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Researchers have developed a new, easier way to find the answer to the question, "How much carbon is stored in soil?"

ARS researchers have developed a unique mobile system that assesses and maps out soil carbon to a depth of 30 centimeters (the plow layer) – all in real time.

A novel approach for determining the effectiveness of conservation practices in reducing nitrate losses.

Researchers worked with the Quapaw tribe to create high-resolution digital maps of soil properties for their tribal lands.

Study finds ammonium nitrate had 34% lower yield compared to poultry litter treated with alum.

Pumping groundwater from local aquifers to irrigate crops has increased yields but is steadily reducing the supply of available water for future use.

An ARS research team along with the Southwest Climate Hub in Las Cruces, NM, developed a resource called The Water Adaptation Techniques Atlas.

To support efficient water management, ARS researchers developed an open-source model, pyfao56, for precise crop water management.

Scientists found that fish raised in reused water faced significantly higher mortality rates that those grown in tanks supplied with fresh spring water.

ARS researchers investigated whether vegetative filter strips could remove excess nitrogen from runoff.

A team of researchers and their partners have found another way to conserve water: late planted corn.

A new protocol addresses sources of variability and uncertainty in measuring microbial community composition and its connection with agricultural management and changing climate.

Researchers determined that winter camelina and pennycress are effective in reducing excess nitrogen and preventing its escape from farmland.

A team of ARS and Boyce Thompson Institute researchers in Ithaca, NY, may have found a weak link in the citrus-greening disease cycle.

Farmers can better determine how much or how little nitrogen to apply for optimal crop yields by using "Soil-Test Biological Activity" approach.

Researchers developed state-of-the-art sensors that estimate soil water levels using readings from electromagnetic pulses.

ARS scientists have come up with a game-changing water purification technology to remove nitrogen from wastewater at one-third the cost of existing technologies.

Scientists have saved millions of gallons of water by developing an automated irrigation scheduling system that targets water to where and when it is needed most.

ARS scientists are working with satellite imagery in collaboration with grape growers to improve irrigation water management on vineyards that stretch across thousands of acres.

ARS scientists have shown that anaerobic soil disinfestation is a promising alternative to methyl bromide fumigation.

ARS has developed the LandPKS app to help farmers better monitor their soil and crop conditions to make better decisions about irrigating, weeding, and fertilizing crops.

Reducing tillage timing and frequency on 4 million acres of low-precipitation-zone wheat can save 1.75 million gallons of diesel fuel annually.

ARS, in collaboration with NASA, developed the iSnobal model--a new technology for forecasting water supply derived from melting snow.

The "Haney Test" is an award-winning soil health tool that major soil testing laboratories are quickly adopting to determine optimal soil fertilizer rates.

A new garbage-processing technology reduces the municipal solid waste disposal in landfills and generates a co-product that can be used to reclaim damaged soils.

ARS scientists made significant enhancements to the Soil and Water Assessment Tool.