The surprising power of chicken manure

Each year, American farmers raise billions of chickens, more than enough for a "chicken for every pot," as Herbert Hoover's campaign once promised.

Manure improves soil and microbe community

In the dry air and soil of Texas' Southern High Plains, improving soil health can be tough. We usually think of healthy soil as moist and loose with lots of organic matter. But this can be hard to achieve in this arid area ...

Ghosts of past pesticide use can haunt organic farms for decades

Although the use of pesticides in agriculture is increasing, some farms have transitioned to organic practices and avoid applying them. But it's uncertain whether chemicals applied to land decades ago can continue to influence ...

Researchers measure photosynthesis from space

As most of us learned in school, plants use sunlight to synthesize carbon dioxide (CO2) and water into carbohydrates in a process called photosynthesis. But nature's "factories" don't just provide us with food—they also ...

Crops grown in Bangalore high on toxic heavy metals

Scientists in Bangalore, India have found toxic levels of four heavy metals, chromium, nickel, cadmium and lead, in crops and vegetables grown on soil irrigated with water from six lakes in the city, reports a study published ...

Best farming practices for soil health vary by region

Farmers can use a variety of practices to keep their soils healthy. Some of these practices include not tilling the land, planting cover crops between growing seasons and rotating the type of crop grown on each field.

page 1 from 10