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ENGLISH ISSUE BIOGAS JOURNAL | AUTUMN_2023 Installation of the automatic downforce control system by Precision Planting on the self-designed drill machine: Manual depth adjustment is located at the bottom right, and the connector for the pressure sensor is positioned at the top. “Each row unit practically has its own small computer,” says Lauper. Hydraulic lines on the self-built frame of the drill machine, with the control block on the left providing the necessary hydraulic pressure. cultivation, but he emphasizes: “GPS harvesting is often carried out for biogas production, removing everything. That’s why it’s important to cultivate green manure. Especially in maize cultivation, it’s important to utilize the long fallow period to replenish the soil with organic matter. If you want to build up the soil, you need food for the earthworms. The difference to regenerative agriculture is that we leave the green manure on the surface and do not incorporate it, as it protects the soil from erosion and drying out.” Landag has developed its own green manure mixture that is suitable for maize cultivation as well. “Sowing mustard alone is not sufficient for the soil,” Lauper says. The mixture costs 160 to 240 Swiss francs per hectare and consists of four legume species, phacelia, and buckwheat, an extremely vigorous aster species (see picture). Summer or sand oats can be included upon customer request. Summer oats are very cost-effective seeds, and sand oats are believed to help control wireworms. Maize Cultivation: better cover crops instead of undersowing The Swiss farmer points to a field with green manuring, pushes aside the tall plants, and immediately reveals fine-crumbly soil with worm castings. When it comes to corn, he recommends using only cover crops that freeze, as corn does not tolerate competition in its ini- PHOTOGRAPHS: LANDAG AG Biogaskontor Biogaskontor scratch-resistant scratch-resistant special glass special glass Köberle Köberle GmbH GmbH Köberle GmbH Bull‘s eyes Bull‘s for eyes any for application any Bull‘s application eyes for any application DLG approved DLG components approved components DLG approved compon for biogasplants for biogasplants for biogasplants scratch-resistant special glass With two With two inspection inspection glasses glasses Full control at a Full glance! control at a glance! With two inspection glasses Full control at a glance! r spacing tube For spacing or tube On steel or plate On with For steel spacing plate With with tube immersion or With On for immersion steel lookplate for with Over- look Underpressure With Over- immersion Underpressure for look Over- Underpressure Over- Underpressure ore drilled hole core drilled customizable hole customizable sizecore drilled size hole around the corner customizable around the corner size relief device around relief ÜU-TT the device corner ÜU-TT relief device relief ÜU-GD ÜU-TT device ÜU-GD 300 + Ø400 mm Ø300 + Ø400 mm Ø300 + Ø400 mm for membrane for cover membrane digestors cover digestors for for membrane hard top cover digestors for hard digestors top digestors uipment: Lamps, Equipment: rosettes, Lamps, lining rosettes, sleeves, Equipment: lining sun covers, sleeves, Lamps, etc. sun covers, rosettes, etc. lining sleeves, sun covers, etc. ore features: More 12 Air features: dosing units Air dosing for desulfurization, units More for features: desulfurization, measuring Air dosing systems, measuring units warn for systems, desulfurization, signs warn signs measuring systems, warn signs Over- Und relief dev for hard to www.biogaskontor.de www.biogaskontor.de • www.biogaskontor.de • info@biogaskontor.de • Germany • • info@biogaskontor.de 89611 • Germany 89611 Obermarchtal, 89611 Obermarchtal • Germany • Tel +49(0)737595038-0 • • 89611 Tel Tel +49(0)737595038-0 Obermarchtal • Tel +49(0)737
BIOGAS JOURNAL | AUTUMN_2023 ENGLISH ISSUE The Advantages of Conservation Tillage Consistent no-till farming, minimal soil disturbance, and continuous soil cover improve soil structure and water management. They ensure optimal nutrient supply and prevent nutrient leaching. They protect against erosion, enhance topsoil organic matter content, and promote carbon sequestration. In addition, they reduce energy requirements and lower production costs per unit area. Conservation tillage preserves soil fertility, resulting in long-term stable yields. Source: Swiss-No-Till-Guide tial development phase. He prefers growing a cover crop instead of a undersown crop because nurse crops can be difficult to control: “Either they become too strong or too weak.” “When less light reaches the ground, there is less weed pressure,” Lauper says, highlighting another important function of green manuring. “In maize cultivation, dry soil is important, and should be at least 8 degrees Celsius. There is a bit of a contradiction here: If you have abundant, good green manure, the soil doesn’t dry out as quickly – and it doesn’t warm up as quickly either. The beneficial effect of covering also has this disadvantageous effect. To avoid using herbicides, we roll down the green manure if necessary before sowing.” On a trial field, the treatment with a disc roller between the rows yielded good results. However, Lauper does not see no-till farming as purely ideological. “With mulch seeding, you have rapid drying at the time of sowing. With no-till farming, you may have to wait a bit longer, and if it’s a wet spring, a pass with a soil cultivation implement can be helpful. But it shouldn’t be too wet either. It’s always a balance.” The soil may possibly also require loosen- Lauper’s drill machine was still in full operation for sowing cover crops during the on-site visit in mid-November. No-till farming of grain: The crumbly soil with a significant amount of earthworm castings can be seen between the rows. ents Biogas expertise from one source COMPONENTS REPOWERING PLANT CONSTRUCTION erpressure ice ÜU-GD p digestors 595038-0 www.anaergia-technologies.com Find us on YouTube 13
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ENGLISH ISSUE 12 - 14 December 2023
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Autumn 2023 EN

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