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furrow sowing

Catalogue: GRDC Updates
Soil mixing such as rotary spading often proves an excellent clay incorporation method and offers opportunities for simultaneous incorporation of soil improvers such as lime or gypsum... The paired row seeding boots gave the highest yield response over knife points with nearly a 1t yield increase on the pale deep sand and a 650 kg/ha yield increase on the sandy gravel... Using rounded or 'V'-shaped press-wheels can minimise the risk of furrow collapse and infill and also prevent the furrow side walls being ripped up, which can occur with more rectangular shaped press-wheels creating a tumbling mass of soil behind the press wheel and poor product placement...
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Catalogue: GRDC Media
Furrow sowing often worsens water repellence.. New research findings confirm grower observations that Western Australia's most common seeding technique - furrow sowing using knife points and press wheels - often exacerbates water repellence on sandplain soils... "But recent evidence shows this technique can in some circumstances actually cause water repellent soil to become concentrated with the seed and fertiliser in the base of the furrow," he said "This may be a result of the flow of dry, water repellent soil around the knife point and into the slot ahead of the closer plate and press wheel...
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