It is estimated that about 20-40% has experienced degradation in the last several decades, including 70% of freshwater use. To put things into further context, in 1960, arable land worldwide (per capita) was 0.42. It is thought this will be reduced to 0.19 in 2050.

Kansas State soil scientist Dorivar Ruiz Diaz saysfarmers should be aware that that dry conditions in much of Kansas this year could impact their ability to get an accurate soil analysis. For example, a soil’s pH level – a measure of how acidic or basic the soil is – can be misleading depending on the accumulation of solids or hydrogen at the surface.

Purdue University researchers have confirmed the long-held hypothesis that sorghum deters insects from feeding on its leaves by releasing hydrogen cyanide.