How long would potassium polyacrylate work in soil ?

Brief introduction

This article is about the lifetime of potassium in soil and how to increase it.

Advantages of potassium polyacrylate

As a water-retaining agent, potassium polyacrylate has a strong water-retaining ability.

To absorb water hundred times its weight and become gel form;

Water gel can release water to plants when it’s drought.

As we know, water is so important for plants. Potassium polyacrylate is just a “mini-reservoir” to keep releasing water to plants so that:

Increase yield of crop & fruiter;

Improve seed germination & emergence, give plants an early, healthy start;

Reduce irrigation frequency;

Release the fertilizer efficiency slowly;

loosen the soil and adjust salinization & PH.

How long would potassium polyacrylate work in soil

Factor One – Soil

Saltiness. Saltiness is a very factor for the life & performance of potassium polyacrylate;

Soil type. It’s better to use potassium polyacrylate in sand soil than clay/silt loam.

Factor Two – Temperature

Extreme weather will reduce the lifetime of potassium polyacrylate. Deep culture is a good way to protect it.

Factory Three – Product quality

Fake type (sodium polyacrylate): less than one week

*Because sodium polyacrylate is much cheaper than potassium polyacrylate, sodium polyacrylate is sold by profiteer as potassium polyacrylate.

Inferior type: 2-4 weeks in soil

Common type: 1-3 months

*As common potassium polyacrylate’s lifetime is a couple of months, it’s important to seize the important period of plants (such as nursery stage, anthesis, fruiting period, etc.)

Improved type (like Pack Rain): 5-8 years

*Pack rain is a type of improved water-retaining agent. It can be workable in the soil for as long as 5-8 years.


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