Readily available-nitrogenDefinition Readily available nitrogen (i.e. ammonium-N, nitrate-N and uric acid-N) is the nitrogen that is potentially available for rapid crop uptake. For example, livestock slurries and poultry manures are ‘high’ in readily available-N compared with farmyard manure which is ‘low’ in readily available-N. [Source = Anon. (2010). Fertiliser Recommendations for Agricultural and Horticultural Crops Reference book 209 (eighth edition). The Stationery office, Norwich, UK.] Preferred Units: N/A Scope Note: N/A This term is used for the following terms: N/A Approved Date 11-Jul-2016 Click here to give feedback on this term or suggest an update. |