CheckIT
With CheckIT you can search through photos of nutrient deficiencies, filter them by symptoms, the location of the symptom on the crop, or by the suspected cause of the symptom and then use this to identify the probable deficiency.
Once you have decided on the cause of the deficiency CheckIT gives the further information on how the deficiency affects that crop, what soil types are prone to this type of deficiency and what factors will make a deficiency worse.
CheckIT also gives you a tailored fertiliser recommendation to treat the identified deficiency, as well as alternative products which allow preventive treatment for the following growing season.
CheckIt lets you make an on-the-spot identification of a crop nutrient deficiency, and at the same time give advice and recommendations to correct the deficiency and so improve crop quality and increase yield.
CheckIT is customised with crops and fertiliser recommendations specific for the UK or Ireland, although a few more exotic crops are included for reference. The app should work well in rural locations with low signal strength although if there is no signal product recommendations will be limited.
As a final confirmation of any nutrient deficiency we would always recommend conducting a laboratory analysis of leaf tissue. This is particularly important as there is often more than one deficient nutrient which can lead to confusing symptoms or there may be a hidden deficiency where thee is a loss of crop yield or quality without any visible symptoms.