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In 2020 the Department is conducting over 300 Grains Research trials across the state from Kununurra in the north to Esperance in the south.
Lupins should be harvested as soon as they are mature to minimise significant yield loss.
40% lower germination was measured from seed of plants exposed to wetting and drying at maturity.
Wild radish (Raphanus raphanistrum) is highly competitive in crops and can cause a yield loss of 10-90%.