Two men are filling the fertiliser box on a seed drill. There is also a box in front for the seed. A drill can be calibrated for sowing different sized seeds and different rates of fertiliser. The seed and fertiliser are metered out by a mechanism driven by the drill’s wheels as it is pulled along. The seed and fertiliser fall down separate tubes behind the coulter (blade) and are ‘drilled’ into the soil.
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Permission of the Alexander Turnbull Library, National Library of New Zealand, Te Puna Mātauranga o Aotearoa, must be obtained before any re-use of this image.