Nitrogen recovery from low-emmision applied dairy slurry by three forage grasses: a long-term trial

S. Bittman, D. Hunt, J.J. Schroder

Research output: Chapter in Book/Report/Conference proceedingAbstractAcademic

Abstract

Efficient use of manure N is important economically and because unused N is lost to the environment. Measures that reduce N losses but do not result in greater crop N uptake will increase alternate loss pathways. Manure N efficiency can be evaluated best in steadystate long-term trials in which the recovery of both the new and legacy N is determined. There have been few long term trials on slurry manure in which low-emission applicators have been used and responses of different grasses to manure and fertilizer is not well known. This long-term study compares recovery of N from surface-banded dairy slurry and fertilizer by three perennial grasses: perennial ryegrass (Lolium perenne L.), orchardgrass (Dactylis glomerata L.) and tall fescue (Festuca arundinacea Schreb.).
Original languageEnglish
Title of host publicationProceedings 18th N Workshop The Nitrogen Challenge: building a blue print for nitrogen use efficiency and food security
EditorsC. Cordovil
PublisherISA-CEER (Instituto Superior de Agronomia Technical University) & INIAV (Instituto Nacional de Investigacao Agricola e Veterinaria)
Pages259-260
Publication statusPublished - 2014
Event18th N Workshop The Nitrogen Challenge, Lisboa, Portugal -
Duration: 30 Jun 20143 Jul 2014

Workshop

Workshop18th N Workshop The Nitrogen Challenge, Lisboa, Portugal
Period30/06/143/07/14

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