Soil acidity: High rates of lime without incorporating aren’t working.
ENERGY AND EAGERNESS IN AUSTRALIAN AG
With a good season under our belts, the Australian ag industry, continues to look for ways to improve, grow and sustain the productivity of our assets, whether these be our people, our soils, our machinery, our livestock or our crops. Positivity in Australian agriculture is at an all time high, it has created an energy and eagerness to not rest on our laurels, but to continue this trend, to research, to innovate and to refine techniques and systems that return the most profit. In my opinion our soils are the most fundamental asset for agricultural productivity in this country and one that we need to continue to nurture and research. We are blessed to have the vast range of productive soils and techniques to farm them. Given
the importance of soil health, recent research results from trials undertaken by the NSW DPI about soil acidification and stratification, has piqued my interest. The research indicates we need to have a mind shift in how we manage acidic soils to ensure: • Improved sustainability of our soils • Maximum crop and pasture growth • Improved yields in dry years “Instead of targeting the severely acidic soils you should be liming the moderately and slightly acidic soils – don’t forget about them. Remediation early, before they become acidic is a better way to go”, commented Helen Burns, Agronomist, NSW DPI.
You can purchase the full research report here, it’s well worth a read – The extent, significance and amelioration of subsurface acidity in southern NSW. (www.publish.csiro.au/sr/SR20079) Bill Larsen Sales & Marketing Manager K-Line Agriculture
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