Product information

What is RETENTIS®?

RETENTIS® is a wood-based (lignin) biological granulate that increases the water and nutrient storage capacity of the soil and promotes soil fertility.

What is the difference between “Agrobiogel” and “RETENTIS®”?

Both products are based on AgroBiogel GmbH's lignin technology. “Agrobiogel” was the original product name, while “RETENTIS®” is the current brand name for the further developed product.

How does RETENTIS® work?

RETENTIS® stores water and releases it slowly to the plants during drought, reducing plant stress and supporting healthy growth.

Is RETENTIS® an organic product?

Yes, RETENTIS® is a biological product and suitable for use in organic farming.

What packaging sizes are available?

RETENTIS® is available in 750 g pouches, 20 kg paper sacks, and big bags.

More about the RETENTIS® effect →

Application & dosage

Where can RETENTIS® be used?

RETENTIS® is universally applicable: in all soil types, planters, beds, and even for grave plantings.

How do you use RETENTIS®?

RETENTIS® should be mixed dry with the substrate or superficially incorporated into the soil (approximately 5–10 cm deep). After incorporation, sufficient watering is required to activate the

What is the correct dosage for RETENTIS®?

  • Potted plants: 10–20 g per liter of substrate
  • New plantings (e.g. wine, fruit): 100–200 g per plant
  • Vegetables: 250–500 g/m²
  • Lawns and ornamental plants: 250–500 g/m²
  • Substrate mixtures: 10–40 g per liter of substrate

How often should RETENTIS® be applied?

One application is recommended for each new planting. RETENTIS® remains active in the soil for 3–5 years.

Can I apply RETENTIS® to existing plantations?

Yes, RETENTIS® can be injected directly into
compacted root zones of older trees using an injection lance. This
allows existing trees to benefit from longer-lasting water and
nutrient reserves.

Please contact Bamschneider for more information.

To the application areas →
Hand hält eine Portion RETENTIS®-Wasserspeichergel von Agrobiogel vor frisch gepflanzten Setzlingen im Boden, mit einem Fragezeichen als Hinweis auf die Berechnung der benötigten Menge (RETENTIS® Calc).

RETENTIS®-Calc

The RETENTIS®Calc tools provide you with the perfect dosage, water-saving effect and the right packaging size in seconds – simply enter the area or number of plants for the application area in RETENTIS®Calc or select a round or square container for the plant container in RETENTIS®Calc and get started.

To the calculation tools →