hus·band·ry 
(hŭzbən-drē)
(hŭzbən-drē)n.
1.
a. The act or practice of cultivating crops and breeding and raising livestock; agriculture.
b. The application of scientific principles to agriculture, especially to animal breeding.
2. Careful management or conservation of resources; economy.
[Middle English husbondri, from huseband, husband; see HUSBAND.]