Super Absorbent Polymer for Agriculture – Not Sodium SAP!

Super absorbent polymer

It is a functional polymer with good water absorption and water holding capacity.

We can use it to absorb, retain, or block liquid–it can absorb water up to several hundred times of its own weight and turn into the natural gel from within seconds.

As an environmental protection material, it is totally non-toxic, harmless, and nonpolluting.

Super absorbent polymer for agriculture

super absorbent polymer for agriculture

The type of super absorbent polymer for agriculture is Polyacrylate Polyacrylate – NOT Sodium Polyacrylate.

Potassium polyacrylate can be widely used in agriculture, forestry, and gardening, such as soil water retention agents, seed coating, soil-less cultivation, artificial turf, etc.

-Improve seed germination and emergence to give plants an early, healthy start.

-Save the irrigation, increase crops and fruit yield.

-Release the fertilizer efficiency slowly

-It contains Potassium, Phosphorus Nitrogen.

Sodium polyacrylate VS Potassium polyacrylate

Due to the difference in chemical composition and production process, the two types of SAP products are very different.

Let’s talk about the difference in detail from multiple dimensions:

  • Sodium polyacrylate: [−CH2−CH(CO2Na)−]n.
  • Potassium polyacrylate: [−CH2−CH(CO2K)−]n

Product use

Potassium polyacrylate: Used in agriculture as a soil water retention agent.

Sodium polyacrylate: Applied to all aspects of life (90% used in paper diapers production as the absorption material).


Generally speaking, the price of potassium polyacrylate is about 2.5-3 times that of sodium polyacrylate.

Such a huge difference in price comes from the difference in production capacity between the two: The market demand for potassium polyacrylate, which is only used for agriculture, is far less than that of sodium polyacrylate, which is used in all aspects.

*PS: The price gap between the two causes many unscrupulous sellers to use sodium polyacrylate as a water-retaining agent for sales. These sodium polyacrylates not only fail to maintain basic water retention but also cause soil salinization.

Product Test

Water Holding Capacity Test

Potassium Polyacrylate Test

Laboratory Test ( wilting point )

Potassium Polyacrylate Test 02

Uses in Agriculture

Common plants and crops

potassium polyacrylate for Common plants and crops

15 to 30 kg per acre dosage, along with seeds hole application or ditch application to the soil around the seed, the seed germination rate can effectively improve and promote seedling growth. Gets success planting corn in the U.S, pature in arid area of Inner Mongolia, potatoes grown in Cape Verde Africa, and melon yield increase more than 70%.

Seed coating

potassium polyacrylate for Seed coating

Seed coating use SAP should be fine particle size of 0.3 mm or less, after SAP coating the seed emergence quickly, strong and good disease resistance, this is the easily available way use SAP to plants in a drought area, which also with small quantity, low cost and good performance.

Gardening, Horticulture, and landscape

potassium polyacrylate for Gardening, Horticulture and landscape

SAP is ideal for mixing soil matrix, for indoor and outdoor pots, planters, window boxes, balconies, terraces, roofs, hanging, gardens, and city landscape. Planting shrubs, flowers, grass, vegetables are available. Using SAP can bring water-saving, labor-saving, time-saving benefits and reduce the drought or wilting risk caused by a long time no watering the plants, longer the green time, and the blossom period.

Lawn and Golf course

potassium polyacrylate for Lawn and Golf course

Application in golf and lawn can save about 50%-70% water, Reduce the cost of maintenance, Save about 30%-50% fertilizer. Lawn grows faster, healthier, and the green lasts longer, less pollution caused by the loss of fertilizer.


potassium polyacrylate for Trees

Using 10-20g SAP can double the survival rate of young trees when planting tree seedlings (bare root).

For adult deciduous fruit trees, put SAP with organic fertilizer, taken with a ring groove or furrow in the root area. The dosage is upon the soil condition, tree size, and the ditching situation should generally be 0.3% of the backfill soil and fertilizer.

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