2021-04-302021-04-301968-02-01https://dr.lib.iastate.edu/handle/20.500.12876/104851<p>Brief reports on ISU research this month include a study by the agricultural engineering section on cultivation tools and herbicides for weed control in corn; the effect of beef age and marbling on cholesterol; and an egg shell strength tester.</p>articleisulib-bepress-aws-west291721861082farmscience/vol22/iss8/9Agriculture