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Controlling summer weeds is a key strategy to conserving moisture and nutrients across medium to low rainfall cropping zones of Australia. Herbicide and tillage strategies, combating weed varieties, herbicides and adjuvants, and latest spraying technologies are included.
Managing stubble post-harvest is a yearly issue for planning rotation. OFT trials cover issues including stubble breakdown options, cropping sequencing, sowing configurations and associated costs, grazing and weed management strategies.
Over 100 OFT trials cover managing moisture variability, crop rotations that optimise moisture availability, impacts of break and summer crops and nitrogen conservation including timing of fertiliser application.
Soils that suffer from poor infiltration due to structure decline and sodicity can result in significant losses in productivity and decline in plant health. An amendment commonly used to treat such conditions is gypsum (also known as calcium sulfate dehydrate).