Section 15
Chapter 14,743

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


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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