Indicator 2 – yellowing pastures
Meat & Livestock Australia April 3, 2020
What do you see and when?
- Yellowing or pale green colour in pastures
- Seen in late winter to spring.
What could this indicate?
- Deficiency in potassium, nitrogen or sulphur or trace elements such as molybdenum
- Waterlogging, resulting in transient nitrogen loss.
- Maturing or flowering winter grass (Poa annua)
- Dying plants caused by red-headed cockchafer pruning plant roots.
What test can I do to confirm?
- Soil test, with reference to phosphorus, potassium and sulphur. Tissue test for micronutrients, with attention to molybdenum.
- Abundance of low fertility weeds and absence of high fertility weeds.
- Test strips of nitrogen and / or potassium, sulphur and molybdenum fertiliser.
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