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首页> 外文期刊>Cotton Reseach Journal >Climate Disruptions to Fibre Yield Growth
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Climate Disruptions to Fibre Yield Growth

机译：气候破坏对纤维产量的增长

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摘要

The accelerating rise in atmospheric carbon dioxide (CO), now at 390 ppm and 2 ppm per year, both benefits and restricts cottonfiber yield growth. Benefit derives from the fertilization effect of elevated C0_2 while detriments derive from the climatedisruption of elevated temperature, intensity of rain events, duration of droughts, and depletion of fresh water sources. Decadal graphs of atmospheric CO_2 and textile fiber demand are similar and represent a challenge for the cotton industry to meet the growing global demand during a disrupted climate. Adaptation to elevated CO_2 will be critical as the time to create and extend agricultural innovations are well within the time scale of climate disruption from elevated CO_2. Current examples of beneficial adaptation include: supplemental irrigation; field drainage; no-till and conservation tillage; cropping systems diversification; community pest management; planting date flexibility; risk management policies; planting seed infrastructure; cotton co-products utilization; and farmer expertise Examples of research to further enhance adaptation include: stress tolerance traits and germplasrrv; fiber yield enhancement; nitrogen use efficiency; site specific monitoring and input management;phenotypic breeding for elevated CO_2 environments; and fiber quality innovations. Research and implementation w ill be discussed in the context of both mechanized and traditional cotton production systems.
机译：大气中的二氧化碳（CO）以每年390 ppm和2 ppm的速度迅速增加，既有利又限制了棉纤维产量的增长。收益来自升高的CO 2的施肥作用，而损害则来自升高的温度对气候的破坏，降雨事件的强度，干旱的持续时间以及淡水的消耗。大气中CO_2和纺织纤维需求的十年变化曲线相似，这对棉花行业要在气候中断的情况下满足日益增长的全球需求提出了挑战。适应高CO_2至关重要，因为创建和扩展农业创新的时间恰好在高CO_2造成的气候破坏的时间范围内。有益适应的当前例子包括：补充灌溉;田间排水免耕和保护性耕作;种植系统多样化;社区虫害管理;播种日期的灵活性;风险管理政策;种植种子基础设施;棉花副产品利用;进一步增强适应性的研究实例包括：耐胁迫性状和种质;纤维产量提高;氮素利用效率特定地点的监测和投入管理; CO_2升高环境的表型育种;和纤维质量创新。研究和实施将在机械化和传统棉花生产系统的背景下进行讨论。

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