By Kristen Van Gelder The invention and use of chemical nitrogen fertilizer starting in the early 20th century have led to a phenomenal gain in agricultural output. For example, typical maize yields in the U.S. have risen from 2 tonnes per hectare in the early 1940s to about 11 tonnes per hectare today — a 450% increase that is in …
Strawberry Scent Matters More Than Sugar Content
By Kristen Van Gelder Strawberries are liked for their sweetness, flavor and delicious aroma. Both sweetness and aroma vary among cultivars and are influenced by the environment during growth, harvest and post-harvest storage. Strawberry consumers tend to favor fruit with intense sweetness and a fragrant, fresh and fruity aroma. In contrast, consumers tend to dislike strawberries that are sour and …