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Aerial topdressing is the aerial application of fertilisers over farmland using agricultural aircraft. It was developed in New Zealand in the 1940s and rapidly adopted elsewhere in the 1950s.
Research, Origins & Success in New Zealand
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Aerial topdressing | is a | aerial application of fertilisers over farmland using agricultural aircraft | 0.90 | text |
| cobalt | instance of | had proven deficient in trace minerals | 0.80 | text |
| copper | instance of | had proven deficient in trace minerals | 0.80 | text |
| selenium | instance of | had proven deficient in trace minerals | 0.80 | text |
| forcing difficult topdressing by hand in rough country | instance of | had proven deficient in trace minerals | 0.80 | text |
| or abandoning the land for forestry | instance of | had proven deficient in trace minerals | 0.80 | text |
| an enclosed cockpit | instance of | with a few changes | 0.80 | text |
| the Schweizer Agcat emerged in America in the mid-1950s | instance of | Airparts bought out the rights and continued development locally.Specialist crop dusters | 0.80 | text |
| designed for the flat mid-west | instance of | Airparts bought out the rights and continued development locally.Specialist crop dusters | 0.80 | text |
| aircraft development | instance of | with separate chapters about matters | 0.80 | text |
| Aerial topdressing | related to Aircraft | By | 0.60 | section |
| Aerial topdressing | related to Aircraft | New Zealand | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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