An apparatus for determining agricultural relevant information in an agricultural environment, comprising: - an input unit; and - a processing unit; wherein, the input unit is configured to provide the processing unit with at least one image of an agricultural area, wherein the at least one image was acquired by at least one satellite and/or at least one aerial vehicle such that the at least one image was acquired through a substantial depth of the Earth's atmosphere, wherein the at least one image corresponds with at least one area of the agricultural area such that each image of the at least one image corresponds to a different area of the agricultural area; and wherein the at least one image comprises remotely acquired reflectance intensity data relating to a plurality of features on the ground; wherein, an image of the at least one image is of a first area of the agricultural environment; wherein, the input unit is configured to provide the processing unit with at least one sensor data relating to the first area of the agricultural environment, wherein the at least one sensor data was acquired by at least one ground based sensor; wherein, the processing unit is configured to implement a radiation propagation model of the atmosphere that utilizes at least one model parameter, wherein the at least one model parameter comprises at least one atmospheric scattering coefficient; wherein, the processing unit is configured to determine a modified at least one model parameter, wherein the determination comprises utilisation of the radiation propagation model, the remotely acquired reflectance intensity data of the image of the first area and the at least one sensor data relating to the first area; and wherein, the processing unit is configured to determine at least one agricultural relevant information for an examination area of the at least one area, wherein the determination comprises utilization of the radiation propagation model, the modified at least one model parameter and an image of the at least one image that is of the examination area of the at least one area. characterized in that the first image was acquired at substantially the same time as the at least one sensor data, and that the radiation propagation model is a radiative transfer model. - an input unit; and - a processing unit; wherein, the input unit is configured to provide the processing unit with at least one image of an agricultural area, wherein the at least one image was acquired by at least one satellite and/or at least one aerial vehicle such that the at least one image was acquired through a substantial depth of the Earth's atmosphere, wherein the at least one image corresponds with at least one area of the agricultural area such that each image of the at least one image corresponds to a different area of the agricultural area; and wherein the at least one image comprises remotely acquired reflectance intensity data relating to a plurality of features on the ground; wherein, an image of the at least one image is of a first area of the agricultural environment; wherein, the input unit is configured to provide the processing unit with at least one sensor data relating to the first area of the agricultural environment, wherein the at least one sensor data was acquired by at least one ground based sensor; wherein, the processing unit is configured to implement a radiation propagation model of the atmosphere that utilizes at least one model parameter, wherein the at least one model parameter comprises at least one atmospheric scattering coefficient; wherein, the processing unit is configured to determine a modified at least one model parameter, wherein the determination comprises utilisation of the radiation propagation model, the remotely acquired reflectance intensity data of the image of the first area and the at least one sensor data relating to the first area; and wherein, the processing unit is configured to determine at least one agricultural relevant information for an examination area of the at least one area, wherein the determination comprises utilization of the radiation propagation model, the modified at least one model parameter and an image of the at least one image that is of the examination area of the at least one area. characterized in that the first image was acquired at substantially the same time as the at least one sensor data, and that the radiation propagation model is a radiative transfer model.