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Tag archive: acidity

Four ways acid soils affect crop nutrition

Most growers know that major plant nutrients become less available as soil pH decreases. But there are four ways acid soils can affect crop nutrition. Soils are considered strongly acid when the pH is below 5.5. Serious problems are likely when the pH falls below 4.5. 1. Plant roots and […]

New Podcast- Ameliorating your soils to increase nutrient availability

In this episode of GRDC Communities, Tony Cox interviews Mark Gherardi from Summit Fertilizers about the importance of nutrition after amelioration. They discuss methods of combating soil acidity, and the effects of amelioration programs on nutrient availability. Mark describes the range of things growers can do to address soil constraints; […]

Which soil problem should you fix first? Ask ROSA

Western Australian growers with multiple soil constraints can check which one is costing them the most. The WA tool, Ranking Options for Soil Amelioration (ROSA), assesses which soil management options will give the biggest return on investment. WA croppers lose $4.3 billion each year from soil constraints. Most losses are […]

What nutrients are lost when making hay from failed crops?

Cutting for hay is an option to get some economic value from a failed crop. Growers with an eye to the long term productivity of their paddocks weigh the value of the hay against the value of leaving the crop material in the paddock. Nutrients that would otherwise be recycled […]