A geoposition is determined at a point using a geoposition determining mobile communication device. A crop management zone is identified based on one or more predetermined crop management boundaries and the geoposition of the point. Information about the field is wirelessly communicated between the geoposition determining mobile communications device and a remote site. Analysis may be performed at the remote site with the results of the analysis communicated to the mobile communication device at the growing point. Information may be collected at the point which is stored or analyzed at the remote site. Information may include digital images of plant conditions which may be analyzed to determine conditions such as disease or pest infestation. Contextual information from a number of different types of sources may be used to provide meaningful analysis and feedback to the producer. The producer may define crop management zones using the geoposition determining mobile communication device.