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Satellite-based benchmarking of yield and water use of perennial fruit crops in South Eastern Australia

机译：澳大利亚东南部多年生水果作物产量和水分利用卫星基础基准

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摘要

Benchmarking methods aim to identify best management practices by allowing producers to rank and compare on-farm yield and water use outcomes. We sought to develop a satellite-based biophysical approach to the benchmarking of yield and water use to overcome existing limitations on sample size, and to account for effects of vegetation cover and weather on observed yield and irrigation water use. Field-based measures of crop water supply (irrigation + rainfall) were compared with satellite-based estimates of crop water requirement of 57 pome- and stone-fruit crops in the Shepparton Irrigation Region, and 17 nut crops in the Sunraysia Irrigation Region of South Eastern Australia. Satellite-based estimates of crop water requirement closely matched cropwater supply in most crops in 2011/12 irrigation season. Otherwise, actual water supply to crops exceeded satellite estimates of crop water requirement in both regions. Relatively few measures of crop yield matched estimates of potential yield based on radiation interception. The above results demonstrate that satellite-based data can be used to benchmark yield and water use in pome- and stone-fruit and nut crops.
机译：基准方法旨在通过允许生产者排名和比较农场产量和水分使用结果来确定最佳管理实践。我们试图开发一种基于卫星的生物物理方法，以获得产量和用水的基准，以克服对样品大小的现有限制，并考虑植被覆盖和天气对观察到的产量和灌溉用水的影响。将基于现场作物供水（灌溉+降雨）的措施与谢蓬灌区57个Pome-果实作物的作物水需求的卫星估计进行了比较，南日日日日日日日灌溉区澳大利亚东部。基于卫星的作物水需求估计在2011 / 12/12灌溉季节大多数作物中的作物供应紧密匹配。否则，对农作物的实际供水超过了两个地区的作物需求的卫星估算。基于辐射拦截的潜在产量差异相对较少的作物产量匹配。上述结果表明，基于卫星的数据可用于基础和石材和螺母作物中的基准率和用水。

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  • 来源
    《Acta Horticulturae》 |2016年第1112期|共6页
  • 作者

    M. OConnell; D. Whitfield; A. McAllister; L. McClymont; M. Abuzar; K. Sheffield;

  • 作者单位

    Department of Environment and Primary Industries Tatura Victoria 3616 Australia;

    Department of Environment and Primary Industries Tatura Victoria 3616 Australia;

    Department of Environment and Primary Industries Tatura Victoria 3616 Australia;

    Department of Environment and Primary Industries Tatura Victoria 3616 Australia;

    Department of Environment and Primary Industries Parkville Victoria 3502 Australia;

    Department of Environment and Primary Industries Parkville Victoria 3502 Australia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 园艺;
  • 关键词

    apricot; apple; pear; peach; nectarine; almond; NDVI; CIS; water productivity;

    机译：杏;苹果;梨;桃子;桃子;油桃;杏仁;ndvi;顺式;水生产率;

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