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How will soil properties change in NSW?
[Music plays and NSW Government Office of Environment & Heritage logo appears on screen]
[Text appears on screen: How will soil properties change in NSW?]
[Images flash through close up of soil, plants, sun shining on irrigated crop]
Jonathan Gray: Soils are very important to all of us. Soils are the basis of all plant growth on earth.
Climate has a huge impact on soils.
[Image shows Jonathan Gray, NSW Office of Environment and Heritage]
All plants and ecosystems have adapted to particular and often very narrow ranges of soil chemical
properties.
[Image shows group of people testing soil. Image changes back to Jonathan Gray]
And that’s why it is so important that we understand how these soil properties are changing.
[Image shows male testing soil. Image changes back to Jonathan Gray]
The three very important soil properties that we’ve considered in this study are soil organic carbon,
pH and quantity of key macro-nutrients.
[Images flash through male walking through outdoor environment and testing soil, Jonathan Gray,
tractor, rainforest environment]
It is telling us that there are small but potentially very significant changes in many soil properties
across NSW that really have to be considered by our farmers and our managers of our native
reserves.
[Images flash through tractor driving through crops, Jonathan Gray, close up of crops, cows in
paddock]
One of the key changes that farmers need to be aware of is that they may need to alter their
application of fertilisers and conditioners so as to keep the pH or acidity levels at the required level
for their plants in their crops or their pastures.
[Images flash through Jonathan Gray, farmers walking past irrigation system, paddocks, close up of
crops]
The farmers may need to consider diversifying crop or pasture species so as to ensure that those
plants are suited to the changed soil conditions.
[Images flash through aerial views of landscape, national parks worker checking trees]
Managers of native ecosystems need to be aware of potential changes in their floral and faunal
compositions.
Transcribed by: www.transcriberonline.com
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[1m:49s]
[Image shows Jonathan Gray]
They may need to particularly guard against the invasion of unwanted weeds which may come in
under these changed soil conditions.
[NSW Government Office of Environment & Heritage and AdaptNSW logos appear on screen]
Transcribed by: www.transcriberonline.com
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[1m:49s]