Novel in-soil nutrient sensors

新型土壤养分传感器

• 批准号: BB/L004305/1
• 负责人: Tony Miller
• 金额: $ 15.92万
• 依托单位: John Innes Centre
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2013
• 资助国家: 英国
• 起止时间: 2013 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=BB%2FL004305%2F1
• 关键词: Novel; soil; nutrient; sensors

Efficient agriculture requires the targeting of fertilizer applications throughout the year when it is needed by the crop to achieve maximum yields. For nitrogen, if too much is applied at the wrong time then it can be lost to the atmosphere or leached in drainage water before it can be accessed by roots. Crop measurements can be useful indicators of the plant's nutritional status, but when a deficiency is detected by these methods it is already too late to adjust inputs and a sub-maximal yield will result. Earlier and more accurate methods of measuring soil nutrient availability are needed to maintain an optimal supply to crops and minimise the amount lost to the environment. A new type of soil nutrient sensor has been developed and this funding is requested to rigorously field test the system and compare it with current methods. Other uses of the technology will also be tested, including the feasibility of using it to measure other important crop nutrients in the soil.

高效农业需要在作物需要时全年施肥，以实现最大产量。对于氮，如果在错误的时间施用过多，那么它可能会在根部吸收之前就流失到大气中或浸入排水中。作物测量可以作为植物营养状况的有用指标，但是当通过这些方法检测到营养缺乏时，调整投入已经为时已晚，并且会导致产量低于最大。需要更早、更准确的方法来测量土壤养分有效性，以维持作物的最佳供应并最大限度地减少环境损失。一种新型土壤养分传感器已经开发出来，需要这笔资金来对该系统进行严格的现场测试并将其与当前的方法进行比较。该技术的其他用途也将得到测试，包括使用它来测量土壤中其他重要作物养分的可行性。

项目成果

Quantifying the impact of microbes on soil structural development and behaviour in wet soils

• DOI: 10.1016/j.soilbio.2014.03.009
• 发表时间: 2014-07-01
• 期刊: SOIL BIOLOGY & BIOCHEMISTRY
• 影响因子: 9.7
• 作者: Helliwell, J. R.;Miller, A. J.;Sturrock, C. J.
• 通讯作者: Sturrock, C. J.