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Efficiency of N uptake by wheat, as affected by time and rate of application, using N15-labelled ammonium sulphate and sodium nitrate

✍ Scribed by Abdul Hamid


Publisher
Springer
Year
1972
Tongue
English
Weight
250 KB
Volume
37
Category
Article
ISSN
0032-079X

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A new 15N technique (termed the negative discard method) for measuring recovery of foliar-applied N by crops in the field is described. '5N-labelled fertiliser solution is sprayed on to a small area of crop, using a hand sprayer, while the surrounding area is sprayed with unlabelled N at the same ra