At each site, pieces of water-soaked wood containing eggs were placed on the surface of the soil, and covered with a 5-cm layer of moist sphagnum moss.
(pieces of water-soaked wood containing eggs; were placed; on the surface of the soil; L:At each site) (pieces of water-soaked wood containing eggs; covered; with a 5-cm layer of moist sphagnum moss)
pieces of water-soaked wood containing eggs pieces of water-soaked wood containing eggs
were placed covered
on the surface of the soil L:At each site
with a 5-cm layer of moist sphagnum moss