Section 15
Chapter 14,210

Studies on the nutrition of rice plant (Oriza sativa L.) . V. Comparative effect of ammonium and nitrate nitrogen on growth, yield and nitrogen uptake by rice plant

Tanaka, A.; Patnaik, S.; Abichandani, C.T.

Proc. Indian Acad. Sci 49: 386-396


Accession: 014209588

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In cultures with moderate N level (20 ppm), NH4- and NO3-N were equally effective for N uptake and grain yield but straw yield was higher with NH4-N. With high N supply (100 ppm) NO3-N was superior to NH4-N which restricted root growth and affected N metabolism in the leaf tissue resulting in a greater accumulation of soluble N to protein N.

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