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      Advances in Conservation Agriculture Volume 3 : Adoption and Spread 

      Conservation Agriculture in Australian dryland cropping and in New Zealand: the lessons of 70 years

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          Australia and New Zealand have seen a rapid adoption rate in Conservation Agriculture in the areas of no-till and stubble retention. The two countries have different stories, and this will be highlighted in this chapter. For Australia crop diversification has not changed substantially, and the balance required between diversification and the variable return of different crops is still a major challenge for farmers, with wheat remaining over half of the national crop. The main changes in tillage practices involved the adoption of narrow tine and disc planters to minimise soil disturbance along with stubble retention, crop rotation and controlled traffic farming have followed suit. Current trends involve an increasing use of GPS technology combined with remote and proximal sensors to more efficiently deliver resources such as fertiliser and chemicals. Precision technology is also being used to reposition the planting row to the inter-row between the standing stubble. Herbicide resistance is becoming an increasing problem. Emerging issues include nutrient stratification, sub-surface acidification and an increase in diseases from stubble retention.

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          Book Chapter
          07 February 2022
          [1 ]Grains Research Development Corporation (Australia)
          [2 ]Cross Slot IP Ltd (New Zealand)
          [3 ]Farmer and Author (Australia)

          TECHNOLOGY & ENGINEERING / Agriculture / Sustainable Agriculture,TECHNOLOGY & ENGINEERING / Agriculture / Agronomy / Crop Science,NATURE / Environmental Conservation & Protection,Agronomy and crop production,Sustainable agriculture,Conservation of the environment,Agronomy & crop production,Sustainable agriculture,Conservation of the environment


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