WATT PoultryUSA - February 2017 - 32

32 ❙ WATTPoultryUSA
NUTRIENT RUNOFF PRACTICES

Figure 2. Runoff is collected from two sets of poultry houses, one with traditional gravel entrance pads (left)
and newly constructed concrete pads (right) which allow cleanup of cleanout spillage.
nutrients, the contribution of agriculture has received increased attention to reduce nutrient losses. This attention
has been fueled by recent modeling efforts and surveys
which suggest agriculture contributes up to 85 percent of
the phosphorus (P) and nitrogen (N) entering the Gulf of
Mexico. However, there have been few farm-scale studies
of phosphorus and nitrogen loss from agriculture in the
Basin, particularly the Lower Mississippi River Basin.

Cost effectiveness of practices to reduce
nutrient runoff

In northwest Arkansas, we are assessing the potential
for nutrient runoff from around poultry broiler production
facilities on three ADFs and one University farm. Here we
are determining the cost effectiveness of several conservation
practices to minimize any nutrient runoff that might occur.
These practices include grassed waterways, berms to redirect
runoff from poultry houses, larger concrete pads at the front
Government, NGOs, poultry
of poultry houses to allow easy cleaning of spilt poultry litter
groups cooperate in ADF
during routine house operations (Figure 2), and by-product
Several state government (Natural Resources
residuals to trap phosphorus on site.
Conservation Service, Arkansas Association of
Generally, three to four sites (fields) are equipped with
Conservation Districts, and Arkansas Natural Resources
monitoring stations, which allow for comparison of the
Commission), nonmanagement of two
profit organizato three scenarios
Read more: Poultry renderer recognized
tions (Nature
to a control. At each
for wastewater reclamation,
Conservancy and
site, state-of-thewww.WATTAgNet.com/articles/28628
Walton Family
art equipment is
Foundation) and proinstalled to measure
ducer groups (Poultry Federation and Arkansas's cotton,
surface runoff and automatically collect runoff (Figure
rice and soybean boards) have combined to support the
3). Samples are brought to the lab within eight hours of
Arkansas Discovery Farm Program.
collection and analyzed for phosphorus (as dissolved and
The ADF program brings these groups working tototal P), nitrogen (as nitrate-N and total N), and suspended
gether to identify on-farm conservation issues and potensolids, following U.S. Environmental Protection Agency
tial solutions to agricultural sustainability challenges. The
methods.
ADF is based on four cornerstones; 1) sound science, 2)
On one farm, surface runoff from around two poultry
unbiased research, 3) stakeholder driven transparency, and
houses is sampled before and after passing through a grassed
4) strong partnerships. Currently there are 11 Discovery
waterway (NRCS Conservation Practice 412 - see https://
Farms operating across Arkansas, as shown in Figure 1.
goo.gl/vmwqo5 ) of approximately 670 feet (200 meters) to
www.WATTAgNet.com ❙ February 2017


http://www.WATTAgNet.com/articles/28628 http://www.goo.gl/vmwqo5 http://www.goo.gl/vmwqo5 http://www.WATTAgNet.com

Table of Contents for the Digital Edition of WATT PoultryUSA - February 2017

Poultry USA - February 2017
Contents
Study shows wheat quality’s impact on broiler performance
Animal ag needs metrics for antimicrobial stewardship
US foundation works to end African poverty with chickens
Cargill ad campaign highlights turkey growers
100TH YEAR SERIES: Seed biotechnology: The impact on animal production
US broiler farms monitor nutrient runoff practices
7 additives to replace antibiotics in US broiler feeds
Product Review
Market Place
Ad Index
WATT PoultryUSA - February 2017 - Poultry USA - February 2017
WATT PoultryUSA - February 2017 - Cover2
WATT PoultryUSA - February 2017 - Contents
WATT PoultryUSA - February 2017 - Animal ag needs metrics for antimicrobial stewardship
WATT PoultryUSA - February 2017 - 3
WATT PoultryUSA - February 2017 - 4
WATT PoultryUSA - February 2017 - 5
WATT PoultryUSA - February 2017 - 6
WATT PoultryUSA - February 2017 - 7
WATT PoultryUSA - February 2017 - US foundation works to end African poverty with chickens
WATT PoultryUSA - February 2017 - 9
WATT PoultryUSA - February 2017 - 10
WATT PoultryUSA - February 2017 - 11
WATT PoultryUSA - February 2017 - 12
WATT PoultryUSA - February 2017 - 13
WATT PoultryUSA - February 2017 - 14
WATT PoultryUSA - February 2017 - 15
WATT PoultryUSA - February 2017 - 16
WATT PoultryUSA - February 2017 - 17
WATT PoultryUSA - February 2017 - Cargill ad campaign highlights turkey growers
WATT PoultryUSA - February 2017 - 19
WATT PoultryUSA - February 2017 - 20
WATT PoultryUSA - February 2017 - 21
WATT PoultryUSA - February 2017 - 22
WATT PoultryUSA - February 2017 - 23
WATT PoultryUSA - February 2017 - 24
WATT PoultryUSA - February 2017 - 25
WATT PoultryUSA - February 2017 - 100TH YEAR SERIES: Seed biotechnology: The impact on animal production
WATT PoultryUSA - February 2017 - CT1
WATT PoultryUSA - February 2017 - CT2
WATT PoultryUSA - February 2017 - 27
WATT PoultryUSA - February 2017 - 28
WATT PoultryUSA - February 2017 - 29
WATT PoultryUSA - February 2017 - US broiler farms monitor nutrient runoff practices
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WATT PoultryUSA - February 2017 - 48
WATT PoultryUSA - February 2017 - 49
WATT PoultryUSA - February 2017 - 7 additives to replace antibiotics in US broiler feeds
WATT PoultryUSA - February 2017 - 51
WATT PoultryUSA - February 2017 - 52
WATT PoultryUSA - February 2017 - 53
WATT PoultryUSA - February 2017 - 54
WATT PoultryUSA - February 2017 - 55
WATT PoultryUSA - February 2017 - 56
WATT PoultryUSA - February 2017 - Product Review
WATT PoultryUSA - February 2017 - 58
WATT PoultryUSA - February 2017 - Market Place
WATT PoultryUSA - February 2017 - Ad Index
WATT PoultryUSA - February 2017 - Cover3
WATT PoultryUSA - February 2017 - Cover4
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