A narrow deep furrow is usually run immediately in advance of the planter, to break up the soil under the seed.
"ploughing his furrow alone," as he afterwards phrased it.
A piece of iron called the slade is bolted to the bottom of the frame, and this, running along the sole of the furrow, acts as a base to the whole implement.
- One, or a few, of the posterior maxillary teeth have a groove or furrow in front, which conducts the secretion of the enlarged upper labial glands.
In the cortical tissue beneatJI each furrow a wide intercellular space is present running the length of the internode, and called the (C, D, E from Strasburger's Lehrbuch der Bolanik, by permission of Gustav Fischer.) FIG.