Farmer: Agricultural techniques such as crop rotation that do not use commercial products may solve agricultural problems at least as well as any technique, such as pesticide application, that does use such products  Nonetheless, no private for-profit corporation will sponsor research that is unlikely to lead to marketable products
Thus, for the most part, only government-sponsored research investigates agricultural techniques that do not use commercial products
Most if not all government-sponsored agricultural research investigates agricultural techniques that do not use commercial products.