Grazing Trial to be conducted at Billa Kalina Published 21 February 2017 at 560 × 560 in Grazing Trial to be conducted at Billa Kalina ← Previous As can be seen from the photo, the spring has a fairly uniform coverage of low sedges, in this case the bore-drain sedge Cyperus laevigatus. There are currently no reeds, Phragmites, at the site.