1) Science 2) Scientific discipline 
study of agricultural soils
Study of the applied aspects of soil science and management.
[n] - science of soils in relation to crops
agrology 1. The branch of agriculture dealing with the science of soils. 2. The science of agricultural production. 3. Agricultural science that deals with the origin, structure, analysis, classification, etc., of soils, especially in relation to crop production. Cross references of word famil...
noun science of soils in relation to crops
the branch of soil science dealing esp. with the production of crops.