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ENGLISH ISSUE BIOGAS JOURNAL | AUTUMN_2023 The angled clearing tools on the John Deere corn planter machine clear the seed row. Hanspeter Lauper explains measurements of the automatic downforce control on his drill machine. a 6-row planter, allowing me to be more efficient.” In the ExactEmerge planter, a brush belt replaces the seed tube, which, according to Lauper, enables precise separation and accurate transport of the seeds into the seed slot at speeds of up to 16 km/h. Hanspeter Lauper explains: “The John Deere ExactEmerge is actually only available from 8-row maize planters upwards (12, 16 and 24 row). However, it was converted to a 6-row configuration and three-point hitch attachment with an additionally welded frame.” (km/h) due to power constraints, but we accept that. In total, these instances account for a maximum of 20 percent of our operations.” Lauper followed the same approach with the precision planter he has been using for planting corn and other single-seed crops since 2017: The Exact- Emerge made by John Deere is normally only available from 8 rows upwards (12, 16, and 24 rows). However, it was modified to a 6-row configuration with a specially welded frame for three-point hitch mounting. “In Switzerland, we frequently change fields. The average field size is 1.3 hectares,” explains the agricultural technician. “I often have to switch varieties from one customer to another, which means emptying and refilling the seed hoppers. With our setup, the setup times are significantly shorter with Corn Planter: A Quick Overview of Tools Standing right next to the precision planter, Lauper explains the tools from front to back: The first set of discs is used to apply liquid or solid fertilizer alongside the seed row. “The next part is specific equipment for Conservation Agriculture, to remove cover crops in front of the seed slot,” he explains. The row clearers made by the US company Yetter Farm Equipment, a pair of wheels with a corrugated profile set at an angle to each other, are pneumatically adjustable. They prevent the dreaded “hair pinning” in no-till farming, in which the seed lies on straw instead of fine soil, preventing germination. “Then comes a pair of depth control wheels, at which the required coulter pressure is measured,” Lauper continues. This machine has automatic coulter pressure regulation as a standard feature. “Between the depth control wheels, there is the seed shoe, and behind it is the liquid fertilizer delivery tube into the seed slot. I prefer ammonium polyphosphate with 10 units of nitrogen and 34 units of phosphorus (10-34 APP). Phosphorus is important for root development in the starter fertilizer application.” PHOTOGRAPHS: LANDAG AG, CHRISTIAN DANY 10
BIOGAS JOURNAL | AUTUMN_2023 ENGLISH ISSUE Hanspeter Lauper on a field with the green manure mixture developed by Landag. No-Till – Knowledge and Exchange of Experience The canton of Bern is a stronghold of conservation tillage. It is home not only to pioneers like the agronomist Wolfgang Sturny and the agricultural technician Hanspeter Lauper, but also to numerous practitioners. The scene is led by Dr. Bernhard Streit from the Bern University of Applied Sciences, School of Agricultural, Forest, and Food Sciences (HAFL), who has been conducting long-term no-till farming experiments. In 1995, the pioneers established the Swiss No-Till Interest Group, which was later transformed into an association in 2000. Swiss No Till promotes soil-friendly agriculture, provides information on no-till practices, and facilitates the exchange of knowledge and information events In June 2021, the community experienced a highlight when the 8th World Congress on Conservation Agriculture took place in Bern with 780 participants both online and on-site. Swiss No Till organized two field days as part of the congress. During the event, it was announced that over 200 million hectares worldwide are being managed according to the principles of Conservation Agriculture (as of 2019). Just over a decade ago, this number was only 100 million hectares. In Europe, the share of Conservation Agriculture increased from 4 percent to 16 percent during that time. The equivalent organization to Swiss No Till in Germany is the Gesellschaft für Konservierende Bodenbearbeitung (GKB) e.V. www.no-till.ch www.gkb-ev.de PERFECTLY PERFECTLY A LL. R U N S. Lauper: “I’ve had many discussions with fertilizer advisors who say there can be burn issues. However, it’s important to consider the salt content of the fertilizer. If you have the right product, that won’t happen, and you can strongly promote the formation of roots. We place solid ammonium fertilizer in front of the seed row. The slightly V-shaped closing wheels at the very back ultimately close the seed slot. That’s the entire system.” Green Manure is not Incorporated Lauper and his colleagues do not apply liquid manure or compost directly during seeding: “We noticed excessive fertilization here and have also had seed that was burned,” says the company’s CEO. The risk of burning may be lower with compost compared to liquid manure, but he cannot provide any definite information on this. He also does not want to give specific recommendations for biogas maize 11 HIGH- PERFORMANCE LUBRICANTS made in Germany www.addinol.de
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ENGLISH ISSUE 12 - 14 December 2023
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