Influence of climatic and soil factors on the release of soluble nitrogen and protein from alfalfa (Medicago sativa L.) cultivars

Walgenbach, R. P.

Lucerne Ramsey, Saranac and Deseret were grown at day/night temp. of 18/10 deg , 26/18 deg or 34/26 deg C. Contents of (a) total N, (b) total soluble N and (c) soluble nonprotein N increased in leaves, stems and whole plants with increase in temp. whereas the greatest content of (d) released soluble protein was at 26/18 deg.