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The efficiency of plant and or soil analysis in the diagnosis of the nitrogen nutritional status of rice plants grown under controlled conditions



The efficiency of plant and or soil analysis in the diagnosis of the nitrogen nutritional status of rice plants grown under controlled conditions



Cultivos Tropicales 8(2): 31-39



Rice plants were grown in pots and given 0, 40, 80, 120 or 160 kg N/ha. 80 days after germination soil N was determined using 5 methods. Correlations between soil N, N uptake by the plant and vegetative growth were studied. N fertilizer increased plant growth at rates of up to 120 kg/ha. Of the plant parts sampled, the petiole was thought to give the best indication of the whole plant N status.

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Accession: 001708194

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