sa composters faq's; continued

Do I need to add fertiliser as well as compost? 

Yes. The compost will supply some nutrients and improve biological activity for the longer term, but fertilizer (preferably organic!) containing plenty of Nitrogen and some Phosphorus is required. Liquids such as fish emulsion are great for boosting plants via foliar feeding.

What pH is it?  

pH ranges from 7.5 to 8.5. Compost pH is dependent upon many factors, especially activity: the slightest traces of ammonia will greatly elevate pH. Our compost is relatively low in total lime content so effect on soil pH will be small. Compost greatly improves a plant's ability to grow in wider ranges of pH.  When lower pH is required for acid loving plants, then sulphur can be applied in small quantities.

Should I cover the compost with mulch?  

The more mulch piled on, the greater the moisture retention. Compost can be complimented with pea straw and other light coloured mulches in the summer.  Most gardeners prefer the dark appearance of the compost: they just mulch with compost!

How do we control weeds in the garden?  

Mulching is one method of reducing weeds: simply smothering small weeds with compost is effective for a small period of time.  As they return, regular shallow cultivation prevents weeds growing large enough to compete with your plants.  This method is great for annual flowerbeds and vegetable gardens.  After each cultivation your garden looks freshly composted.

Why doesn't the compost we make at home look like SA Composters compost?  

Commercially manufactured compost is screened through 7mm stainless steel mesh.  This ensures a uniformly textured and well aerated product.  Any coarse woody material is removed by this process and either re-composted or sold separately as a coarse mulch.

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