Industrielles Hanfballenpressen: Wie Silageballenpressen die Hanffaserernte optimieren

von | Juli 20, 2026 | Anwendungen

Energy Crops · Industrial Hemp · Multi-Market Baling

One Plant, Four Industries — the Baling Decisions That Determine Which Market You Reach

How cutting height, moisture at baling, and bale format determine whether your hemp ends up as textile fibre, paper pulp, construction material, or animal bedding — and what each buyer pays.

Industrial Hemp: A Crop Where Every Baling Decision Affects Your Market

Industrial hemp (Cannabis sativa L., varieties with THC below 0.3% in the USA or 0.2% in the EU) is one of the most versatile plant crops commercially grown. A single hemp plant contains two structurally distinct fibre fractions — the long bast fibres in the outer stem (used for textiles, rope, and composite materials) and the woody inner core called hurd or shiv (used for construction insulation in hempcrete, animal bedding, and paper pulp) — plus a seed fraction with nutritional and oil value, and leaf and flower material used in nutraceuticals. This multi-fraction value structure means that the commercial value of a tonne of hemp varies by a factor of 10 to 50 depending on which fraction is harvested, how it is processed, and what market it reaches.

For baling operations, the critical insight is that the harvesting and baling decisions made in the field directly determine which processing pathway — and therefore which price point — the crop can access. Hemp baled as a green, high-moisture whole-stem silage bale is suitable for biogas or cattle roughage but not for textile fibre or construction hurd. Hemp baled dry as a whole-stem bundle with preserved fibre alignment is suitable for textile processing. Hemp stalks shredded and baled as dry biomass at low moisture are suitable for biomass combustion or pulping. Understanding what each pathway requires — before harvest decisions are made — is the essential starting point for any hemp baling operation.

This guide covers the four commercial baling pathways for industrial hemp: textile fibre supply, construction hurd (hempcrete), animal bedding, and biomass energy. Each requires different harvest timing, different moisture management, and different bale format. Our article on baler wrapper combination vs separate machines covers equipment configuration decisions relevant to the silage pathway for hemp biomass.

Round baler forming industrial hemp biomass bales from dry stems after field retting — one of four commercial baling pathways

Understanding Hemp Stem Structure and Value Fractions

Bast Fibre and Hurd: Two Products in One Stem

The hemp stem consists of a thin outer layer of long bast fibres (approximately 20 to 30% of stem dry weight) surrounding a woody inner core of hurd (70 to 80% of stem dry weight). These two fractions are physically bonded together in the growing plant and must be mechanically separated — a process called decortication — in a hemp processing facility. The quality of both fractions at the time of mill delivery depends directly on how the stems were harvested, dried, and baled in the field.

Market Primary Fraction Key Spec for Baling Price Range (EUR/t DM) Processing Step
Textile / linen Bast fibre (outer) Dry whole stem, fibre aligned 200–800 Decortication + retting
Hempcrete / insulation Hurd (inner core) Dry shredded stalk <15% moisture 80–180 Decortication + shredding
Animal bedding Hurd (shredded) Dry, dust-low, <14% moisture 120–250 Shredding + dust extraction
Biomass energy Whole stem or hurd Dry, <18% moisture 40–80 Direct combustion or pelletising
Paper pulp Whole stem Dry baled, consistent fibre length 60–120 Chemical or mechanical pulping

Why Moisture Management Is Non-Negotiable

Hemp stems at harvest carry 60 to 78% moisture. None of the commercial baling pathways above accepts hemp at this moisture level — the textile and construction industries require below 14% moisture for decortication quality, and biomass buyers specify 15 to 18% maximum. The moisture reduction from 70% at cutting to the required range of 12 to 16% is achieved through field retting — a process where the cut hemp is left on the ground for 4 to 8 weeks, allowing dew and rainfall to partially decompose the pectin that bonds bast fibres to the inner hurd, simultaneously drying the stems to the target moisture range. This combined biological and drying process is called field retting and is the standard pre-processing step in European hemp production for the textile and construction markets.

The Four Baling Pathways in Detail

Pathway 1: Textile Fibre Supply (Highest Value)

Hemp for textile bast fibre supply is cut at full stem maturity (when 50 to 70% of the male plants have shed pollen and seed fill has begun on female plants), laid in swathes for 4 to 8 weeks of field retting, then baled when stem moisture has reached 12 to 16%. The field retting period partially separates bast fibres from the hurd through microbial pectin degradation, making subsequent decortication more efficient. Bale format for textile supply is critical: the bales must preserve stem alignment (no random orientation of stems in the bale) and avoid crushing or breaking long fibre bundles that reduce the average staple length presented to the decortication machine. In France and Belgium — the primary European hemp textile production regions — large rectangular bales are preferred over round bales for textile supply because rectangular bales maintain more consistent fibre alignment. Round bales are accepted by some processors for lower-specification textile feedstock.

Pathway 2: Hempcrete and Construction Hurd

Construction hurd supply requires shredded hemp stalk at 30 to 60 mm particle length, moisture below 14%, and very low dust content (dust causes respiratory problems for construction workers mixing hempcrete). Round bales of whole retted stems are acceptable as an intermediate format for delivery to a decortication facility that shreds the hurd fraction separately — the round bale simply needs to be dry, clean, and free of foreign material. Direct delivery of round-baled stems to hempcrete manufacturers rather than through a decortication intermediary is possible only where the manufacturer has their own decortication capacity.

Pathway 3: Animal Bedding

Hemp hurd animal bedding is a growing premium market, particularly for horse bedding in the UK, Netherlands, and Germany where it commands €280 to €450 per tonne bagged retail — 2 to 3 times the price of premium wheat straw bedding. Hemp hurd’s very high absorbency (4 to 5 times its own weight in water), low dust content, and natural resistance to bacterial growth (from hemp’s residual cannabinoid compounds) make it genuinely superior to straw for stabled horses. Round-baled whole hemp stems are an acceptable delivery format to hemp bedding processors who decorticate and separate the hurd fraction on-site.

Pathway 4: Biomass Energy (Lowest Value, Simplest Logistics)

Hemp biomass for combustion or pelletising is the simplest pathway — dry whole stems or shredded stalks at below 18% moisture, baled in any consistent round bale format. This pathway requires no field retting (hemp can be baled directly after natural field drying to 15 to 18% moisture in 2 to 4 weeks post-cutting in continental European conditions), and bale specification is less demanding than for fibre or construction markets. The 9YG-1.25A Rundballenpresse mit variabler Kammer handles dry hemp stems at 14 to 18% moisture in standard round bale format for biomass delivery without modification.

Round baler processing dry industrial hemp stems after field retting — standard format for biomass and construction hurd supply chains

Regulations, Compliance, and Market Access

THC Compliance: The Non-Negotiable Prerequisite

Industrial hemp cultivation requires government licensing in every jurisdiction where it is legal — the EU, UK, USA (under the 2018 Farm Bill), Canada, China, and Australia all require crop variety registration, grower licensing, and in most cases field testing for THC content before or at harvest. Hemp varieties with THC above the legal threshold (0.3% in the USA, 0.2% in the EU) must be destroyed — no commercial sale is permitted regardless of the fibre or energy value of the crop. Operations planning commercial hemp baling must confirm compliance status before investing in any harvest or baling infrastructure.

Which Markets Require Which Certifications

EU textile hemp buyers require the crop to be grown from EU-certified low-THC varieties listed in the EU Common Catalogue of Varieties of Agricultural Plant Species. US hemp buyers under the USDA Hemp Production Programme require state or tribal plan compliance and pre-harvest testing. Chinese industrial hemp (工业大麻) grown in Yunnan province requires provincial agricultural bureau licensing and is subject to the same 0.3% THC threshold. Australian hemp fibre production is regulated at state level — Hemp Australia and various state industry bodies can advise on current licensing requirements in each state.

Häufig gestellte Fragen

What yield of dry hemp stalk can I expect per hectare?+
Hemp for fibre production yields 5 to 12 tonnes of dry stalk per hectare depending on variety, plant density, nitrogen fertilisation, and growing season length. High-density plantings (80 to 120 plants/m²) used for fibre production yield taller, finer-stemmed plants with higher bast fibre percentage. Lower-density plantings (20 to 40 plants/m²) used for seed or multi-use production yield shorter, thicker-stemmed plants with higher hurd percentage. European certified fibre varieties in France, Belgium, and the Netherlands typically yield 6 to 9 tonnes dry stalk per hectare under commercial conditions.
How long does field retting take, and what conditions are needed?+
Field retting duration depends on temperature, humidity, and rainfall pattern. In France and Belgium during August and September, standard retting takes 4 to 6 weeks to achieve the necessary partial pectin degradation for efficient decortication. In drier continental conditions (Ukraine, China’s Yunnan), retting takes 6 to 10 weeks or may need periodic dewing (exposing the stems to overnight moisture) to maintain the microbial activity needed for pectin breakdown. Incomplete retting makes decortication less efficient; over-retting causes fibre degradation that reduces tensile strength. Monitoring retting completion by testing fibre separation ease — pulling a stem from the batch and testing whether the bast peels cleanly from the hurd — is the standard field assessment method.
Can hemp be used as silage for cattle?+
Hemp can be ensiled at 55 to 65% moisture using a standard round baler and silage film wrapper. The resulting baleage has crude protein of 6 to 9% DM and moderate digestibility — useful as a supplementary roughage for beef cattle and dairy cows at 15 to 25% of total DMI. Cannabinoid compounds in hemp silage are degraded during fermentation to levels below any known pharmacological threshold for cattle, and no adverse effects have been documented in cattle fed hemp silage at normal inclusion rates. Hemp silage is not a high-value market — it competes on price with corn stover and wheat straw silage — but it provides a use for crop material that fails fibre or hurd market quality specifications.
What is the tractor horsepower needed for hemp baling?+
Dry retted hemp stems at 13 to 16% moisture are a light material relative to silage crops — a standard 50 to 70 hp tractor handles hemp baling without difficulty. The heavier power demand in hemp production is from the cutting equipment: a hemp cutter (cutting stems of 10 to 25 mm diameter at 100 to 150 cm height) typically requires 80 to 120 hp to operate at commercial throughput. The round baler is the lowest-power step in the hemp harvest chain.
Is there demand for hemp bales in China’s Yunnan province?+
Yes — Yunnan province has the largest industrial hemp cultivation area in China (estimated 50,000 to 100,000 hectares under licence at peak production years), supplying both domestic textile processing mills and CBD extract facilities. Hemp stalk baling for fibre supply to Yunnan’s textile mills follows the same dry baling protocol as European operations. The market for hemp biomass energy in Yunnan is smaller than in Europe — the dominant outlets are textile and CBD extract, with stalk residue after CBD extraction increasingly baled for local biomass boiler use at district heating facilities in Yunnan’s city centres.

EverPower manufacturing facility — round balers suitable for all four industrial hemp baling pathways across Europe, North America, and China

EverPower Ballenpressen Australien Pty Ltd · Industriegebiet Charlton

Discuss Your Industrial Hemp Baling Setup

Tell us your target market (textile, construction, bedding, or biomass), crop area, and retting plan — we’ll specify the right baler format for your hemp value chain.