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The uptake of nitrogen by wheat, its agronomic efficiency and their relationship to soil and fertilizer nitrogen


, : The uptake of nitrogen by wheat, its agronomic efficiency and their relationship to soil and fertilizer nitrogen. Australian Journal of Agricultural Research 44(6): 1245-1258

N uptake by wheat from both soil and fertilizer, and the efficiencies of fertilizer N (up to 116 kg/ha) for increasing grain yield and protein content, were measured in 53 wheat fertilizer experiments during 1985-89 on the NW slopes and plains of New South Wales. There was a highly significant and common relationship between N uptake in unfertilized wheat (tops and grain) and soil nitrate to 90 cm depth for 4 of the 5 years of the study.

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Accession: 002530006

DOI: 10.1071/AR9931245

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