However, research shows this does not usually affect crop yields if good direct seeding practices are followed. Factors affecting spring soil temperatures, soil temperature and crop growth, and establishing a healthy crop stand are discussed. Direct seeding crops into standing stubble can enhance soil quality and moisture conservation by reducing the detrimental effects of tillage on soil. This factsheet describes the benefits of direct seeding in relation to increased water infiltration, increased seedbed moisture, enhanced soil organic matter and better soil erosion control. This factsheet outlines the changes that tend to occur and how to adjust soil fertility management practices to respond to any changes.
Weeds can be highly competitive if they establish before the crop.
You can switch the advantage to the crop by controlling weeds before seeding. This factsheet describes the herbicides needed, weeds controlled and appropriate timing for pre-seeding weed control in direct seeding systems. Winter annual weeds can be effectively and cheaply controlled in direct seeding systems. This factsheet explains what winter annuals are, strategies for control and herbicide options. The extent and type of perennial weeds in direct seeded fields will depend on crop types, tillage practices, herbicides used, weed seed bank and potential infestations from outside sources.