Answer: Clay-breakers are chemicals that actually change the structure of the soil. They change the molecular structure so that soil particles will clump together and open up spaces between them so that water and nutrients can flow through and air can enter. Clay soils often have a poor structure. They are often compacted and there is very little in the way of pore space. This means that it is hard for plant roots to push through the soil and they also cannot get the water, food and oxygen they need to grow properly. Digging up the soil, adding gypsum or organic matter and encouraging earthworms may all help to improve the structure of the soil, but where this is not possible, a clay-breaking product is a useful option.
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