Mainly we use mobile for easy reach to  farmers at romete areas, Theres an application developed to march the time whenever theres need to visit our farmers you only receive an alert in your cellphone that you are  supposit to  visit acertain  area for some reasons as per the scachule  and incase of an emerchance also aprogramed button for farmes once you touch it it relays the masege to all field officers there and there action is taken.