Content tagged "phosphorus"

Nitrogen and Phosphorus Cycling Efficiency in US Food Supply Chains – A National Mass-Balance Approach

Animal Manure Management Updated: May 15, 2017

Assessing and improving the sustainability of livestock production systems is essential to secure future food production. Crop-livestock production systems...

Assessment of Condensed Distillers Solubles (CDS) and Wet Distillers Grains (WDG) as Sources of Phosphorus Fertilizer for Corn and Wheat

Animal Manure Management Updated: May 10, 2017

Some farmers in North Dakota are showing growing interest in applying coproducts from ethanol production, as sources of nutrients for crop production,...

Phosphorus Recovery from Anaerobic Swine Lagoon Sludge Using the Quick Wash Process

Animal Manure Management Updated: May 10, 2017

Long term and significant accumulation of sludge in anaerobic swine lagoons reduces its storage volume and ability to treat waste. Usually, excess...

Nutrient Cycling in Horse Pastures

Animal Manure Management Updated: May 05, 2017

This presentation will review the existing multi-species literature on nutrient cycling and how it is affected by the horse’s diet and rotational...

Mobile Struvite System for Nutrient Extraction from Dairy Manure

Animal Manure Management Updated: March 21, 2017

Use of dairy manure as the sole source of nitrogen can lead to increased amounts of P in soil. In addition, P reserves around the world are finite and...

Cultivation of Duckweed on Anaerobically Digested Dairy Manure for Nitrogen and Phosphorus Removal

Animal Manure Management Updated: March 21, 2017

The purpose of this research included identifying the optimum cultivation conditions of five different strains of duckweed while evaluating the nutrient...

BFNMP$: A Tool for Estimating Feedlot Manure Economics

Animal Manure Management Updated: October 09, 2015

Waste to Worth home | More proceedings....The Beef Feed Nutrient Management Planning Economics (BFNMP$) computer program can assist producers in...

Nutrient Management Planners' Feedback on New York and Pennsylvania Phosphorus Indices

Animal Manure Management Updated: August 18, 2015

The Phosphorus Index (PI) estimates the relative risk of P loss from agricultural fields and encourages the implementation of best management practices to...

Removing Phosphorus from Drainage Water: The Phosphorus Removal Structure

Animal Manure Management Updated: August 13, 2015

To illustrate a case study design and construction of a phosphorus removal structure on a poultry farm, and to present the basics of how to properly design a...

A Novel Treatment System to Remove Phosphorus from Liquid Wastes

Animal Manure Management Updated: March 18, 2015

Lowering the total phosphorus (P) content of animal manures is one means of addressing concerns over P runoff following land application of animal manure. We...

Nutrient Recovery Technologies—A Primer on Available and Emerging Nitrogen, Phosphorus, and Salt Recovery Approaches, their Performance and Cost

Animal Manure Management Updated: March 17, 2015

This presentation highlights existing and emerging recovery technologies that can be combined with energy recovery from dairy manure. A variety of...

The North American Partnership for Phosphorus Sustainability: Creating a Circular P Economy as Part of a Sustainable Food System

Animal Manure Management Updated: March 16, 2015

To promote and foster the implementation of sustainable P solutions in both the private and public sectorsRecently, a team of Phosphorus researchers...

Analysis of total Carbon, Nitrogen, and Phosphorus Contents in Soil Cores Over 10+ Years from Horicon Marsh in Dodge County, Wisconsin

Animal Manure Management Updated: March 13, 2015

The purpose of this project was to evaluate changes in carbon (C), nitrogen (N), and phosphorus (P) in samples from identical locations taken ten years apart...

The Role of Computer Models in Environmental Phosphorus Management

Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....Computer models are excellent ways to integrate years of scientific research into decision tools that producers and...

Global Supply of Phosphate

Animal Manure Management Updated: November 14, 2013

Waste to Worth home | More proceedings....There has been a great deal of press coverage in the past few years about the supplies and reserves of rock...

Phosphorus Indices: Taking Stock of Where We Are and Where We Need to Be

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....The inconsistency among P Indices in terms of level of detail and scientific underpinnings among states, as well as...

The Arkansas Discovery Farm Program: Connecting Science to the Farm

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....Agriculture in Arkansas is under increasing pressure to manage nutrients and sediment in an environmentally...

What We Feed Dairy Cows Impacts Manure Chemistry and the Environment

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....During the last part of the 20th century, animal manure management became an environmental concern. In response to...

Alternative Poultry Litter Storage for Improved Transportation and Use As a Soil Amendment

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....Transportation of poultry litter out of nutrient limited watersheds such as the Illinois River basin (eastern...

Designing Structures to Remove Phosphorus from Drainage Waters

Animal Manure Management Updated: November 13, 2013

Waste to Worth home | More proceedings....Several groups have developed P removal structures, which are units filled with P sorbing materials and designed to...

The Farm Manure to Energy Initiative: Using Excess Manure to Generate Farm Income in the Chesapeake’s Phosphorus Hotspots

Animal Manure Management Updated: November 07, 2013

Waste to Worth home | More proceedings....Currently, all the Bay states are working to achieve nutrient reduction goals from various pollution sources. ...

What Happens When You Mix Chitosan and Poultry Litter?

Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....The solubility of phosphorus (P) and low nitrogen(N):P ratio of poultry litter present environmental challenges...

Phosphorus Concentrations Have Been Declining In The Illinois River: Was It Point Sources, Farm-Level Nutrient Management, Or What?

Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....Elevated phosphorus concentrations in the Illinois River Watershed (IRW) have long been an environmental issue...

Environmental Protection Agency (EPA) Perspective on Nutrient Pollution

Animal Manure Management Updated: November 06, 2013

Waste to Worth home | More proceedings....Provide EPA’s perspective on nutrient pollution and encourage an open dialogue to help address this problem which...

Environmental Impacts and Benefits of Manure: Phosphorous and Surface Water Protection

Animal Manure Management Updated: July 22, 2013

Managing manure nutrients in an environmentally and economically responsible manner is not a mutually exclusive endeavor. This article discusses phosphorus...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.