The mining industry, for instance, demanded experts in mineralogy and civil engineering; the development of animal husbandry meant higher salaries and more job opportunities for veterinarians; and the growth of agriculture increased the quantity and quality of research in plant diseases and crop blight prevention.
譬如礦產開發，需要探礦、冶金各方面的人才；畜牧業的發達，使獸醫就業機會多、薪水高，願投入的人才多，動物醫療研究因此成績斐然；農業的推展，使植病系對作物抗病的研究量多質高。