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Ultra precision planting with wood pulp fiber tapes

20-10-2023 | |
Ribbon seeding involves placing a seed tape in the ground using a specialized planting machine. Seeds are pre-attached to one side of the tape in the factory. - Photo's: Koos Groenewold
Ribbon seeding involves placing a seed tape in the ground using a specialized planting machine. Seeds are pre-attached to one side of the tape in the factory. - Photo's: Koos Groenewold

In the realm of precision agriculture, a novel approach is gaining attention—seeding with wood pulp fiber tapes. Known as ribbon or tape seeding, this method promises enhanced uniformity, more secure emergence, and reduced reliance on chemical agents. Currently under trial in the Netherlands, the initial outcomes are promising.

Researcher Erik Reijnierse from Wageningen University envisions significant potential for the tape or ribbon seeding technique, especially for specific fine-seeded crops. Regardless of soil type, whether clay or sand, Reijnierse is investigating the viability of ribbon seeding. This research is conducted in collaboration with the Dutch startup company S&dB based in Nederweert.

From onions to parsnips: versatility of ribbon seeding

Tape seeding involves the placement of a seed tape into the ground using a specialized planting machine. Seeds are pre-attached to one side of the tape in the factory. Reijnierse suggests various crops suitable for this method, including chicory, shallots, leeks, onions, parsnips, and other fine-seeded vegetables or flowers. These crops, particularly vulnerable during the germination period if optimal moisture is not ensured, stand to benefit from ribbon seeding.

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Erik Reijnierse from WUR: 'What we are examining is whether the system can work. It's about a proof of concept.'
Erik Reijnierse from WUR: 'What we are examining is whether the system can work. It's about a proof of concept.'

Mitigating setbacks in weed control

Ribbon seeding also addresses challenges in weed control. Uneven emergence during weeding can have a severe impact on smaller plants. This leads to increased weed competition and reduced efficiency in the control of two-leaf stage weeds. Companies like Sensus are keenly interested in the potential of this technique for its contributions to weed management.

Wood pulp fiber tape: a unique approach

The uniqueness of the S&dB seed tape lies in the use of a carrier material made from ‘non-woven’ wood pulp fibers. Unlike traditional seed tapes with seeds sandwiched between two layers of paper, S&dB’s innovation features seeds attached to one side. The tape is precisely placed vertically into the soil by two wheels or discs, ensuring accurate seed placement. This method allows capillary uptake of moisture to reach the seeds, promoting uniform germination.

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Ribbon seeding is aimed at a more uniform product. Two rows of carrots in a trial field in Vredepeel. Inter-row distance: 5 cm.
Ribbon seeding is aimed at a more uniform product. Two rows of carrots in a trial field in Vredepeel. Inter-row distance: 5 cm.

Unleashing new possibilities

Ribbon seeding facilitates extremely shallow seedbed preparation, minimizing moisture loss. Once laid in the soil, the seed tape unrolls automatically. The machine is not power-take-off (PTO) driven. Further developments may include coating additives on the film layer of the seed tape, allowing it to carry natural-origin fertilizers or pesticides. This targeted approach ensures precision in application.

Proof of concept and beyond

Erik Reijnierse emphasizes that the ongoing evaluation aims to determine the feasibility of the system—a proof of concept. This evaluation encompasses not only the technical aspects of the system but also the logistical challenges associated with ordering seed tapes in advance, fixing the planting distance upon order, and the overarching business case. The latter involves comparing the costs of seed tapes against potential benefits like a more uniform harvest, increased yield, or earlier harvesting.

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Detail of the special ribbon seeder with the roller ( on the top right ) with the seeding ribbon directed to the seeding element below.
Detail of the special ribbon seeder with the roller ( on the top right ) with the seeding ribbon directed to the seeding element below.

Sustainability comes at a price

Gerard Otten, the founder and technical expert at S&dB, refrains from detailing the specific returns of ribbon seeding at this stage, citing the system’s ongoing development. The system’s cost is clear, but its market positioning is value-based. Conversations with seed companies like Sensus and Groot & Slot are ongoing to explore potential applications in crops like chicory and shallots. The focus remains on providing a value proposition that aligns with increased yield, sustainability, early seeding opportunities, and reduced weed control. While specific returns are not disclosed at this moment, the emphasis is certainly on the farmer’s overall benefit.

Tholhuijsen
Leo Tholhuijsen Arable writer
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