Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/15269
Title: Managing Legume and Fertiliser N for Northern Grains Cropping
Contributor(s): Herridge, David  (author)orcid 
Publication Date: 2011
Handle Link: https://hdl.handle.net/1959.11/15269
Abstract: The purpose for writing this manual was twofold. First, it was to provide an update of current information on fertiliser and legume nitrogen (N) in broadacre cropping in Australia's northern grains region, with particular emphasis on the legume N. Second, the manual was written to provide instructions, underpinning technical information and background science for 'NBudget' - the Excel-based calculator for estimating the fertiliser N requirements of cereal and oilseed crops and dinitrogen (N₂) fixation by legumes. The manual's target audience is likely to be the private and government agronomists, consultants and advisers who work with farmers to make decisions about N, rather than the farmers themselves. The manual may also provide useful material for tertiary-level education and training. ... Why focus on N? Plant-available (mineral) N is a major driver of agricultural productivity and profitability. Nitrogen is a component of chlorophyll, the green pigment found in almost all plants. It is responsible for photosynthesis in which carbon from carbon dioxide in the atmosphere is fixed by the plant into sugars in the presence of sunlight. Photosynthesis is the source of almost all of the energy for animal and human life. When plants are N-deficient they lack chlorophyll (termed chlorotic), appear yellow and are unthrifty. For grain crops, N deficiency means reduced yield and low grain proteins.
Publication Type: Book
Publisher: Grains Research and Development Corporation
Place of Publication: Canberra, Australia
ISBN: 9781921779336
Field of Research (FOR): 070302 Agronomy
070103 Agricultural Production Systems Simulation
070306 Crop and Pasture Nutrition
HERDC Category Description: A1 Authored Book - Scholarly
Other Links: http://www.grdc.com.au/uploads/documents/Managing-N-for-Northern-Grains-Cropping.pdf
http://trove.nla.gov.au/version/197184754
Extent of Pages: 87
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Views: 209
Downloads: 2
Appears in Collections:Book
School of Environmental and Rural Science

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