Field Variability Assessment Tool

变异性评估工具是一个具有成本效益的在线工具，它利用卫星地球观测（EO）图像来突出显示田间作物的变异性。通常，田间变异可能是由田间的长期基本特性（例如：土壤类型、地形、地貌、暴露）、中等长度的可管理特性（例如，营养水平，土壤结构），以及季节性不可控因素（例如，气候、天气事件、虫害）。变异性的管理是复杂的，因为这些因素中的许多因素以不同的方式相互影响，从而产生总体产量变异性。真正的变异性管理需要确定一个领域的不同关键因素，然后采取适当的管理策略，以尽量减少对产量的影响。该项目将使英国各地的农民能够就他们对精准农业技术和服务的投资做出更明智的决定。它力求让所有农民有机会体验使用地球观测卫星图像的好处，并消除农业部门使用这一技术的神秘性，而无需承担大量投资的风险。

The Variability Assessment Tool is an cost efficient online tool that exploits the use of satellite Earth Observation (EO) imagery to highlight field crop variability.Typically field variance can be caused by long-term fundamental properties of the field (eg. soil types, terrain, topography, exposure), mid-length manageable properties (eg. nutrient levels, soil structure), and in-season uncontrollable factors (eg. climate, weather events, infestation). Management of variability is complex because many of these factors affect each other in different ways to create an overall yield variability. True variability management requires the identification of the different key factors in a field, and then an appropriate management strategy to minimise the effect on yields. This project will enable farmers across the UK to make smarter decisions about their investment in precision farming technology and services. It seeks to give all farmers a chance to experience the benefit of using EO imagery and demystify the use of this technology within the agricultural sector without the risk of heavy investment.