>>On the worst varieties we have had a yard of 48 in the middle of  640 A (260 
Ha) only to watch them forage pollen there, but fly two miles down the road 
to another field for nectar.

Polish sources recommend 2-4 hives per 1 ha for good pollination.  The plant's flow lasts 3 weeks in May.  With good weather 1 ha can yield 150-200 kg of honey.  Canola/rape is the first major honey plant to bloom there. The honey crop often fails due to cool weather.

Waldemar

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