In preparing teaching materials, it is important to have a clear idea about the goals, the skills to be developed in the students and the register of agricultural English. Students have to know that the characteristics of Agricultural English is much different from from General English because it has established phonological, morphological, syntactic and semantic features. It presents the students with a number of special problem. It also presents facts in an objective, direct and unambiguous statements. English, therefore, is necessary in the domain of science. The course taught to students of agriculture should be purpose oriented to understand the written discourse in particular. Students are required to read references in English in the field of their specialization because English has become the accepted international language of science. The demand has been growing for English courses tailored to specific needs.