Post-emergence harrowing generally results in low selectivity, which is the ratio between weed control and crop injury. Many organic growers have suggested that selectivity of postemergence harrowing ...

Can post-emergence harrowing be used to reduce these problems? Harrowing after seeding but before the crop emerges can be useful if weeds emerge before the crop. A rod weeder, cable weeder or flexible ...

The Odysseus spacecraft has dispatched new images it captured of the lunar surface during the lander’s harrowing approach ... Odysseus tripped on the lunar soil and landed on its side, resting ...