Black Grit 18kg

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Free shipping for all orders over $150

***Black Grit 18kg cannot be sent to QLD, NT & WA unless postage costs are covered in addition to any other items when ordering.

Smaller sizes are available for shipping to QLD, NT & WA with free postage over $150. Orders that do not include postage at checkout when ordering Black Grit 18kg will automatically be cancelled.

Please note that the $150 free shipping does not apply to WA, QLD & NT on this item. Please find postage costs in your CART under ‘Estimate Shipping and Taxes’.

Due to the size and weight of this item, any orders placed with other items along with this product will be sent in multiple parcels. Both parcels can be tracked with the 1 tracking number provided when items have been despatched.

Strictly only 1 Unit Per Order.

Corn image was taken 22nd Dec same day                                  Corn image taken 28th Dec

the Black Grit was applied

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Soil Health, Fertility and Sustainability

Black Grit is a fused calcium magnesium silicate phosphate soil amendment/fertilizer that has been used successfully around the world for the last century in low fertility acid soils where it increases pH and CEC (Cation Exchange Capacity) and provides and helps unlock P in the soil.

Black Grit provides soil amendment and fertilizer together in ONE application to acid soils. It assists in increasing ph to a sustainable level whilst providing useful amounts of macroelements Ca, Mg, Si, and P as well as a range of micronutrients. It is not water-soluble therefore does not leach or wash away.

Black Grit is made from naturally occurring minerals not chemically treated. It works with the natural soil chemistry to digest soil acid as well as providing minerals in a plant-available form. It is high in plant available calcium (24%), magnesium (10%) silicon (11%), and phosphorus (8%) and also acts as an alternative to lime.

Black Grit can be used as a starter in a crop or broadcast over pasture at any time of the year.

It has taken decades in some cases for soils to deteriorate, change also takes some time, but the sooner Black Grit is applied the sooner it can get to work in the soil. Typically, within 24 hours of application with some moisture Black Grit will start to digest soil acid and provide macronutrients to the plant.

Simply sprinkle 40g p/m2 around the garden and water in.

1kg of Black Grit will treat up to 20m2 garden.

Apply Black Grit every 3-6 months

Trials:

Samples were grown with and without Black Grit.

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