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The fate of fertilizer nitrogen applied to paddy fields and its absorption by the rice plant. II. The fate of basal nitrogen in the paddy field

Shoji, S.; Wada, G.; Satto, K.; Et Al

Proceedings of the Crop Science Society of Japan 40(3): 281-286

1971


Accession: 014742886

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Rice plants were treated with 60-70 or 150 kg N/ha as 1SN enriched (NH4)2SO4. Soil NH4-N increased more in the high N treated plots, but in both treatments decreased gradually until there was little left by the end of June. Uptake of fertilizer N was 22-27% and that left in the soil after harvest was 18-21%.

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