Agricultural Production Animal Manure Management

Land Application

With increasing regulations, the livestock producer needs to understand the scientific principles that affect manure transformations and how to use these principles to manage the manure for maximum fertilizer value with minimal environmental impact. Improved land application of manure is one part of the solution, but we suggest that the producer evaluate the quantity of nutrients arriving on the farm as feed, animals, and fertilizer compared to the total that is exported.

Manure Management Strategies for Limiting Antibiotic Runoff

It is important that farmers and agriculturalists to implement practices to reduce the runoff of antibiotics. This article helps recognize existing conservation practices one has already implemented that are limiting these risks and additional options that may be considered.

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Broiler Chicken Manure: A Fertility Resource for Nebraska

Author: M. Benjamin Samuelson, Agronomy graduate student, University of Nebraska-Lincoln

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Composted cattle manure is NOT detrimental to sugar beet production

In sugar beet production, most farmers do not have an option of manure as an alternative N source since N availability from manure can occur too late in the season and affect sugar quality. Composted cattle manure as different as it is from fresh manure might be a viable alternative N source for sugar beet production.

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Manure Reduces Nitrate Losses to Water in Iowa Study

Iowa State University researchers concluded from a long-term field study that poultry manure, when applied at a rate to meet the crop nitrogen (N) requirements, can reduce nitrate loss and achieve equal or better yields in corn soybean production systems. While this research focused on nitrate (NO­3-N) loss by field-tile drains (typically placed 3 to 6 feet deep), similar trends would be anticipated in Nebraska for nitrate leaching below the crop root zone and the eventual impacts on surface and ground water quality.

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Manure Applications Prior to Planting

Spring manure applications may provide environmental and crop production advantages compared to fall manure applications. These benefits include reduced nitrogen leaching, increased crop yields, and higher phosphorus and potassium nutrient soil storage.

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