Sentence:  The future of civilization, and of the human race, will be largely determined by the <WSD>agrology</WSD> of the present and the immediate future. 
Meaning of the word marked with <WSD> tags:  A subdiscipline of agronomy (the science of utilizing animals, plants, and soils) and of soil science which addresses the influence of edaphic (soil-related) conditions on crop production for optimizing it. (from mid 19th c.)