Why Philly’s Streets Department is ending its experiment with leaf blowers Aaron Moselle, WHYY Feb 24, 2020 0 ...

Armed with gas-powered leaf blowers, sanitation workers pushed trash from curb lines into the center of the street. Then mechanical broom trucks came by and sucked it all up. Nearly a year later, the ...

Wax on the surface of a redwood leaf. The white dots are water-resistant plugs in the stomata. Marty Reed, CC BY-ND In dry forests on the southern margins of redwoods’ range, trees have more ...

David A. Grantz12, Daniel Zinsmeister2, Juergen Burkhardt2, Ambient aerosol increases minimum leaf conductance and alters the aperture–flux relationship as stomata respond to vapor pressure deficit ...

Two experiments indicate that abscisic acid (ABA) may influence stomatal behaviour of Commelina communis L. Stomatal conductance could not be correlated with bulk leaf ABA content but when the abaxial ...