Browsing Monitoring, Evaluation & Learning Repository by Subject "15n recovery fraction"

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Title: A comparison of the isotope-dilution and the difference method for estimating fertilizer nitrogen recovery fractions in crops. I. Plant uptake and loss of nitrogen

Author(s)Harmsen, K.

Date: 2009-08-20

Type: Journal Article

Status: Timeless limited access

The apparent recovery fraction (ARF) of applied nitrogen (N) by a crop is calculated as the difference between the total N uptake by crops from fertilized and unfertilized treatments per unit N applied. The 15N recovery ...
Title: A comparison of the isotope-dilution and the difference method for estimating fertilizer nitrogen recovery fractions in crops. III. Experimental

Author(s)Harmsen, K.; Garabet, S.

Date: 2009-08-01

Type: Journal Article

Status: Open access

Fertilizer nitrogen (N) recovery fractions may be calculated by the difference or the isotope-dilution method. With the first method an apparent recovery fraction (ARF) and with the latter method a 15N recovery fraction ...