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Nutrient Budgeting in Extensive Grazing Systems

Citation

Smith, R and Cotching, WE and Dolbey, BR, Nutrient Budgeting in Extensive Grazing Systems, NRM North, Final Report PL053 (2012) [Contract Report]


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Abstract

Maintaining soil fertility in extensive grazing pastures is an important factor in ensuring that pastures reach their potential in terms of yield and quality. It is currently perceived that many soils under extensive grazing pastures are either deficient in critical nutrients or have nutrient levels above optimum for pasture production. The potential of soil acidification in improved extensive grazing pastures with legume components is also an issue. Furthermore, it is thought that many graziers fail to conduct soil tests prior to applying fertiliser. Observations pertaining to excessively high soil nutrient values are supported by research from the dairy industry, where levels of P, K and S are often above the optimum levels for pasture growth (Burkitt and Coad 2006; Gourley et al. 2010). Nutrient levels have been studied less intensively in pastures used for extensive sheep and beef grazing.

Item Details

Item Type:Contract Report
Research Division:Agricultural and Veterinary Sciences
Research Group:Agriculture, Land and Farm Management
Research Field:Agricultural Land Management
Objective Division:Environment
Objective Group:Soils
Objective Field:Farmland, Arable Cropland and Permanent Cropland Soils
Author:Smith, R (Dr Rowan Smith)
Author:Cotching, WE (Dr Bill Cotching)
Author:Dolbey, BR (Mr Bruce Dolbey)
ID Code:81755
Year Published:2012
Deposited By:Agricultural Science
Deposited On:2013-01-07
Last Modified:2013-02-27
Downloads:4 View Download Statistics

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