Tag archive: gypsum
Do you have dispersive soil? Do this test to find out
In dispersive soils, the structure deteriorates when the soil is wet. Dispersive soils are prone to compaction, temporary waterlogging and reduced seedling emergence. None of which are great for cropping. Many soils in south-eastern Australia had naturally dispersive topsoils. These soils are high in sodium (Na) and are also known […]
Can I burn lime and gypsum with stubble?
What happens to gypsum or limestone when stubbles are burnt? Gypsum and limestone are soil amendments – sometimes spread onto paddocks before burning of crop stubble. Stubble or grass fires can affect limestone and gypsum in two ways: chemical changes due to high temperatures, and convective losses as ash rises. […]

