News tagged with root zone

A greener way to fertilize nursery crops

A U.S. Department of Agriculture (USDA) scientist has found a "green" alternative to a type of fertilizer additive that is believed to contribute to the accumulation of heavy metals in waterways.

Aug 27, 2012 5 / 5 (1) 1

Using less water to grow more potatoes

Research conducted in part at the U.S. Department of Agriculture (USDA) has confirmed that in some production systems, planting potatoes in flat beds can increase irrigation water use efficiency.

Sep 01, 2011 not rated yet 0

Keeping nitrogen in the soil and out of the water

(PhysOrg.com) -- Nitrogen is important for optimal crop production, but can be lost to leaching as nitrate. High amounts of nitrate in drinking water can be harmful to people, especially infants and pregnant women. While ...

Jun 11, 2010 not rated yet 0

Lost water of the Napa Valley vineyards

Getting the most out of every drop of water is a high priority for grape growers in the southern Napa Valley, where summers are hot and dry and vines have to be irrigated to make it through the growing season. But Stanford ...

Dec 16, 2009 4.3 / 5 (3) 0

When roots lose contact

Plant roots can shrink as a result of water deficit and lose contact with the surrounding soil. This effect has been suspected for a long time, but has only now been demonstrated for a fact with the help of ...

Nov 30, 2009 5 / 5 (1) 0

Golf course putting greens show their age

Just like the rest of us, golf courses show their age -- especially on putting greens, which experience more foot traffic than anywhere else on golf courses. Putting greens, which comprise only about 1.6% of the total area ...

Sep 04, 2009 1 / 5 (1) 0