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Strategic irrigation stress can lift lucerne seed yield and returns
A five-year trial near Keith, South Australia, found that strategically delaying irrigation until plants showed early signs of leaf drop generally increased seed yield and consistently delivered the highest gross margin.
AI Summary
A five‑year field trial near Keith, South Australia, found that postponing irrigation until alfalfa (lucerne) plants began to show early leaf drop generally boosted seed yield. The strategy consistently delivered the highest gross margin compared with more frequent watering. The results suggest that additional water does not automatically increase alfalfa seed production.
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