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Over the years there has been a steady decline in the general performance of our pastures and crops, and this has been caused by a progressive decline in soil fertility (nutritional concentration and balance). For example, it has been said that many pastures are achieving only around 20% of their potential.  

This has been brought about by years of misuse of fertilisers, and otherwise general neglect of what needs to happen to look after our greatest asset; our soil.  

It is not hard to see the tell tale signs that things are not right in the paddock;  e.g.

	Yields not what they used to be
	Increased phosphorous fertilizer makes no real difference to yields
	Uneven growth across the paddock
	Unproductive ‘patches’ starting to show up
	Increase in certain unwanted weeds
	Animals aren’t doing quite as well on the paddock
	Decline in vegetation

The main problems are soil acidification and soil salinity, with soil acidification by far the most major and often overlooked problem in Australia today. 

How major? It has been estimated that there is up to 10 times more land affected by acidification than salinity, and this could require upwards of 60 million tonnes of lime to ‘correct’ the problem across Australia.