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Kōrero: Rock, limestone and clay

Topdressing

Video file

View footage of a topdressing plane spreading fertiliser. Aerial topdressing was used extensively in New Zealand in the 1950s and 1960s to improve the quality of rugged farmland.

Te whakamahi i tēnei tūemi

TVNZ Television New Zealand

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Ngā whakaahua me ngā rauemi katoa o tēnei kōrero

Me pēnei te tohu i te whārang

Carl Walrond, Rock, limestone and clay – Other minerals, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/video/5262/topdressing (accessed 24 June 2026).

He kōrero nā Carl Walrond, i tāngia i te 2 March 2009.