Coulters and springs

According to customeres wishes and to local conditions is possible to equip the seed drills Mistral with following sowing coulters:

Suffolk coulters  the most frequently used types, available for midle heavy soil
Band coulters  Available for well cultivated light and sandy soils
Disc coulters  Available for heavy soils, it is necessary to cultivate the soil
Single disc coulters

Behind the sowing coulters are used 2 types of harrowing springs:

Harrowing springs Aggregates behind suffolk and band coulters
S-harrowing springs  Aggregates behind disc coulters