Crop Nutrition

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Tag archive: lime

How soil inversion can turn the tables on soil constraints

Soil constraints stop crops from growing as well as they might. Yields are often lower than expected from paddocks with soil constraints. In Western Australia, some soils are both non-wetting and have subsoil acidity. Soil mixing or inversion can tackle these constraints at the same time. Soil mixing and inversion […]

Do you need lime and potassium? Apply both

trail potassium plots with youtube play button

Large areas of West Australian cropping soils have low potassium (K) reserves. Acidity also constrains most of these soils. ┬áPotassium deficiencies have become more widespread with intensive cropping, removal of hay or stubbles, and K fertiliser inputs lower than removal rates. James Easton is the Field Research Manager with CSBP […]

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. […]

Cultivation boosts fert. response

New research from DAFWA presented at the 2014 GIWA Agribusiness crop updates suggests you may get more bang for your crop nutrition buck if you spend some of the bucks on cultivation and lime. Profit is driven by the cultivation effect on nutrient availability. Deep cultivation gave a yield response […]