleans the rear side of the sowing disc (Fig.
78/4)
• improves the drive of the sowing disc by
gripping the soil.
78
The RoTeC and RoTeC+ coulters are used for ploughing and mulch
sowing.
Also on fields with large quantities of straw and plant remains, mulch
sowing is possible with RoTeC and RoTeC+ coulters.
At high travel speeds, the sowing disc (Fig. 78/4), which is inclined
with respect to the direction of travel, shifts little soil.
The steady coulter ride and the precise seed placement result from
the high coulter pressure and the support of the coulter on the plastic
disc.
The flat sowing disc (Fig. 79) allows very shallow
sowing, e.g. in particularly light sandy soils.
Fig. 79
80 Cirrus BAH0049-1 09.14
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