Nitrogen dilution curves and nitrogen use efficiency during winter-spring growth of annual ryegrass

For some species, mathematical models have been developed to describe tissue N dilution during crop growth and to estimate the plant N status applying the N nutrition index (NNI), the ratio between the actual tissue N concentration and the tissue N concentration needed to obtain the maximum instanta...

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Veröffentlicht in:	Agronomy journal 2004-05, Vol.96 (3), p.601-607
Hauptverfasser:	Marino, M.A, Mazzanti, A, Assuero, S.G, Gastal, F, Echeverria, H.E, Andrade, F
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural sciences Agronomy. Soil science and plant productions application rate Biological and medical sciences dry matter accumulation equations Fundamental and applied biological sciences. Psychology Life Sciences Lolium multiflorum Nitrogen nitrogen content nitrogen dilution curve nitrogen fertilizers nitrogen metabolism nitrogen nutrition index nutrient use efficiency plant growth spring winter
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