ADVANCED HYDROGEL TECHNOLOGY
Developed specifically for water and nutrient retention in soil and potting mixes, STOCKOSORB® 660 optimizes moisture conditions for maximum plant growth.
STOCKOSORB® 660 stores hundreds of times its weight in water. On demand, as soil conditions turn dry, nutrient-rich water is released to the plant root zone where iti’s most needed. STOCKOSORB® 660 improves water & nutrient retention capacity of soils and substrates and increases water & nutrient plant availability due to a reduction of water and nutrient losses.
Benefits in agriculture and horticulture
Enhances seedling survival rate and promotes plant establishment
Enables a stronger and healthier plant and root growth also under hot & dry conditions
Increases crop yield quantity and quality
Allows to save cost for water, fertilizer, irrigation labor and maintenance
Reduces surface water run-off and soil erosion
Improves water and nutrient use efficiency
Increases cost efficiency and the safety margin in plant production
Benefits in Forestry
Prolongs planting seasons into dry period
Allows earlier harvesting
Benefits in Ornamentals
Promotes vegetative growth and flowerin
Maintains plant vitality in garden centers
- STOCKOSORB® 660 Series
STOCKOSORB® 660 is based on a hydrogel technology designed for the agricultural and horticultural sectors for water and soil management. STOCKOSORB® 660 stores hundreds of times its weight in water. On demand, as soil conditions turn dry, nutrient-rich water is released to the plant root zone where it is most needed. STOCKOSORB® 660 helps create constant moisture conditions in the root zone of the plant. It provides a moisture buffer against insufficient rainfall and watering, heat and drought.
Evonik was granted with the Responsible Care Award for trials conducted by Prof. Dr. Chérif Harrouni and Mrs. Sabah Sahri, Institute Agronomique et Vétérinaire Hassan II in the Agadir region in Morocco. STOCKOSORB® 660 application significantly increased the rate of Argan tree seedling survival.
STOCKOSORB® 660 increases the plant available water holding capacity of soils and potting mixes by decreasing the water and nutrient losses due to leaching, evaporation and surface runoff.
In the soil STOCKOSORB® 660 hydrates and stores water, as well as the plant nutrients dissolved in it. Thus STOCKOSORB® 660 acts as a water reservoir providing moisture to plant roots by direct uptake.
Therefore, the soil moisture potential is maximized for a longer period.
One kilogram of STOCKOSORB® 660 (2.2lbs) is able to absorb up to 250 Liter (66 gallons) of demineralized water. All hydrogels are sensitive to salt solutions. More important is the plant available water. STOCKOSORB® 660 was deliberated designed to maximize plant available water.
STOCKOSORB® 660 stores water and plant nutrients. Water which is routinely lost is captured and becomes now available to plants. Thus, the soil moisture content is increased.
3 g (5lbs.) of STOCKOSORB® 660 per liter (cubic Yard) of soil reduces water loss 30-50%. Thus, the time until plants reach the permanent wilting point is prolonged. Through the addition of STOCKOSORB® 660 the properties of a sandy soil, with regard to plant water availability, have changed to such an extent that it is now comparable to a silt loamy soil.
Applied at the recommended dosage rates and homogenously mixed with the soil STOCKOSORB® 660 does not lead to water logging. When STOCKOSORB® 660 is applied, it loosens the soil increasing porosity, maximizing aeration and oxygen supply to the roots, which minimizes root damage due to water logging.
The swelling of the hydrogel during water uptake expands soil volume by increasing porosity thus providing a better environment for root growth. When applied at a rate of 3g/L (5lbs./cubic yard), sandy soil compaction is reduced by 23% where soil pore volume is increased by 41%. Water infiltration and retention is greatly improved while reducing soil erosion by as much as 50%.
STOCKOSORB® 660 undergoes repeated water absorption and release cycles for several years making it a cost effective long term water management tool.
STOCKOSORB® 660 used in landscaping, forestry and agriculture is environmentally sound. In-depth ecotoxicological testing was performed in laboratories certified according to the rules of Good Laboratory Practice (GLP). No evidence for adverse effects of STOCKOSORB® 660 to animals, plants, soil or ground water was obtained. STOCKOSORB® 660 is classified as "inert ingredient" by the US Evironmental Protection Agency EPA under 40 CFR section 180.1001(c).
STOCKOSORB® 660 is degradable and will break down into natural components of carbon dioxide, water and Potassium salts. It is designed to remain active in the soil for 1-3 years.
There are four unique formulations that can be adapted for different
applications. The selection of particle size is determined by soil texture and application method. The powder form is typically used for root dipping and seed coating applications. Micro is used indoors in media and mulch mixes.
Medium is used in a variety of applications, such as media and mulch mixes or granular application equipment like Gandy Boxes, planter insecticide boxes or other similar applicators. Medium can also be used in direct applications through a grain drill in desert type areas with similar sized seed.
XL is used for blending and applying with dry bulk fertilizers.
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