Precision drilling increases maize yields

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Greater yields, more energy, increased gas production – the benefits of DeltaRow sowing with the Lemken Azurit precision seed drill compared to conventional single-row drilling have once again been confirmed in a bachelor’s thesis submitted to Osnabruck University in 2020.

These positive effects were evident in all trialled variations, but were most pronounced at a seed rate of eight seeds per square metre, which is commonly used in the region. At this rate, increases of 4.5 percent in maize yields, 8.2 percent in net energy lactation (NEL), 7.9 percent in metabolisable energy (ME) and 5.4 percent in gas yields were observed compared to the respective values achieved with single-row drilling without DeltaRow. These yield and quality advantages delivered by the DeltaRow approach are due to the fact that DeltaRow gives plants about 70 percent more space to develop compared to conventional single-row approaches. As a result, each plant has more space to absorb water and nutrients from and therefore more room to grow. This has a beneficial effect on plant development.

The trial was conducted in Borken (North Rhine-Westphalia) in the spring of 2020. The effects of the factors seed rate (seven, eight or nine seeds per square metre) and sowing approach on crop yield and quality were examined by means of a large-scale plot trial. Naturally, tillage, seed strain, sowing and harvesting times were identical for all trial variants.

 

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Editor of Agronomist and Arable Farmer as well as responsibility for the Agronomist and Arable Farmer and Farm Business websites. After 17 years milking cows on the family farm John started writing about agriculture in 1998 and has since written for a variety of publications and has developed a wide circle of contacts within the industry. When not working John is an avid follower of Stoke City.